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Main image of AJMRTC U.2 SFF-8639 SSD to PCIe 3.0 X4 Adapter Kit, NVMe PCIe Storage Converter Card, Compatible with Motherboard, Intel 750 Series U.2 & M.2 U.2 NVMe SSD

Alt view image 2 of 7 - AJMRTC U.2 SFF-8639 SSD to PCIe 3.0 X4 Adapter Kit, NVMe PCIe Storage Converter Card, Compatible with Motherboard, Intel 750 Series U.2 & M.2 U.2 NVMe SSD

Alt view image 3 of 7 - AJMRTC U.2 SFF-8639 SSD to PCIe 3.0 X4 Adapter Kit, NVMe PCIe Storage Converter Card, Compatible with Motherboard, Intel 750 Series U.2 & M.2 U.2 NVMe SSD

Alt view image 4 of 7 - AJMRTC U.2 SFF-8639 SSD to PCIe 3.0 X4 Adapter Kit, NVMe PCIe Storage Converter Card, Compatible with Motherboard, Intel 750 Series U.2 & M.2 U.2 NVMe SSD

Alt view image 5 of 7 - AJMRTC U.2 SFF-8639 SSD to PCIe 3.0 X4 Adapter Kit, NVMe PCIe Storage Converter Card, Compatible with Motherboard, Intel 750 Series U.2 & M.2 U.2 NVMe SSD

Alt view image 6 of 7 - AJMRTC U.2 SFF-8639 SSD to PCIe 3.0 X4 Adapter Kit, NVMe PCIe Storage Converter Card, Compatible with Motherboard, Intel 750 Series U.2 & M.2 U.2 NVMe SSD

Alt view image 7 of 7 - AJMRTC U.2 SFF-8639 SSD to PCIe 3.0 X4 Adapter Kit, NVMe PCIe Storage Converter Card, Compatible with Motherboard, Intel 750 Series U.2 & M.2 U.2 NVMe SSD

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AJMRTC U.2 SFF-8639 SSD to PCIe 3.0 X4 Adapter Kit, NVMe PCIe Storage Converter Card, Compatible with Motherboard, Intel 750 Series U.2 & M.2 U.2 NVMe SSD

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- PCIe 3.0 x4 32Gbps bandwidth, backward compatible with PCIe 2.0 / 1.0
- Supports Intel 750 U.2, standard 2.5" U.2 SFF-8639 and M.2 U.2 NVMe SSD
- Passive signal passthrough design, driver-free and supports NVMe boot
- Fits PCIe x4/x8/x16 slot, full-height PCI bracket included
- SATA SSD, SATA protocol U.2 drives are NOT supported

Overview

Specs

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AJMRTC U.2 SFF-8639 adapter kit converts an available PCIe 3.0 x4 slot into a U.2 SFF-8639 port. It works with Intel 750 series, common 2.5-inch U.2 and M.2 U.2 NVMe SSDs. It is a passive riser board without extra controller chip, delivering stable high-speed NVMe transmission. It is an ideal storage upgrade solution for motherboards without native U.2 ports for workstation, desktop and server builds.

Specifications

Brand: AJMRTC
Model: AM-U28639-PCI3X402
Host Interface: PCIe 3.0 x4, compatible x4/x8/x16 slot
Drive Port: U.2 SFF-8639 Female
Supported SSD: 2.5" U.2 NVMe, M.2 U.2 NVMe, Intel 750 series
Unsupported: SATA U.2, SATA SSD
Bandwidth: 32Gbps (PCIe3.0 x4)
Bracket: Full height PCI bracket
Working Mode: Passive signal pass-through
Boot Support: NVMe bootable
Application: Desktop Motherboard, Workstation, Server, High Speed Storage Upgrade

Additional Information
First Listed on Newegg	October 29, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

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Return for refund within: 30 days
Return for replacement within: non-replaceable
This item is covered by ‌ConnectFlow USA Return Policy

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Item#: 9SIC9FFM9N0191