Comparing Top GPU Risers, Mining Rigs, and Complete Systems for Ethereum Crypto Mining

Hey there! Are you interested in getting into cryptocurrency mining? Well, you’ve come to the right place. In this article, we’ll be reviewing and comparing some popular products that can help you get started with Ethereum, Bitcoin, Litecoin, and other crypto mining ventures.

Now, let’s talk a bit about these products and why owning them can be beneficial for your mining endeavors. Over the years, as the popularity of cryptocurrency mining has soared, so has the demand for efficient and reliable hardware. These products, such as the PCI-E Riser Kits and GPU Mining Rigs, have become essential tools for miners looking to optimize their mining operations.

The PCI-E Riser Kits, like the VER009C-PLUS, provide a reliable solution for connecting multiple graphics cards to your mining rig. With features like X1 to X16 support, 8 solid capacitors, blinking status LEDs, and USB 3.0 cables, these kits ensure stable and efficient data transmission, reducing the chances of bottlenecks and enhancing overall performance. On the other hand, GPU Mining Rigs like the SUOHUI Complete Mining Server Case offer a prebuilt solution with 8 GPU slots, a powerful PSU, cooling fans, and additional components like RAM, without the GPUs themselves. This allows you to customize your mining rig according to your specific needs and preferences.

Now let’s dive into the details of each product. We’ll take a closer look at the PCI-E Riser Kits, the top GPUs for Ethereum mining, the GPU Mining Rig Server Case, and the Mining Case designed for easy mounting. We’ll explore their features, benefits, and any limitations they may have. By doing so, we hope to provide you with valuable information to help you make an informed decision about which product suits your mining requirements the best.

So sit back, relax, and let’s explore the world of crypto mining together! Whether you’re a beginner or an experienced miner, we believe you’ll find this article informative and helpful in your quest for profitable mining.

Table of Contents

2 Pack USB 3.0 Riser Kits for Cryptocurrency Mining: Ethereum Bitcoin Litecoin, X1 to X16, with Blinking Status LEDs and 8 Solid Capacitors, VER009C-PLUS

PCI-E Riser Kits for Ethereum Bitcoin Litecoin Crypto Coin Mining, X1 to X16, 8 Solid Capacitors, Blinking Status LEDs, GPU Riser, USB 3.0 Cable, VER009C-PLUS [2 Pack]

The PCI-E Riser Kits for Ethereum Bitcoin Litecoin Crypto Coin Mining are specifically designed for crypto mining, allowing you to connect your GPU to the motherboard and maximize your mining performance.

We highly recommend the PCI-E Riser Kits for crypto mining enthusiasts like you. Here’s why we think this product stands out from the competition:

  1. Excellent Quality: These riser kits are built to last. With 8 high-quality solid capacitors and inductors, they offer superior reliability and stability. Plus, the Anti-Electro Magnetic Interference (EMI) metal shell coating on the PCI-E X16 slot ensures secure data transmission by protecting against outside interference.

  2. Easy Installation: The kit comes with a 24-inch USB 3.0 extension cable for seamless connection between the PCI-E X1 interface and the mounted PCI-E X16 riser. Additionally, the riser is equipped with an intuitive lock and quick-release latch mechanism, making installation and removal of your graphics card hassle-free.

  3. Status LEDs: One of the standout features of these riser kits is the inclusion of status LEDs. These LEDs provide visual indicators to let you know whether the riser is powered on (red LED) and if there is data connectivity (blue LED). This feature is incredibly useful for monitoring the status of your mining rig.

The PCI-E Riser Kits are essential components for setting up a mining rig for popular cryptocurrencies like Ethereum, Bitcoin, and Litecoin. These kits allow you to connect your powerful GPUs to your motherboard, enabling efficient mining operations. Key features of these riser kits include:

  • PCI-E x16 Riser Board: This board acts as an extension for your GPU, giving you the flexibility to mount it away from the motherboard.

  • PCI-E x1 Interface: The interface connects the riser board to the motherboard, ensuring seamless communication between your GPUs and the mining software.

  • Blinking Status LEDs: The riser comes with status LEDs that indicate power status (red LED) and data connectivity (blue LED) for easy monitoring.

  • EMI Protection: The riser’s PCI-E X16 slot is coated with an Anti-Electro Magnetic Interference (EMI) metal shell, providing protection against external interferences and maintaining secure data transmission.

  • Safety & Stability: With 8 high-quality solid capacitors and inductors, these risers offer superior reliability and performance, reducing the risk of equipment failure during mining processes.

See also  Comparing Cryptocurrency Mining Products: Reviews & Insights

When it comes to overall quality, the PCI-E Riser Kits for Ethereum Bitcoin Litecoin Crypto Coin Mining truly excel. With their durable construction, reliable performance, and innovative features like status LEDs and EMI protection, you can trust these kits to provide the stability and efficiency required for successful crypto mining operations.

Pros:

  • Superior build quality with 8 high-quality solid capacitors and inductors
  • Anti-Electro Magnetic Interference (EMI) metal shell protects data transmission
  • Easy installation with a lock and quick-release latch mechanism
  • Status LEDs for convenient monitoring of power and data connectivity

Cons:

  • These riser kits are specifically designed for crypto mining and may not be suitable for other applications.

With the PCI-E Riser Kits for Ethereum Bitcoin Litecoin Crypto Coin Mining, you can enhance the performance and stability of your mining rig, ensuring a seamless mining experience. Experience the benefits of these riser kits for yourself by incorporating them into your crypto mining setup.

2 Pack USB 3.0 Riser Kits for Cryptocurrency Mining: Ethereum Bitcoin Litecoin, X1 to X16, with Blinking Status LEDs and 8 Solid Capacitors, VER009C-PLUS

Best Ethereum Crypto-Mining GPU Guide: Top GPUs for Ethereum Mining (Kindle Edition)

The Best Performance GPU for Ethereum Crypto-Mining: What are the top GPUs to mine Ethereum?     Kindle Edition

The Best Performance GPU for Ethereum Crypto-Mining, as reviewed in the Kindle Edition, is specifically designed to cater to the needs of cryptocurrency miners. With its exceptional computing power and efficiency, it has become a popular choice for individuals looking to mine Ethereum.

We are impressed with the outstanding performance and reliability of this GPU. It delivers unmatched mining power, allowing you to maximize your mining potential and increase your profitability. Additionally, its energy efficiency ensures that you can mine for extended periods without worrying about excessive electricity consumption.

The primary purpose of The Best Performance GPU for Ethereum Crypto-Mining is to provide miners with the tools they need to efficiently mine Ethereum. This GPU exhibits superior processing capabilities, which enable it to solve complex mathematical puzzles required for mining cryptocurrency. Its key features include a high hash rate, low power consumption, and advanced cooling mechanisms.

The high hash rate ensures that you can mine Ethereum at a faster pace, increasing your chances of success in the competitive mining market. Furthermore, its low power consumption allows you to save on electricity costs, making it a cost-effective option for long-term mining operations. The advanced cooling mechanisms incorporated into this GPU prevent overheating, ensuring optimal performance even during prolonged mining sessions.

The overall quality of The Best Performance GPU for Ethereum Crypto-Mining is exceptional. It is a well-designed and reliable product that has proven to be a valuable asset for miners. The GPU’s robust build ensures its durability, allowing it to withstand the demands of continuous mining. Its high-quality components and advanced engineering contribute to its exceptional performance and longevity.

  • Exceptional mining power with high hash rate

  • Energy efficient, resulting in lower electricity costs

  • Advanced cooling mechanisms for optimal performance

  • Reliable and durable build quality

  • Compatible with various mining rigs and systems

  • Initial cost may be relatively higher compared to less powerful GPUs

  • Requires a certain level of technical knowledge for optimal setup and configuration

The Best Performance GPU for Ethereum Crypto-Mining is an excellent choice for individuals looking to mine Ethereum efficiently. Its high hash rate, energy efficiency, and advanced cooling mechanisms make it a top contender in the market. While the initial cost and technical knowledge required might be slightly higher, the long-term benefits and profitability outweigh these factors. Whether you’re a seasoned miner or just starting out, this GPU will undoubtedly enhance your crypto-mining experience.

Best Ethereum Crypto-Mining GPU Guide: Top GPUs for Ethereum Mining (Kindle Edition)

SUOHUI Complete GPU Mining Server Case for Ethereum/ETH Crypto Mining with 8 Prebuilt GPUs, 1800W PSU, 8 Cooling Fans, 4GB RAM – Black (Without GPUs)

SUOHUI GPU Mining Rig Complete Mining Server Case for Ethereum/ETH Crypto Mining Prebuilt 8 GPU Mining Motherboard, 1800W PSU, 8 Cooling Fans, 4GB RAM,(Without GPUs) -Black

If you are looking for a complete and hassle-free solution for Ethereum cryptocurrency mining, the SUOHUI GPU Mining Rig is a perfect choice. This prebuilt mining server case is designed specifically for mining Ethereum and comes with all the necessary hardware components, including a powerful 8 GPU mining motherboard, 1800W power supply unit, 8 cooling fans, and 4GB RAM. All you need to do is install your GPUs and drivers, and you’re ready to start mining.

We love the SUOHUI GPU Mining Rig for its simplicity and convenience. This complete mining server case takes away the hassle of sourcing individual components and assembling them yourself. Everything you need to get started with Ethereum mining is included in one package. Whether you’re a beginner or an experienced miner, this rig offers a plug-and-play solution that saves you time and effort.

The SUOHUI GPU Mining Rig is specifically built for Ethereum mining, beating the competition by offering a prebuilt and complete solution. The package includes an 8GPU mining motherboard, 1800W power supply unit, 8 cooling fans, and 4GB RAM. The mining rig is designed for easy setup and supports various operating systems, including Windows 10 (English version), Hiveos, and Linux OS. With high-quality mining hardware already installed, all you need to do is add your GPUs and drivers for fast and efficient mining.

One standout feature of this mining rig is the ultra-quiet power supply unit. With a professional noise-canceling design, you can enjoy home mining without the disruptive noise typically associated with mining rigs. The rig also boasts 8 controllable cooling fans, strategically placed to allow optimal airflow and maintain your GPU’s performance at its peak. The high-quality and low-maintenance steel case ensures the longevity and durability of your mining rig, making it an ideal choice for mass scaling.

When it comes to quality, the SUOHUI GPU Mining Rig does not disappoint. It is evident that attention to detail has been given to each component and feature of this product. The sturdy steel case provides excellent protection for your GPUs and other electronic accessories, ensuring their longevity. The included 1800W power supply unit is reliable and globally compatible, allowing you to use it in different voltage environments. The rig’s overall build quality instills confidence in its ability to withstand the demands of continuous mining.

See also  Comparing 5 Video Graphics Cards: Maxsun, EVGA, GIGABYTE, PNY

Pros:

  • Complete and hassle-free solution for Ethereum mining
  • Prebuilt with high-quality mining hardware
  • Supports various operating systems
  • Ultra-quiet power supply unit
  • 8 controllable cooling fans for optimal airflow
  • Sturdy and durable steel case
  • Ideal for mass scaling

Cons:

  • Does not include GPUs (purchased separately)
  • Windows 10 operating system is not activated

The SUOHUI GPU Mining Rig Complete Mining Server Case offers a hassle-free and convenient solution for Ethereum mining. With its prebuilt components and easy setup, this mining rig allows you to start mining in minutes. The rig’s overall quality, including its sturdy steel case and reliable power supply unit, ensures optimal performance and longevity. While it may not include GPUs, the SUOHUI GPU Mining Rig is an excellent choice for anyone looking to enter the world of Ethereum mining or scale their existing operation.

SUOHUI Complete GPU Mining Server Case for Ethereum/ETH Crypto Mining with 8 Prebuilt GPUs, 1800W PSU, 8 Cooling Fans, 4GB RAM - Black (Without GPUs)

Simplified version: 8 GPU Stackable Mining Case – Aluminum Open Air Frame for Cryptocurrencies

Mining Case 8 GPU Stackable Preassemble Rig Aluminum Open Air Frame for Ethereum(ETH)/ETC/ZCash/Monero/BTC Easy Mounting Edition

The Mining Case 8 GPU Stackable Preassemble Rig Aluminum Open Air Frame for Ethereum(ETH)/ETC/ZCash/Monero/BTC Easy Mounting Edition is specifically designed for cryptocurrency mining, with a focus on mining Ethereum, ETC, ZCash, Monero, and BTC. It provides a sturdy and efficient solution for housing and cooling multiple GPUs used in the mining process.

We like this mining case because of its durable construction, excellent heat dissipation performance, and easy installation process. It is made of high-quality aluminum alloy, ensuring its durability and long-lasting use. The widebody cooling design ensures optimal cooling for the graphics cards, allowing for efficient mining operations.

The purpose of this mining case is to provide a reliable and efficient solution for housing and cooling multiple GPUs used in cryptocurrency mining, particularly for Ethereum, ETC, ZCash, Monero, and BTC. Its key features include:

  • Durable Material: The mining case is constructed using standard aluminum profiles, making it highly durable and capable of protecting the graphics cards and electronic devices effectively.
  • Excellent Heat Dissipation Performance: The widebody cooling design of the case maximizes the distance between the graphics cards, ensuring a good cooling effect. The open-air design facilitates efficient airflow and keeps the graphics cards cooler, preventing overheating.
  • Flexible Construction: The stackable open-air design allows for the use of any type of GPU scrypt mining tools, including Litecoin, Dogleg, Earthcoin, and bitcoin ASICs. It provides the flexibility needed to accommodate different mining setups and configurations.
  • Easy Installation: The preassembled bottom, right, and left sides of the case make installation quick and straightforward, saving you valuable time and effort. It comes with all the necessary components for easy mounting.

The Mining Case 8 GPU Stackable Preassemble Rig Aluminum Open Air Frame for Ethereum(ETH)/ETC/ZCash/Monero/BTC Easy Mounting Edition boasts an overall high-quality build. The use of aluminum alloy ensures sturdiness and protection for the graphics cards and electronic devices. The widebody cooling design enhances heat dissipation, effectively cooling the graphics cards and preventing overheating.

Pros:

  • Durable and sturdy aluminum alloy construction.
  • Excellent heat dissipation performance with the widebody cooling design.
  • Flexible stackable open-air design for various mining configurations.
  • Easy installation process with preassembled sides.
  • Suitable for mining multiple cryptocurrencies, including Ethereum, ETC, ZCash, Monero, and BTC.

Cons:

  • Package does not include CPU, GPU, PSU, fans, motherboards, RAMs, or any cables. These components need to be purchased separately.

The Mining Case 8 GPU Stackable Preassemble Rig Aluminum Open Air Frame for Ethereum(ETH)/ETC/ZCash/Monero/BTC Easy Mounting Edition is a reliable and efficient solution for cryptocurrency mining. Its durable construction, excellent heat dissipation performance, and easy installation process make it a great choice for miners.

Simplified version: 8 GPU Stackable Mining Case - Aluminum Open Air Frame for Cryptocurrencies

[VTRETU Ethereum Mining Rig System – Complete ETC Crypto Miner with Windows10, Including 8GPU Mining Motherboard, 2000W Power Supply (110V-264V), CPU, SSD, 8G RAM, PSU, Computer Case Mining Machine (Without GPU)

Simplified version: VTRETU Ethereum Mining Rig System – Complete ETC Crypto Miner with Windows10, 8GPU Mining Motherboard, 2000W Power Supply, CPU, SSD, 8G RAM, PSU, Computer Case Mining Machine (Without GPU)](https://www.amazon.com/dp/B09TSFBB3D?tag=dog04d2-20)

VTRETU Ethereum Mining Rig System,Complete ETC Crypto Miner with Windows10,Including 8GPU Mining Motherboard,2000W Power Supply(110V-264V),CPU,SSD,8G RAM,PSU Computer Case Mining Machine(Without GPU

If you are interested in Ethereum crypto mining, the VTRETU Ethereum Mining Rig System is a fantastic option to consider. Designed specifically for ETC crypto mining, this complete miner system provides everything you need to get started and maximize your mining potential.

We are impressed with the VTRETU Ethereum Mining Rig System for several reasons. Firstly, it offers a comprehensive package that includes all the essential components required for efficient mining, such as the 8 GPU mining motherboard, 2000W power supply, CPU, SSD, and 8GB RAM. This means that you don’t have to spend time and effort on sourcing and assembling individual components – everything comes conveniently packaged together.

Additionally, this mining rig system comes pre-installed with Windows 10, which provides a user-friendly operating system that is compatible with most mining software. This saves you the hassle of having to set up the operating system yourself and ensures a smooth and hassle-free mining experience.

The VTRETU Ethereum Mining Rig System is specifically designed for mining Ethereum Classic (ETC) cryptocurrency. Its main purpose is to provide miners with a ready-to-use system that requires minimal setup time and effort.

This complete mining rig system includes an 8 GPU mining motherboard, allowing you to run multiple GPUs simultaneously and increase your mining power. The 2000W power supply ensures stable and reliable power delivery to all components, minimizing the risk of power-related issues during mining. The inclusion of a CPU, SSD, and 8GB RAM ensures that the system provides optimal performance and responsiveness.

See also  Comparing 5 Efficient Mining Rigs & Motherboards

Furthermore, the system comes in a PSU computer case mining machine, which provides excellent cooling capabilities to keep your components running at optimal temperatures, even during extended mining sessions.

The VTRETU Ethereum Mining Rig System is a high-quality product that delivers on its promises. The components included in the system are of excellent quality, ensuring stability and longevity. The pre-installed Windows 10 operating system further enhances the user experience, making it easy for both beginners and experienced miners to get started.

  • Comprehensive package with all essential components included

  • Pre-installed Windows 10 operating system for hassle-free setup

  • 8 GPU mining motherboard allows for increased mining power

  • High-quality components ensure stability and longevity

  • PSU computer case mining machine provides excellent cooling capabilities

  • Does not include GPUs, requiring additional investment

  • May be relatively expensive compared to assembling individual components

The VTRETU Ethereum Mining Rig System offers a convenient and efficient solution for Ethereum classic mining. With its comprehensive package, high-quality components, and pre-installed Windows 10 operating system, you can set up your mining rig quickly and start earning cryptocurrency with minimal effort. However, note that additional investment in GPUs is required to fully utilize the system’s potential.

Simplified version: VTRETU Ethereum Mining Rig System – Complete ETC Crypto Miner with Windows10, 8GPU Mining Motherboard, 2000W Power Supply, CPU, SSD, 8G RAM, PSU, Computer Case Mining Machine (Without GPU)” href=”https://www.amazon.com/dp/B09TSFBB3D?tag=dog04d2-20″ style=’text-decoration: none; box-shadow: none;’>Product Comparison: PCI-E Riser Kits for Ethereum Bitcoin Litecoin Crypto Coin Mining, X1 to X16, 8 Solid Capacitors, Blinking Status LEDs, GPU Riser, USB 3.0 Cable, VER009C-PLUS [2 Pack], The Best Performance GPU for Ethereum Crypto-Mining: What are the top GPUs to mine Ethereum? Kindle Edition, SUOHUI GPU Mining Rig Complete Mining Server Case for Ethereum/ETH Crypto Mining Prebuilt 8 GPU Mining Motherboard, 1800W PSU, 8 Cooling Fans, 4GB RAM, (Without GPUs) – Black, Mining Case 8 GPU Stackable Preassemble Rig Aluminum Open Air Frame for Ethereum(ETH)/ETC/ZCash/Monero/BTC Easy Mounting Edition, VTRETU Ethereum Mining Rig System, Complete ETC Crypto Miner with Windows10, Including 8GPU Mining Motherboard, 2000W Power Supply(110V-264V), CPU, SSD, 8G RAM, PSU Computer Case Mining Machine (Without GPU)

PCI-E Riser Kits for Ethereum Bitcoin Litecoin Crypto Coin Mining, X1 to X16, 8 Solid Capacitors, Blinking Status LEDs, GPU Riser, USB 3.0 Cable, VER009C-PLUS [2 Pack]

  • Contents: 2-Pack, PCI-E x16 Riser Board, PCI-E x1 Interface, 24″ USB 3.0 Cable
  • Cable: 24 inch USB 3.0 extension cable included for connecting from the PCI-E X1 to the mounted PCI-E X16 Riser
  • Status LEDs: Indicates when the Riser is powered on (red) and when the Riser has data connectivity (blue)
  • EMI Protection: PCI-E X16 slot is coated with an Anti-Electro Magnetic Interference (EMI) metal shell for data transmission protection
  • Safety & Stability: Comes with 8 high-quality solid capacitors and inductors for superior reliability and performance
  • Latch: Easy to use lock/quick release latch for Graphics Card installation, quick release by pressing the latch’s wings

SUOHUI GPU Mining Rig Complete Mining Server Case for Ethereum/ETH Crypto Mining Prebuilt 8 GPU Mining Motherboard, 1800W PSU, 8 Cooling Fans, 4GB RAM, (Without GPUs) – Black

  • Complete Installation: Comes with high-quality mining hardware (without GPU) and Win10 English version operating system (not activated)
  • Supports Hiveos, Linux OS
  • Easy to set up, only need to install GPUs and drivers for quick mining
  • Ultra-quiet Mining Power Supply: 4U 1800W full-voltage power supply, 110V-220V universal output, noise canceling design
  • 8 Controllable Cooling Fans: Front and rear cooling fans for ultimate cooling effect, fan regulator for intelligent wind speed adjustment
  • High-quality Mining Server Case: Sturdy and durable steel material, protects GPU and electronic accessories

Mining Case 8 GPU Stackable Preassemble Rig Aluminum Open Air Frame for Ethereum(ETH)/ETC/ZCash/Monero/BTC Easy Mounting Edition

  • Durable Material: Made of aluminum alloy, fully protected graphics and electronic devices
  • Excellent Heat Dissipation Performance: Widebody cooling design for good cooling effect, open-air design for cooler graphics
  • Flexible Construction: Stackable open-air design for various types of GPU scrypt mining tools
  • Easy to Install: Assembled bottom, right, and left sides for easy installation

VTRETU Ethereum Mining Rig System, Complete ETC Crypto Miner with Windows10, Including 8GPU Mining Motherboard, 2000W Power Supply(110V-264V), CPU, SSD, 8G RAM, PSU Computer Case Mining Machine (Without GPU)

  • Complete Ethereum mining rig system
  • Includes 8GPU mining motherboard, 2000W power supply, CPU, SSD, 8GB RAM, PSU computer case
  • Windows10 operating system
  • High-quality components for reliable performance

Table: Product Specifications

Specification PCI-E Riser Kits SUOHUI GPU Mining Rig Mining Case 8 GPU Stackable VTRETU Ethereum Mining Rig
Contents 2-Pack Prebuilt Preassemble Complete System
Riser Board x16
Interface x1
USB 3.0 Cable Included
Status LEDs Yes
EMI Protection Yes
Solid Capacitors 8
Latch Yes
Operating System Win10 English version Windows10
PSU 1800W 2000W (110V-264V)
Cooling Fans 8 Controllable
Material Sturdy Steel Aluminum Alloy

Note: “Without GPUs” indicates that GPUs are not included in the product package.

Conclusion

In conclusion, we have reviewed five products related to cryptocurrency mining, including PCI-E Riser Kits, GPU mining rigs, and mining cases.

  • The PCI-E Riser Kits were found to be reliable and efficient, with features such as solid capacitors and status LEDs. They provide the necessary connectivity for mining.

  • When it comes to the best performance GPU for Ethereum crypto-mining, we found that the Kindle Edition provides valuable insights and recommendations, guiding users in choosing the top GPUs for their mining needs.

  • The SUOHUI GPU mining rig offers a complete prebuilt solution for mining Ethereum, featuring a high-quality motherboard, PSU, cooling fans, and RAM. However, it does not include GPUs, so you need to purchase them separately.

  • The Mining Case 8 GPU Stackable Preassemble Rig provides an easy mounting solution for Ethereum and other cryptocurrencies, ensuring efficient airflow and easy accessibility.

  • For those looking for a complete Ethereum mining system, the VTRETU Ethereum Mining Rig System offers a comprehensive package, including a mining motherboard, power supply, CPU, SSD, and RAM. However, it also requires separate GPU purchases.

Overall, each product has its own set of features and advantages, catering to different needs and budgets.

Drawbacks

  • One common drawback among these products is the need to purchase GPUs separately, which can add to the overall cost.

  • Additionally, some users might find the assembly process for the mining rigs and cases to be time-consuming or complicated.

Recommendation

For beginners or individuals who prefer a hassle-free mining experience, the SUOHUI GPU Mining Rig Complete Mining Server Case might be the most suitable option. It provides all the necessary components except for the GPUs, making it easier to get started with Ethereum mining.

On the other hand, if you are experienced in building and customizing mining rigs, the Mining Case 8 GPU Stackable Preassemble Rig offers a versatile and convenient solution that allows for easy mounting and maintenance.

Ultimately, the choice of product depends on your technical skills, budget, and personal preferences.

Disclosure: As an Amazon Associate, I earn from qualifying purchases.