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Main image of AJMRTC PCIe 4.0 X1 to U.2 U.3 SFF-8639 Host Adapter, NVMe Storage Expansion Card Compatible with Samsung PM1735 U.2 / U.3 Enterprise SSD

Alt view image 2 of 7 - AJMRTC PCIe 4.0 X1 to U.2 U.3 SFF-8639 Host Adapter, NVMe Storage Expansion Card Compatible with Samsung PM1735 U.2 / U.3 Enterprise SSD

Alt view image 3 of 7 - AJMRTC PCIe 4.0 X1 to U.2 U.3 SFF-8639 Host Adapter, NVMe Storage Expansion Card Compatible with Samsung PM1735 U.2 / U.3 Enterprise SSD

Alt view image 4 of 7 - AJMRTC PCIe 4.0 X1 to U.2 U.3 SFF-8639 Host Adapter, NVMe Storage Expansion Card Compatible with Samsung PM1735 U.2 / U.3 Enterprise SSD

Alt view image 5 of 7 - AJMRTC PCIe 4.0 X1 to U.2 U.3 SFF-8639 Host Adapter, NVMe Storage Expansion Card Compatible with Samsung PM1735 U.2 / U.3 Enterprise SSD

Alt view image 6 of 7 - AJMRTC PCIe 4.0 X1 to U.2 U.3 SFF-8639 Host Adapter, NVMe Storage Expansion Card Compatible with Samsung PM1735 U.2 / U.3 Enterprise SSD

Alt view image 7 of 7 - AJMRTC PCIe 4.0 X1 to U.2 U.3 SFF-8639 Host Adapter, NVMe Storage Expansion Card Compatible with Samsung PM1735 U.2 / U.3 Enterprise SSD

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AJMRTC PCIe 4.0 X1 to U.2 U.3 SFF-8639 Host Adapter, NVMe Storage Expansion Card Compatible with Samsung PM1735 U.2 / U.3 Enterprise SSD

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- PCIe 4.0 x1 host interface, fits PCIe X1 / X4 / X8 / X16 motherboard slots
- Single SFF-8639 port, supports both U.2 and U.3 tri-mode NVMe SSD
- Optimized for Samsung PM1735 enterprise NVMe SSD for server & workstation storage
- Native PCIe NVMe pass-through design, no extra chip conversion, driver-free
- Does NOT support SATA or SAS drives; only works with NVMe U.2 / U.3 SSD

Overview

Specs

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AJMRTC PCIe 4.0 x1 to U.2 / U.3 SFF-8639 adapter adds one enterprise-grade SFF-8639 port to your motherboard. It is tailored for Samsung PM1735 U.2 / U.3 NVMe SSD. U.3 tri-mode SFF-8639 connector supports NVMe signaling. It uses transparent PCIe passthrough, no driver installation required. Please note bandwidth is limited to PCIe 4.0 x1 speed, and SAS / SATA drives are not compatible. Great for compact server, NAS and workstation storage expansion.

Specifications

Brand: AJMRTC
Host Interface: PCIe 4.0 X1
Drive Port: U.2 / U.3 SFF-8639
Compatible SSD: Samsung PM1735 NVMe U.2 / U.3 SSD
Unsupported: SATA, SAS SSD & HDD
Protocol: NVMe
Mounting: Standard Full Height Bracket
Operation: Plug and Play, Native NVMe Passthrough
Supported OS: Windows, Linux
Application: Server, Workstation, NAS Storage Upgrade

Additional Information
First Listed on Newegg	October 29, 2026

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Warranty, Returns, And Additional Information

Warranty

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Return Policies

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#: 9SIC9FFM9N1116