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

SMUGDESK

SMUGDESK PCIe 4.0 x16 to U.2 NVMe Adapter Card

SKU CH-NXW6-S0TWW

Connects U.2 NVMe SSDs via PCIe 4.0 x16 for 64Gbps speeds, also works in X4 and X8 slots at 32Gbps with PCIe 3.0

  • PCIe 4.0 delivers 64 Gbps bandwidth for fast data transfer
  • PCIe 3.0 provides 32 Gbps throughput for high-speed storage
  • Fits X4, X8 and X16 slots for broad motherboard compatibility
  • Dedicated U.2 NVMe interface expands high-speed storage capacity
  • Plug-and-play installation works in desktop, server and workstation

PCIe 4.0 x16 to U.2 NVMe Adapter

This PCIe 4.0 x16 adapter card connects a U.2 NVMe SSD to a desktop, server or workstation motherboard. It fits PCIe X4, X8 and X16 slots for broad platform compatibility. The card provides a dedicated high-speed interface for enterprise-grade storage expansion. Installation is plug-and-play without additional drivers or software.

Sustained throughput at 64Gbps on PCIe 4.0

The adapter maintains 64Gbps bandwidth when installed in a PCIe 4.0 slot, dropping to 32Gbps on PCIe 3.0 platforms. Its optimised circuit layout preserves signal integrity during continuous heavy I/O workloads. This stability suits database, virtualisation and content-creation tasks that demand consistent throughput. No performance throttling is introduced by the adapter itself.

Passive cooling with minimal power draw

The card operates without active cooling, relying on case airflow for thermal management. Power consumption is limited to the slot interface, adding negligible load to the system. Silent operation is assured because no fan or moving parts are present. The low-profile bracket fits standard chassis without obstructing adjacent slots.

How it compares

Measured against everything we stock in SATA, IDE & M.2 Drive Adapters, at today’s prices. Recalculated every night.

Price $26.99
Pricier than about 60% of the 1,721 comparable items (median $22.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How much heat or noise does the PCIe 4.0 x16 adapter produce when a U.2 NVMe SSD runs continuously?

The card itself is passive and silent; thermal output depends on the installed U.2 NVMe SSD and the chassis airflow around it.

What must I already have for this adapter to work with a U.2 NVMe drive?

You need a motherboard with a free PCIe X4, X8 or X16 slot and a U.2 NVMe SSD plus its cable.

Will the card run at 64 Gbps if my platform only supports PCIe 3.0?

In a PCIe 3.0 slot the link operates at 32 Gbps; it steps up to 64 Gbps only when the slot provides PCIe 4.0 signalling.

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