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LetLinkSo PCIe 4.0 x4 to OCuLink SFF-8612 Adapter External GPU Card for eGPU Dock, NVMe SSD Low Profile, x1/x8/x16 Versions Available
- Item #: 9SIVSXPKXK6203
- Mfr. Part #: B0DQ7JQL68
- Converts PCIe 4.0 x4 slot to OCuLink SFF-8612 for connecting eGPU docks, NVMe SSD enclosures, and other external PCIe devices.
- Supports PCIe 4.0 at 16 GT/s per lane, backward compatible with PCIe 3.0/2.0/1.0. This listing is for x4 version; x1, x8, and x16 versions are also in stock and sold separately.
- Plug-and-play, no drivers required. Compatible with Linux kernel 5.11 or later, Windows 8.1/8.1-64/10/10-64/11, Windows Server 2019 ideal for Mini PCs, industrial motherboards, and servers with PCIe x1 slots.
- Built with industrial-grade PCB, and optimized circuit layout, the adapter effectively reduces crosstalk, EMI, and signal loss gold-plated PCIe fingers rated for 5,000+ mating cycles.
- Custom PCB color and logo printing available for bulk orders. Warranty provided.
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Overview
Specs
Reviews
Product Positioning & Applications
This PCIe to OCuLink adapter converts a PCIe slot into an external OCuLink SFF-8612 interface, enabling systems without native OCuLink ports to connect external GPU docks, NVMe enclosures, and PCIe peripherals. Supporting PCIe Gen 4/3/2/1 with auto-negotiation, it is designed for data center servers, workstations, and industrial equipment. This listing is for the x4 version; x1/x8/x16 variants are available separately.
Specifications & Compatibility
Supports PCIe 4.0 with 16 GT/s per lane (up to ~2 GB/s throughput), backward compatible with PCIe 3.0/2.0/1.0. Features an SFF-8612 female connector for use with standard SFF-8611 OCuLink cables. Plug-and-play across Windows 10/11, Linux kernel 5.11+, and macOS, with no drivers required.
Construction & Material Advantages
Built with industrial-grade components and reinforced SMD-mount connectors for enhanced durability (rated for 5,000+ mating cycles). Optimized PCB design ensures signal integrity and EMI reduction, with gold-plated PCIe contacts for repeated use. Operating temperature range: -40°C to +85°C, suitable for continuous 24/7 enterprise operation.
Installation Notes
Compact low-profile design fits small form factor chassis, servers, and industrial setups. No driver installation required for quick plug-and-play deployment. The x1 version is ideal for NVMe SSDs or light GPU workloads; use x4 or higher for high-performance GPUs. The adapter is shipped in anti-static packaging avoid touching gold fingers before installation.
Customization & Bulk Procurement
OEM/ODM customization available, including custom PCB designs. All adapters undergo automated high-frequency signal testing and compatibility checks before shipment. Bulk orders qualify for tiered pricing, dedicated technical support, and a 12-month warranty.
Product Specifications:
Data Transfer Rate: Up to 16 GT/s (per lane)
Number of Channels: 4
Compatibility: PCIe 4.0, 3.0, 2.0, 1.0
Operating Temperature Range: -40 - 85
Operating Systems: Linux kernel 5.11 or later, Windows 8.1/8.1-64/10/10-64/11, Windows Server 2019
Supported Features: Supports bootable devices
Product information
| Brand | LetLinkSo |
| Item Weight | 4 Ounces |
| Compatible Devices | Desktop Computers |
| Manufacturer | DataLink Sphere |
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 60 days
- This item is covered by LetLinkSo Return Policy
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