--- product_id: 654529441 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: "$265.34" currency: USD in_stock: true reviews_count: 5 url: https://www.desertcart.us/products/654529441-m-2-m-key-to-pcie-4-0x4-external-graphics store_origin: US region: United States of America --- # PCIe 4.0 x4 Gen4 bandwidth Compatible with Oculink & M.2 NVMe devices Supports ATX/SFX 500W+ power supply 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:** $265.34 **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your graphics game—expand beyond limits with JMT’s PCIe powerhouse! ## 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?** $265.34 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/654529441-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 - • **Blazing PCIe 4.0 x4 Speeds:** Unlock ultra-fast data transfer with Gen4 bandwidth, future-proofing your eGPU setup. - • **Plug & Play Sync Start/Stop:** Experience smooth system integration with synchronous power control—no hot-swap, but flawless startup. - • **Compact & Sleek Tabletop Design:** Minimal footprint with metal/plastic build, perfect for professional desks and mobile setups. - • **Universal Oculink & M.2 Compatibility:** Seamlessly expand your laptop or handheld GPU capabilities with broad device support. - • **Power Flexibility for High-Performance GPUs:** Supports standard ATX/SFX power supplies 500W+, ensuring stable power delivery for demanding cards. ## Overview The JMT M.2 M-Key to PCIe 4.0 x4 External Graphics Card Stand Bracket is a cutting-edge adapter designed for professionals seeking to boost their laptop or handheld GPU performance. Compatible with Oculink and M.2 NVMe ports, it supports PCIe 4.0 Gen4 speeds and a variety of PCIe cards including GPUs, network, sound, and capture cards. It requires an external 500W+ ATX/SFX power supply and features synchronous start/stop functionality for seamless integration. Its compact tabletop mount and robust metal/plastic construction make it ideal for millennial managers demanding high performance and sleek setups. ## 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: All works ok Review: Was apprehensive but it works well ## 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 | | Best Sellers Rank | #1,110,066 in Electronics ( See Top 100 in Electronics ) #1,081 in Graphics Cards | | Brand | JMT | | Brand Name | JMT | | Colour | Black | | Compatible Devices | Laptop, Small Form Factor Computer | | Customer Reviews | 4.3 out of 5 stars 52 Reviews | | Enclosure Material | Metal And Plastic | | Global Trade Identification Number | 00783798005388 | | Item Weight Unit of Measure | 0.32 Kilograms | | Manufacturer | JMT | | Manufacturer Part Number | F51620 | | Material | Metal And Plastic | | Model Name | AMD Radeon RX 6800 XT | | Model Number | F51620 | | Mounting Type | Tabletop Mount | | Product Features | Unique Start/Stop Functionality | | Special Feature | Unique Start/Stop Functionality | | UPC | 783798005388 078379800538 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** JMT - **Colour:** Black - **Compatible Devices:** Laptop, Small Form Factor Computer - **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) ## Customer Reviews ### ⭐⭐⭐⭐⭐ All works ok *by P***. on 6 March 2026* ### ⭐⭐⭐⭐⭐ Was apprehensive but it works well *by T***6 on 20 August 2025* ### ⭐⭐⭐⭐⭐ Fa il suo mestiere *by A***I on 11 March 2025* Fa il suo mestiere. Su schede modeste come 4060Ti non crea neppure particolari colli di bottiglia. 3dMark ottiene punteggi pari al bus gen4 8X nativo ## 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.us/products/654529441-m-2-m-key-to-pcie-4-0x4-external-graphics](https://www.desertcart.us/products/654529441-m-2-m-key-to-pcie-4-0x4-external-graphics) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-06*