Description
🏆 PROFESSIONAL U.2/U.3 NVME SOLUTION – NOT A BASIC ADAPTER
Premium cable-based design for professionals who demand signal integrity, thermal management, and installation flexibility.
Why Choose This Over Direct-Mount Adapters?
🔸 Guaranteed Gen4 Performance
The integrated ReDriver chip actively regenerates the PCIe 4.0 signal over the 50cm cable, ensuring zero speed degradation. Direct-mount adapters rely on passive connections that can suffer signal loss at Gen4 speeds (8000 MB/s), especially in electrically noisy environments or when slots are buried deep in the motherboard.
🔸 Superior Thermal Management
Position your U.2/U.3 SSD in a dedicated 2.5″ drive bay with proper airflow, away from the heat generated in the PCIe slot area. This is crucial for:
- Intel Optane drives (900P/905P/P5800X) that run extremely hot
- Enterprise SSDs designed for server airflow
- Multi-GPU workstations where PCIe areas reach 50°C+
- 24/7 operation where thermal throttling impacts performance
🔸 Installation Flexibility
The 50cm cable length enables professional cable management and optimal drive positioning:
- Mount drives in 2.5″ bays while card is in a buried PCIe slot
- Essential for Threadripper/EPYC builds with multiple GPUs
- Works in cases where direct-mount would hit side panels or coolers
- Allows proper drive mounting in server racks and workstation chassis
- Reduces mechanical stress on both PCIe slot and drive connector
🔸 Enterprise Reliability
Cable-based design is standard in enterprise servers for good reason:
- Reduces physical stress on expensive U.2/U.3 drives
- Easier drive replacement without disturbing PCIe cards
- Better vibration isolation in server environments
- Professional-grade connector quality throughout
✅ U.2 AND U.3 COMPATIBILITY
This adapter supports both U.2 and U.3 NVMe SSDs:
- U.2 drives: Full native support
- U.3 drives: Full NVMe mode support (U.3 drives auto-negotiate to NVMe when connected to PCIe)
U.3 drives use the same SFF-8639 connector and are backward compatible. Common U.3 drives include Intel Optane P5800X, Samsung PM9A3, Kioxia CM7, and Micron 7450.
Note: U.3 drives connected via this adapter operate in NVMe mode. SAS functionality requires a SAS HBA controller.
Technical Specifications
| Interface | PCIe 4.0 x4 to Oculink (SFF-8612) with integrated ReDriver |
| Cable Included | 50cm Oculink SFF-8611 to U.2/U.3 SFF-8639 |
| Supported Slots | PCIe x4, x8, x16 (auto-negotiation) |
| Maximum Speed | 8000 MB/s (PCIe 4.0 x4 full bandwidth) |
| Signal Enhancement | Active ReDriver chip for signal integrity |
| NVMe Compliance | NVMe Express 1.2a and newer |
| OS Compatibility | Windows 7/8/8.1/10/11, Linux, UEFI 2.3.1+, VMware ESXi |
| Form Factor | Full-height and low-profile brackets included |
| Dimensions | Card: 79.3 x 60mm, Cable: 50cm |
Ideal Applications
- ✅ Server builds utilizing enterprise U.2/U.3 SSDs
- ✅ AMD Threadripper / Intel HEDT workstations
- ✅ Intel Optane 900P/905P/P5800X enthusiast systems
- ✅ Professional video editing with high-speed storage
- ✅ Storage controller expansion (RAID, HBA)
- ✅ High-performance computing clusters
- ✅ Rack server and tower server builds
- ✅ Any build requiring thermal optimization
Package Contents
- ✔️ 1x PCIe Gen4 x4 to Oculink adapter card with ReDriver
- ✔️ 1x 50cm Oculink to U.2/U.3 cable (SFF-8611 to SFF-8639)
- ✔️ 1x Full-height PCIe bracket (pre-installed)
- ✔️ 1x Low-profile PCIe bracket
- ✔️ User manual
Compatible Drives
U.2 NVMe SSDs
Intel Optane: 900P, 905P, P4800X, P4801X
Samsung: PM1733, PM1735
Kioxia: CM6
Micron: 9300, 9400
Western Digital: Ultrastar DC SN640, SN840
U.3 NVMe SSDs (operates in NVMe mode)
Intel Optane: P5800X, P5801X
Samsung: PM9A3, PM1733a
Kioxia: CM7, CD7
Micron: 7450, 7400
Western Digital: Ultrastar DC SN650, SN655
+ All other standard U.2/U.3 NVMe SSDs with SFF-8639 connector
⚠️ NOT COMPATIBLE: M.2 drives or SATA SSDs. This adapter is specifically for U.2/U.3 NVMe drives with SFF-8639 connectors.
Who Is This For?
This adapter is designed for professionals and enthusiasts who:
- ✓ Understand the value of signal integrity at Gen4 speeds
- ✓ Need flexible drive positioning for thermal or physical reasons
- ✓ Are building server/workstation systems with enterprise SSDs
- ✓ Want a reliable, long-term solution over the cheapest option
- ✓ Require professional cable management in complex builds
- ✓ Work with Intel Optane or high-performance U.3 drives
If you’re looking for the absolute cheapest U.2 adapter and don’t care about these benefits, a basic direct-mount adapter may be adequate for your needs.
🚀 Upgrade Your System with Enterprise-Grade Storage
Transform your workstation or server with U.2/U.3 NVMe storage that maintains peak performance through superior design and engineering.
📦 UK Stock – Fast Dispatch
- ✓ Ships from UK warehouse
- ✓ Professionally packaged to prevent damage
- ✓ Technical support available via email
- ✓ Trusted seller with 99.5% positive feedback








