Professional PCIe 4.0 to U.2 Storage Adapter
Transform your desktop or server with enterprise-grade U.2 NVMe SSD support. The IO-PCE8639A-U2 adapter delivers high-speed PCIe 4.0 x4 connectivity for 2.5-inch U.2 drives, perfect for workstations, servers, and data centers.
📋Key Features
High-speed PCIe 4.0 x4 (compatible with x8/x16 slots)
Supports 2.5-inch U.2 NVMe SSD drives
Operating: -40°C to 85°C
No driver installation required
🔧Technical Specifications
| Brand | Lekuo 乐扩 |
| Product Model | IO-PCE8639A-U2 |
| Host Interface | PCIe 4.0 x4 |
| Slot Compatibility | x4/x8/x16 slots |
| Output Interface | U.2 (SFF-8639) |
| Supported Device | 2.5" U.2 NVMe SSD |
| Board Size | 132 x 90mm |
| Net Weight | 59g |
| Operating Temp | -40°C ~ 85°C |
| Storage Temp | -65°C ~ 150°C |
💡Application Scenarios
Enterprise storage expansion
Professional performance boost
Enterprise storage solutions
High-speed storage upgrade
📦Package Contents
- ✓1x PCIe x4 to U.2 SFF-8639 Adapter Card
- ✓1x User Manual
🔌Easy Installation
Plug & Play Ready
Simply insert the adapter into your PCIe x4/x8/x16 slot and connect your U.2 SSD.
No driver installation required!
❓Frequently Asked Questions
What is a U.2 SSD and how does it differ from M.2?
U.2 (SFF-8639) is an enterprise-grade interface for 2.5-inch NVMe SSDs, offering higher power delivery and better cooling than M.2. U.2 drives are hot-swappable and commonly used in servers and workstations for their reliability and performance.
Does this adapter support PCIe 4.0 speeds?
Yes! This adapter supports PCIe 4.0 x4 speeds, providing up to 64 Gbps bandwidth. It's also backward compatible with PCIe 3.0 systems for maximum flexibility.
Will this work in a PCIe x8 or x16 slot?
Yes! This PCIe x4 adapter is compatible with x8 and x16 slots. It will work in any PCIe slot that is x4 or larger, providing maximum flexibility for your system configuration.
What U.2 SSDs are compatible with this adapter?
This adapter supports all standard 2.5-inch U.2 NVMe SSDs with SFF-8639 connectors, including enterprise drives from Intel, Samsung, Micron, Kioxia, and other manufacturers. It's ideal for repurposing enterprise SSDs in desktop systems.
Does the adapter provide power to the U.2 SSD?
Yes! The adapter delivers power through the PCIe slot to the U.2 SSD via the SFF-8639 connector. No additional power cables are required, making installation clean and simple.
What is the operating temperature range?
This adapter has an operating temperature range of -40°C to 85°C, suitable for server and data center environments. Storage temperature range is -65°C to 150°C.
What is the warranty period?
This product comes with a 1-year manufacturer warranty.