10 Best External GPU Enclosures (eGPUs) To Buy (2017)

In today’s rapidly evolving tech landscape, keeping pace with hardware advancements has become essential rather than optional. Laptops face particular challenges in this regard due to their integrated architecture and soldered components. While storage drives can typically be upgraded, critical elements like graphics processing units remain permanently fixed to motherboards. This limitation sparked the development of external graphics solutions, commonly referred to as eGPUs.

An external GPU enclosure represents a specialized hardware chassis designed to house desktop-grade graphics cards that connect to your laptop. These desktop GPUs deliver substantially higher performance compared to integrated mobile graphics, potentially offering up to 10x performance improvements for demanding applications and games. Although external graphics solutions have existed for several years, earlier versions suffered from significant bandwidth constraints that hampered their effectiveness. The introduction of Intel’s Thunderbolt 3 interface marked a transformative moment for this technology.

Thunderbolt 3 utilizes the USB-C connector format while providing maximum throughput of 40 Gbps, effectively eliminating the bandwidth barriers that previously limited external graphics performance. If your current laptop falls short for gaming but includes a Thunderbolt 3 port, exploring external GPU options could dramatically enhance your experience. Below we examine the leading external graphics enclosures available today.

Beginning with the most recognized external graphics solution, Razer’s Core stands as a premium option. Originally launched alongside the Razer Blade Stealth ultrabook, this enclosure functions as a standalone product compatible with any Thunderbolt 3-equipped device. The Razer Core demands substantial power, incorporating a 500W PSU and weighing 10.89 lbs., which limits portability but delivers robust feature compensation.

Standard connectivity on the Razer Core includes 4 USB 3.0 ports for peripheral devices, an Ethernet port for wired networking, a SATA III drive port for storage expansion, and compatibility with AMD’s X-Connect technology for simplified setup. The enclosure accommodates graphics cards measuring up to 12.2 inches in length, supporting most high-end desktop GPUs.

Purchase directly from Razer: ($499.99)

Next we examine AKiTiO’s Thunder 3 Duo Pro, representing the evolution of their Thunder 2 product line. This updated model transitions from Thunderbolt 2 to the current Thunderbolt 3 standard. The AKiTiO enclosure operates with a modest 72W external PSU and weighs only 7.2 lbs., making it significantly more portable. It includes both a Thunderbolt 3 port and a USB 3.1 port for broader laptop compatibility, though the USB connection’s 10 Gbps maximum bandwidth will constrain graphics performance.

The Thunder 3 Duo Pro also provides an external HDMI display port for direct monitor connections. Graphics card support extends to units measuring up to 7.87 inches long, accommodating mid-range GPUs effectively.

Available on Amazon: ($319.00)

PowerColor’s Devil Box 3 emerges as another powerful contender, prioritizing performance over aesthetic appeal. This enclosure matches the Razer Core’s 500W PSU specification while weighing a more manageable 7.92 lbs.. It includes an Ethernet port, SATA III expansion port, and supports AMD’s X-Connect Technology for streamlined operation.

Successfully implementing an external GPU requires careful preparation and configuration. Begin by verifying your laptop’s Thunderbolt 3 certification and ensuring adequate power delivery through the port. Many modern ultrabooks support this standard, but checking manufacturer specifications prevents compatibility issues. Driver management represents another critical consideration—always install the latest graphics drivers after connecting your eGPU to avoid performance problems.

When selecting a desktop graphics card for your enclosure, confirm physical dimensions align with the manufacturer’s size limitations. High-performance cards often exceed length restrictions, particularly in compact enclosures like the AKiTiO models. Additionally, consider power consumption requirements, as some high-end GPUs may demand more wattage than certain enclosures can provide.

For optimal gaming performance, connect your display directly to the eGPU rather than using your laptop’s internal screen. This bypasses unnecessary data transfer back to the laptop, reducing latency and improving frame rates. Monitor your system temperatures during extended gaming sessions, as some enclosures may benefit from additional cooling solutions in warm environments.

The Mantiz Venus stands out as an exceptional external GPU enclosure specifically engineered for Apple’s MacBook ecosystem, featuring a sophisticated design that seamlessly integrates with macOS aesthetics. This premium enclosure incorporates a robust 550W power supply unit while maintaining a manageable weight of approximately 7.92 lbs. What distinguishes the Venus from competitors is its extensive connectivity suite, offering 5 USB 3.0 ports for peripheral expansion alongside dedicated Ethernet and SATA III Drive interfaces. The enclosure’s generous internal dimensions accommodate graphics cards measuring up to 13.00 inches in length, ensuring compatibility with high-end GPUs for demanding creative applications and gaming scenarios.

Purchase directly from Mantiz’s official website: ($389.00)

AKiTiO’s Node represents the company’s economical alternative to their premium Thunder 3 model, delivering essential eGPU functionality without unnecessary embellishments. Powered by a efficient 400W PSU, the Node achieves remarkable portability at just 3.10 lbs, making it one of the lightest capable enclosures available. This unit adopts a minimalist philosophy focused exclusively on graphics performance enhancement, deliberately omitting expansion ports to maintain cost-effectiveness and simplicity. Despite its compact form factor, the Node supports graphics processors extending up to 12.60 inches, providing adequate space for most current-generation and upcoming GPU models while ensuring long-term viability.

Available for purchase through Amazon: ($309.99)

Sonnet Technologies offers the Breakaway Box in two distinct configurations tailored to different performance requirements and GPU power demands. The enclosure is available with either 350W or 550W power supplies, supporting graphics cards with maximum power draws of 300W and 375W respectively. Weighing 7.1 pounds, this unit prioritizes stationary setup over portability. Similar to the AKiTiO Node, the Breakaway Box maintains a no-frills approach with no additional ports, while accommodating GPUs measuring up to 12.20 inches. The 350W variant is included in Apple’s External Graphics Development Kit, with standalone availability beginning in early July priced at $299, while the more powerful 550W model launches in the third quarter for $349.

The Bizon Box 3 completes our lineup as another MacBook-focused external GPU solution distinguished by its highly adaptable specification options. This enclosure ships standard with a 200W power supply, though buyers can opt for an upgraded 400W PSU to accommodate more power-hungry graphics cards. At 8.8 lbs (with base power supply), the Box 3 is designed for permanent workstation setups rather than mobile use. Unlike many competitors, Bizon provides customization at purchase, allowing users to select specific GPU models for bundled packages. The enclosure supports graphics cards up to 12.6 inches while maintaining a clean, expansion-port-free design philosophy focused on core functionality.

Direct purchase option through Bizon’s website: ($649)

When choosing between these external GPU enclosures, consider your specific use case and workflow requirements. The Mantiz Venus excels for users needing extensive connectivity options, while the AKiTiO Node offers the best value for budget-conscious buyers seeking pure performance. Sonnet’s dual-power approach provides flexibility for different GPU tiers, and the Bizon Box 3 delivers customization for specialized Mac workflows. Always verify your graphics card’s physical dimensions and power requirements before purchase, and consider future upgrade paths when selecting your enclosure. For comprehensive gaming setup guidance, explore our Battlefield 6 Complete Guide to optimize your entire system configuration.

Further Reading: How to Build a 4K Gaming PC For Under $1500

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