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StarTech U.2 NVMe SSD to 2.5" PCIe Adapter

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Get ultra-fast data access by adding an NVMe U.2 SSD to your computer. This U.2 to PCIe adapter lets you add a high-speed, U.2 (4-lane PCIe) 2.5" NVMe SSD, such as the Intel® 750 Series drive, to a PC with an available x4 PCI Express expansion slot.

You can mount the PCIe U.2 drive directly onto the adapter, giving you an easy and convenient way to improve your system performance and expand overall internal storage.


  • Boost system speed and performance by adding a PCIe NVMe IJ.2 SSD to your pc
  • Simplify system builds with a IJ.2 to PCIe adapter that mounts your SSD directly to the adapter with no need for adapter cables
  • PCI Express 3.0 x4 lane host adapter
  • Compatible with x4 PCIe 3.0 motherboards, and backward compatible with PCIe 2.0 and 1.0
  • OS independent with no drivers required, for a fast, hassle-free setup
  • Upgrade your data-center or enterprise-level applications with U.2 NVMe SSD capability
  • Utilize the advanced performance of a PCIe U.2 NVMe 2.5 in. SSD for intensive data workloads
  • Work with large files more efficiently for audio/video production and editing
  • Enhance productivity for data-heavy applications, ideal for developers and content creators

Boost your system speed and performance
The expansion card lets you take full advantage of the fast performance and compact size of PCIe U.2 internal solid-state drives. The adapter connects directly to your computer motherboard to support an NVMe U.2 PCIe-based SSD through ultra-fast x4 PCIe. With the U.2 PCIe-based drive in place, the adapter gives your computer a significant speed boost.

Easy to install
The expansion card is equipped with a full-profile bracket and doesn’t require an adapter cable for installation, this helps to reduce clutter and simplifies system builds. The drive connects directly to the SFF-8639 connector on the adapter, and the adapter connects directly to the computer motherboard.

The adapter is compatible with PCIe 3.0 motherboards and is also backward compatible with PCIe 2.0 and PCIe 1.0.

The PEX4SFF8639 is backed by a StarTech.com 2-year warranty and free lifetime technical support.


  • Warranty Information:
    • Warranty: 2 Years
  • Hardware:
    • Bus Type: PCI Express
    • Compatible Drive Types: U.2 (PCIe, NVMe, SFF-8639)
    • Drive Installation: Fixed
    • Drive Size: 2.5in
    • Fan(s): No
    • Interface: PCI Express
    • Number of Drives: 1
    • Supported Drive Height(s):
      • 15mm
      • 12.5mm
      • 9.5mm
      • 7mm
      • 5mm
  • Performance:
    • Hot Swap Capability: No
  • Connector(s):
    • Drive Connectors: 1 – U.2 (PCIe, NVMe, SFF-8639)
    • Host Connectors: 1 – PCI Express x4 Male
  • Software:
    • OS Compatibility: OS independent; No software or drivers required
  • Indicators:
    • LED Indicators: 1 – Activity Terminal/Header
  • Environmental:
    • Humidity: 15% ~ 90% RH
    • Operating Temperature: 5°C to 50°C (41°F to 122°F)
    • Storage Temperature: –25°C to 70°C (-13°F to 158°F)
  • Physical Characteristics:
    • Color: Red
    • Product Height: 0.9 in [2.2 cm]
    • Product Length: 6.5 in [16.5 cm]
    • Product Width: 4.8 in [12.2 cm]
    • Weight of Product: 2.3 oz [65 g]
  • Packaging Information:
    • Package Height: 1.8 in [45 mm]
    • Package Length: 8.7 in [22 cm]
    • Package Width: 6.3 in [16 cm]
    • Shipping (Package) Weight: 5.7 oz [161 g]
  • What's in the Box:
    • Included in Package:
      • 1 – drive adapter card
      • 4 – drive-mounting screws
      • 1 – quick-start guide
Release date NZ
March 9th, 2020
Manufacturer code:
Warranty Period
2 Years
Box Dimensions (mm)
Product ID

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