--- product_id: 604015681 title: "M.2 M-Key to PCIE 4.0X4 External Graphics Card Stand Bracket Compatible with Oculink/M.2 NVMe Laptop eGPU?GDP Handhelds (Dock-OC4)" brand: "jmt" price: "€ 124.37" currency: EUR in_stock: true reviews_count: 13 category: "Jmt" url: https://www.desertcart.com.cy/products/604015681-m-2-m-key-to-pcie-4-0x4-external-graphics store_origin: CY region: Cyprus --- # PCIe 4.0 x4 Gen4 bandwidth Oculink & M.2 NVMe compatibility Supports ATX/SFX 24P power input M.2 M-Key to PCIE 4.0X4 External Graphics Card Stand Bracket Compatible with Oculink/M.2 NVMe Laptop eGPU?GDP Handhelds (Dock-OC4) **Brand:** jmt **Price:** € 124.37 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your GPU game—expand, power, and perform like a pro! ## Quick Answers - **What is this?** M.2 M-Key to PCIE 4.0X4 External Graphics Card Stand Bracket Compatible with Oculink/M.2 NVMe Laptop eGPU?GDP Handhelds (Dock-OC4) by jmt - **How much does it cost?** € 124.37 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/604015681-m-2-m-key-to-pcie-4-0x4-external-graphics) ## Best For - jmt enthusiasts ## Why This Product - Trusted jmt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flexible Power Support:** Works with ATX, SFX, and 1U power supplies (500W+), ensuring stable and scalable GPU performance. - • **Blazing PCIe 4.0 x4 Speeds:** Unlock ultra-fast data transfer with Gen4 bandwidth, future-proofing your eGPU setup. - • **Compact & Versatile Design:** Sleek tabletop mount with metal-plastic build, perfect for professional setups craving modular GPU expansion. - • **Plug & Play Start/Stop Sync:** Experience smooth system integration with unique synchronous power control—no hot-swap needed. - • **Seamless Oculink & M.2 Integration:** Expand your laptop or handheld’s GPU power effortlessly with cutting-edge port compatibility. ## Overview The JMT M.2 M-Key to PCIe 4.0 x4 External Graphics Card Stand Bracket is a high-performance adapter designed for laptops and handhelds with Oculink or M.2 NVMe ports. It supports PCIe Gen4 x4 bandwidth, enabling fast GPU, network, sound, and capture card expansion. Compatible with ATX/SFX power supplies (500W+), it offers synchronous start/stop functionality and a compact tabletop mount, making it ideal for professionals seeking modular, scalable external GPU solutions. ## Description JMT M.2 M-Key to PCIE 4.0X4 External Graphics Card Stand Bracket Compatible with Oculink / M.2 NVMe Laptop eGPU GDP Handhelds Product Description: 1, O culink adapter board, support devices with O culink port to expand PCIE card. 2, Support M.2 port, through the standard O culink extension cable to PCIE card. 3, Support expanding GPU graphics card, PCIE network card, PCIE sound card, PCIE capture card, etc. PCIE array card only supports X4 devices. 4, The maximum bandwidth speed is PCIE 4.0 X4 GEN4, backward compatible with GEN3. 5, Support ATX\SFX\small 1U power supply, the adapter board only needs to be inserted into the 24P power supply, the graphics card power supply is provided by other power supplies. Power supply should be 500W and above. 6, Support synchronous start and stop following the host, does not support hot-swap. 7, Only GDP handhelds with o culink ports have been successfully tested for compatibility, other hosts with O culink ports are still being collected. 8, The successful compatibility rate is 90% for laptops with M.2 ports, 95% for small hosts with M.2 ports, and 95% for other hosts. 9, This series of kit products do not include O culink extension cable, need to purchase separately. 10, This series of boxes do not support built-in power supply, and limit the size of the graphics card. Review: Fantastico - Works great. Magnetic bottom is a nice touch for setting on metal rack shelving. No issues at all been running a couple weeks now. Review: 1 mxi670 working with 3 GPU with PCIE 4.0 4X - my 3rd GPU working fine with ollama and working perfectly ## Features - Oculink-Compatible adapter board, support devices with O culink port to expand PCIE card. - Support M.2 port, through the standard O culink extension cable to PCIE card. - Support expanding GPU graphics card, PCIE network card, PCIE sound card,?PCIE capture card, etc. PCIE array card only supports X4 devices. - Support ATXSFXsmall 1U power supply, the adapter board only needs to be inserted into?the 24P power supply, the graphics card power supply is provided by other power supplies.??Power supply should be 500W and above. - This series of boxes do not support built-in power supply, and limit the size of the graphics card. (Do not include O culink extension cable) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CRR7HMX5 | | Additional Features | Unique Start/Stop Functionality | | Best Sellers Rank | #404 in Computer Graphics Cards | | Brand | JMT | | Color | Black | | Compatible Devices | Desktop, Laptops | | Customer Reviews | 4.2 out of 5 stars 59 Reviews | | Enclosure Material | Metal And Plastic | | Global Trade Identification Number | 00783798005388 | | Item Weight | 0.32 Kilograms | | Manufacturer | JMT | | Material | Metal And Plastic | | Mfr Part Number | F51620 | | Model Name | AMD Radeon RX 6800 XT | | Model Number | F51620 | | Mounting Type | Tabletop Mount | | Special Feature | Unique Start/Stop Functionality | | UPC | 783798005388 078379800538 | | Unit Count | 1.0 Count | | Warranty Description | 1 | ## Product Details - **Brand:** JMT - **Color:** Black - **Compatible Devices:** Desktop, Laptops - **Mounting Type:** Tabletop Mount - **Special Feature:** Unique Start/Stop Functionality ## Images ![M.2 M-Key to PCIE 4.0X4 External Graphics Card Stand Bracket Compatible with Oculink/M.2 NVMe Laptop eGPU?GDP Handhelds (Dock-OC4) - Image 1](https://m.media-amazon.com/images/I/51iEVpWlzmL.jpg) ![M.2 M-Key to PCIE 4.0X4 External Graphics Card Stand Bracket Compatible with Oculink/M.2 NVMe Laptop eGPU?GDP Handhelds (Dock-OC4) - Image 2](https://m.media-amazon.com/images/I/5183qVZZ+zL.jpg) ![M.2 M-Key to PCIE 4.0X4 External Graphics Card Stand Bracket Compatible with Oculink/M.2 NVMe Laptop eGPU?GDP Handhelds (Dock-OC4) - Image 3](https://m.media-amazon.com/images/I/61sSx6pySlL.jpg) ![M.2 M-Key to PCIE 4.0X4 External Graphics Card Stand Bracket Compatible with Oculink/M.2 NVMe Laptop eGPU?GDP Handhelds (Dock-OC4) - Image 4](https://m.media-amazon.com/images/I/41v8sZnfUKL.jpg) ![M.2 M-Key to PCIE 4.0X4 External Graphics Card Stand Bracket Compatible with Oculink/M.2 NVMe Laptop eGPU?GDP Handhelds (Dock-OC4) - Image 5](https://m.media-amazon.com/images/I/611lEjzLKRL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fantastico *by R***. on May 16, 2026* Works great. Magnetic bottom is a nice touch for setting on metal rack shelving. No issues at all been running a couple weeks now. ### ⭐⭐⭐⭐⭐ 1 mxi670 working with 3 GPU with PCIE 4.0 4X *by S***O on May 16, 2026* my 3rd GPU working fine with ollama and working perfectly ### ⭐⭐⭐⭐ Just one small quibble *by C***W on August 8, 2025* Could use a little documentation in the box, but once I puzzled out how to get it working, it did what I expected it to do. ## Frequently Bought Together - JMT M.2 M-Key to PCIE 4.0X4 External Graphics Card Stand Bracket Compatible with Oculink/M.2 NVMe Laptop eGPU?GDP Handhelds (Dock-OC4) - chenyang SFF-8611 Cable OCuLink PCIe PCI-Express 4.0 SFF-8611 4i Male to SFF-8611 Male Data Extension Cable 50cm for eGPU GPD Win Max2 External Graphics Card & SSD - CY Cable OcuLink PCIe PCI-Express SFF-8611 4i to OcuLink SFF-8611 SSD Data Active Cable 50cm --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.com.cy/products/604015681-m-2-m-key-to-pcie-4-0x4-external-graphics](https://www.desertcart.com.cy/products/604015681-m-2-m-key-to-pcie-4-0x4-external-graphics) --- *Product available on Desertcart Cyprus* *Store origin: CY* *Last updated: 2026-06-22*