---
product_id: 686173809
title: "PCIe 4.0 x4 to Oculink External SFF-8612 Adapter Card for eGPU Dock Mimi Pc"
brand: "letlinkso"
price: "311 Lei"
currency: RON
in_stock: true
reviews_count: 7
category: "Let Link So"
url: https://www.desertcart.ro/products/686173809-pcie-4-0-x4-to-oculink-external-sff-8612-adapter
store_origin: RO
region: Romania
---

# 64 Gbps ultra-fast transfer PCIe 4.0 x4 interface expansion Durable welded connector design PCIe 4.0 x4 to Oculink External SFF-8612 Adapter Card for eGPU Dock Mimi Pc

**Brand:** letlinkso
**Price:** 311 Lei
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your rig, unlock the future of speed and connectivity!

## Quick Answers

- **What is this?** PCIe 4.0 x4 to Oculink External SFF-8612 Adapter Card for eGPU Dock Mimi Pc by letlinkso
- **How much does it cost?** 311 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/686173809-pcie-4-0-x4-to-oculink-external-sff-8612-adapter)

## Best For

- letlinkso enthusiasts

## Why This Product

- Trusted letlinkso brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Welded connector housing ensures rock-solid durability and reliable plug-and-play use.
- • **Zero Hassle Setup:** Plug-and-play convenience with broad OS support—no drivers needed, just instant power.
- • **Bootable Device Support:** Flex your system startup options with full bootable device compatibility.
- • **Blazing Fast Data Speeds:** Harness PCIe 4.0 with 64 Gbps throughput for lightning-quick NVMe and eGPU performance.
- • **Seamless Connectivity Expansion:** Add an Oculink SFF-8612 x4 port effortlessly to your PC for next-level device compatibility.

## Overview

The LetLinkSo PCIe 4.0 x4 to Oculink External SFF-8612 Adapter Card transforms your PC by adding a high-speed Oculink interface, delivering up to 64 Gbps data transfer. Designed with a durable welded connector, it supports bootable devices and offers effortless plug-and-play compatibility across Windows and Linux systems, making it the perfect upgrade for gamers and professionals seeking expanded external GPU and NVMe SSD connectivity.

## Description

desertcart.com: LetLinkSo PCIe 4.0 x4 to Oculink External SFF-8612 Adapter Card for eGPU Dock Mimi Pc : Electronics

Review: Compatible - Works as expected. The quality is okay. I was able to add Oculink to my main gaming rig and add an external GPU via Oculink. Recognized the card and installed the driver via Windows Update. Get the PCIe x16 version if you have a desktop as it's much faster than the other sizes. Was able to upgrade my 1660 to Radeon RX 7600M eGPU quickly.
Review: Easy upgrade on PC - Upgraded my workstation computer, from a mini 3060 to a 4090, works fantastic, had no problems so far.

## Features

- EXPANDED CONNECTIVITY: Expand your PC's capabilities with an additional Oculink SFF-8612 x4 interface through the PCIe slot, enabling seamless connection to more devices such as NVMe SSDs or eGPUs with SFF-8611 Cable
- ULTRA-HIGH-SPEED DATA TRANSFER: Supporting the PCIe 4.0 standard, LetLinkSo PCIe to SFF-8612 External Adapter Card offers a transfer rate of 16 GT/s per lane across 4 lanes, reaching a total of 64 Gbps. This ensures swift and efficient data read/write performance, making it ideal for high-performance applications that handle large volumes of data
- DURABLE CONSTRUCTION: With the connector housing welded to the PCB, this PCIe to Oculink Card ensures a more secure connection, reducing fragility, providing a worry-free plug-and-unplug experience, and enhancing the product's durability
- SUPPORT FOR BOOTABLE DEVICES: The PCIe to Oculink Card supports the use as a bootable device, offering users more options for system startup and operation, increasing system flexibility and usability
- PLUG-AND-PLAY CONVENIENCE: No additional driver installation is required; simply plug and play for user convenience. Compatible with a variety of operating systems, including Windows，Windows Server and Linux
- Need an OCuLink adapter for devices WITHOUT PCIe slot? Check our NEW M.2 to OCuLink Adapter (ASIN:B0GJ4PPLG8) - Same high-speed performance, perfect alternative for laptops/mini PCs

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DQ87C5XJ |
| Best Sellers Rank | #55 in Computer Memory Card Adapters |
| Brand | LetLinkSo |
| Color | Black |
| Customer Reviews | 4.8 4.8 out of 5 stars (12) |
| Date First Available | December 12, 2024 |
| Item Dimensions LxWxH | 4.72 x 1 x 3.14 inches |
| Item Weight | 2.39 ounces |
| Item model number | PCIe x4 to Oculink |
| Manufacturer | DataLink Sphere |
| Operating System | Linux, Windows, Windows Server |
| Product Dimensions | 4.72 x 1 x 3.14 inches |

## Product Details

- **Brand:** LetLinkSo
- **Compatible Devices:** Desktop Computers, GPU Dock, Server
- **Hardware Interface:** PCIE x 1, PCIE x 16, PCIE x 4, PCIE x 8
- **Manufacturer:** DataLink Sphere
- **Style:** Enterprise-Level

## Images

![PCIe 4.0 x4 to Oculink External SFF-8612 Adapter Card for eGPU Dock Mimi Pc - Image 1](https://m.media-amazon.com/images/I/616h1g27LtL.jpg)

## Available Options

This product comes in different **Model** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Compatible
*by P***R on October 18, 2025*

Works as expected. The quality is okay. I was able to add Oculink to my main gaming rig and add an external GPU via Oculink. Recognized the card and installed the driver via Windows Update. Get the PCIe x16 version if you have a desktop as it's much faster than the other sizes. Was able to upgrade my 1660 to Radeon RX 7600M eGPU quickly.

### ⭐⭐⭐⭐⭐ Easy upgrade on PC
*by S***D on November 6, 2025*

Upgraded my workstation computer, from a mini 3060 to a 4090, works fantastic, had no problems so far.

### ⭐⭐⭐⭐⭐ MS-01, and it worked fine with the DEG1 external GPU adapter.
*by C***W on January 4, 2026*

Used this board with my MS-01, and it worked fine with the DEG1 external GPU adapter. I had problems with the drivers in proxmox, but I don't think this was caused by the adapter.

## Frequently Bought Together

- LetLinkSo PCIe 4.0 x4 to Oculink External SFF-8612 Adapter Card for eGPU Dock Mimi Pc
- LetLinkSo Oculink Cable PCIe 4.0 SFF-8611 4i Male Extension Cable for Oculink eGPU onexGPU Mini PC SSD, 3.3 feet (100 cm)
- MINISFORUM DEG1 eGPU Dock, External GPU Docking Station for RTX 4090, AMD RX 7900 XTX, eGPU Enclosure Graphics Card Extension Support ATX/SFX Standard Power, Oculink Expansion Graphics Docking Station

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-03-07*