StarTech PEX4SFF8639

U.2 to PCIe Adapter - x4 PCIe for NVMe SSD

The StarTech PEX4SFF8639 is a U.2 to PCIe adapter that lets IT professionals and system builders integrate U.2 NVMe SSDs into PCIe-based systems. Perfect for boosting storage performance in high-speed computing environments, this adapter delivers fast, direct connectivity without the need for specialized hardware controllers.

Features

Built with a PCIe 3.0 x4 interface, the PEX4SFF8639 unlocks the full performance potential of U.2 (SFF-8639) NVMe SSDs, enabling ultra-fast read/write speeds for demanding workflows.The adapter is plug-and-play, requires no drivers, and fits in standard or low-profile systems×making it a versatile upgrade for custom builds, servers, and data-intensive workstations.

Advanced Options

Designed for maximum compatibility, this PCIe adapter card supports x4, x8, and x16 slots and includes both full-height and low-profile brackets for wide-ranging deployment. It is an ideal solution for enterprises looking to leverage NVMe SSD.

Product Key Features

• • Converts a U.2 (SFF-8639) NVMe SSD to PCIe interface

  • PCIe 3.0 x4 interface for high-speed data transfer

  • Ideal for adding NVMe storage to servers or workstations

  • No driver installation required - plug and play

  • Full-height bracket pre-installed (low-profile included)

  • Compatible with PCIe x4, x8, and x16 slots

Reliability & Performance

speeds in standard PCIe expansion environments, with the durability and simplicity trusted by IT professionals.The StarTech PEX4SFF8639 is a U.2 to PCIe adapter that lets IT professionals and system builders integrate U.2 NVMe SSDs into PCIe-based systems.

Key Features :

• • Converts U.2 (SFF-8639) NVMe SSD to PCIe 3.0 x4

  • Supports PCIe x4, x8, x16 slots

  • Plug-and-play with no driver needed

  • Full-height and low-profile brackets included

  • Ideal for workstations, servers, and storage arrays

  • Boosts data throughput with direct PCIe bus access

Specification	Details
Model Number	PEX4SFF8639
Product Type	U.2 (SFF-8639) to PCIe Adapter Card
Interface	PCI Express 3.0 x4
Drive Compatibility	U.2 (SFF-8639) NVMe SSDs
Host Slot Compatibility	PCIe x4, x8, x16
Form Factor	Full-height bracket (low-profile included)
OS Compatibility	OS independent (no driver required)
Hot Swap Support	No
Chipset ID	None (pass-through adapter)
Dimensions	5.2 x 4.7 in (132 x 120 mm)
Weight	0.2 lb (90 g)