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Green circuit board with U.2 connector and PCIe gold fingers

Vszerda

Vszerda PH46 PCIe 3.0 X4 to U.2 SFF-8639 Adapter Card NVME

SKU CH-W4W3-Q2KJQ MPN PH46

Adds a U.2 NVME drive to a PCIe 3.0 x4 slot with x4/x8/x16 compatibility

  • Adds U.2 NVME storage via PCIe 3.0 X4 link
  • Fits X4, X8 or X16 motherboard slots
  • Works with Windows, macOS and Linux without drivers
  • Gold-plated contacts give a stable, drop-free connection
  • Hollow design aids heat dissipation during long use

PCIe 3.0 x4 to U.2 SFF-8639 adapter

This adapter connects a U.2 NVME SSD to a motherboard PCIe 3.0 x4 lane via an x4, x8 or x16 slot. It uses a PCIe 3.0 x4 interface with thickened gold-plated contacts for a stable connection. The hollow design assists heat dissipation during sustained workloads. No driver installation is required for operation.

Compatibility and use cases

The card suits builders adding enterprise U.2 storage to consumer or workstation boards with a free PCIe slot. It supports Windows, MacOS and Linux systems without extra software. Buyers needing to connect M.2 form-factor drives should look elsewhere, as the SFF-8639 connector is keyed for U.2 devices only. Systems lacking any PCIe x4, x8 or x16 slot cannot use this adapter.

PCIe 3.0 x4 host interface

The adapter communicates with the host over a PCIe 3.0 x4 electrical link, limiting the drive to Gen 3 x4 bandwidth. The edge connector fits x4, x8 or x16 physical slots. The SFF-8639 receptacle accepts U.2 NVME SSDs directly. This host link width is the single specification that determines whether the drive can reach its rated throughput.

How it compares

Measured against everything we stock in Tech Gadgets & Accessories, at today’s prices. Recalculated every night.

Price $29.99
Pricier than about 60% of the 5,998 comparable items (median $24.99).

Specifications

No published specifications for this item yet.

Questions about this item

Will the PH46 fit in a PCIe x8 or x16 slot on my motherboard?

The card uses a PCIe 3.0 x4 edge connector and is compatible with x4, x8 or x16 slots.

Do I need to install any drivers for the PH46 on Windows, macOS or Linux?

No driver is required; the adapter works natively with Windows, macOS and Linux.

How does the hollow design affect long-term use of the U.2 NVME SSD?

The open layout improves heat dissipation so the drive stays stable during extended high-temperature operation.

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