StarTech U.2 TO PCIE ADAPTER FOR 2.5IN U.2 NVME SSD(PEX4SFF8639) (2 Years Manufacture Local Warranty In Singapore)

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StarTechSKU: PEX4SFF8639
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StarTech U.2 TO PCIE ADAPTER FOR 2.5IN U.2 NVME SSD(PEX4SFF8639) (2 Years Manufacture Local Warranty In Singapore)

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 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.

Mount a 2.5" U.2 NVMe SSD into your desktop computer or server, using an available PCIe expansion slot

  • Boost system speed and performance by adding a PCIe NVMe U.2 SSD to your PC
  • Simplify system builds with a U.2 to PCIe adapter that mounts your SSD directly to the adapter, with no need for adapter cables
  • PCI Express 4.0 x4 lane host adapter
  • Compatible with x4 PCIe 4.0 motherboards, and backward compatible with PCIe 3.0 / 2.0 / 1.0
  • OS independent with no drivers required, for a fast, hassle-free setup

Technical Specifications


Additional Information
    • Bus Type PCI Express
    • Compatible Drive Types U.2 (SFF-8639, x4 PCIe, NVMe)
    • Drive Installation Fixed
    • Drive Size 2.5in
    • Fan(s) No
    • Interface PCI Express
    • Number of Drives 1
    • 1 - U.2 (SFF-8639, x4 PCIe, NVMe) Host Connectors
    • 1 - PCI Express x4 Male
Certifications & Standards
    • CE
    • FCC
Country of Origin Taiwan
Environmentally Friendly Yes
TAA Compliant Yes
Physical Characteristics
Weight (Approximate) 65.2 g
Length 165.1 mm
Height 22.9 mm
Width 121.9 mm
Product Color Red
Product Material Steel
General Information
Product Type U.2 to PCI Express Adapter
Manufacturer Part Number PEX4SFF8639
Manufacturer Website Address
Packaged Quantity 1
Product Name U.2 to PCIe Adapter for 2.5" U.2 NVMe SSD - SFF-8639 - x4 PCI Express 3.0
Brand Name



Quick Start Guide - pex4sff8639_manual.pdf

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