--- 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: "644 Lei" currency: RON in_stock: true category: "Jmt" url: https://www.desertcart.ro/products/604015681-m-2-m-key-to-pcie-4-0x4-external-graphics store_origin: RO region: Romania --- # 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:** 644 Lei **Availability:** ✅ In Stock ## Summary > 🚀 Elevate your rig: Power, speed, and compatibility in one sleek bracket! ## 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?** 644 Lei with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/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 Setup:** Supports standard 24P power input with external 500W+ PSU for stable, high-power GPU operation without bulky built-in supplies. - • **Smart Sync Start/Stop:** Enjoy hassle-free power management with synchronous host control, ensuring smooth startup and shutdown sequences. - • **Multi-Card Expansion Ready:** Plug in GPUs, network, sound, or capture cards effortlessly—perfect for pros demanding versatile workstation upgrades. - • **Blazing Fast PCIe 4.0 x4 Speeds:** Unlock next-gen GPU and expansion card performance with ultra-low latency and max bandwidth. - • **Universal Oculink & M.2 Compatibility:** Seamlessly expand your laptop or handheld’s capabilities with broad device support and 95%+ compatibility. ## Overview The JMT M.2 M-Key to PCIe 4.0 x4 External Graphics Card Stand Bracket is a cutting-edge adapter designed for Oculink and M.2 NVMe laptops and handhelds. It enables high-speed PCIe 4.0 Gen4 expansion for GPUs and other PCIe cards, supports flexible external power supplies of 500W or more, and offers broad compatibility with a 90-95% success rate across tested devices. Ideal for professionals seeking to supercharge their portable workstations with versatile, high-performance graphics and expansion capabilities. ## 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. ## 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 | #567 in Computer Graphics Cards | | Brand | JMT | | Color | Black | | Compatible Devices | Desktop, Laptops | | Compatible Phone Models | Universal | | Compatible with Vehicle Type | ATV, Automobile, Truck | | Customer Reviews | 4.2 4.2 out of 5 stars (60) | | Enclosure Material | Metal And Plastic | | Global Trade Identification Number | 00783798005388 | | Item Weight | 0.32 Kilograms | | Manufacturer | JMT | | Mfr Part Number | F51620 | | Model Name | AMD Radeon RX 6800 XT | | Model Number | F51620 | | Mounting Type | Tabletop Mount | | UPC | 783798005388 078379800538 | | Unit Count | 1.0 Count | | Warranty Description | 1 | ## Product Details - **Brand:** JMT - **Color:** Black - **Compatible Devices:** Desktop, Laptops - **Compatible Phone Models:** Universal - **Mounting Type:** Tabletop Mount ## 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) ## Available Options This product comes in different **Size** options. ## 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.ro/products/604015681-m-2-m-key-to-pcie-4-0x4-external-graphics](https://www.desertcart.ro/products/604015681-m-2-m-key-to-pcie-4-0x4-external-graphics) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-07-25*