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Green circuit board with four U.2 connectors and a silver bracket

SMUGDESK

SMUGDESK PCIe 3.0 x4 x8 to 4-Port U.2 NVMe SSD Expansion Riser Card

SKU CH-VZ6F-HZBBY

Adds four U.2 NVMe ports through one PCIe 3.0 x4 or x8 slot for high-capacity storage arrays

  • Expands a PCIe 3.0 x4 or x8 slot to four U.2 ports for multi-drive NVMe capacity
  • PCIe Gen3 bandwidth per channel delivers full NVMe read and write speed without bottlenecks
  • Thickened PCB and reserved heat-dissipation area maintain stable temperatures under heavy multi-disk load
  • Standard full-height bracket fits most ATX server chassis and workstation cases for straightforward installation
  • Plug-and-play on mainstream Windows and Linux systems with simple driver recognition

Four U.2 NVMe expansion

This SMUGDESK riser card occupies a single PCIe 3.0 x4 or x8 slot and provides four independent U.2 connectors for NVMe solid state drives. It enables simultaneous operation of four drives at full Gen3 bandwidth without bottlenecks. The card uses an industrial-grade PCB with reserved heat dissipation area for stable multi-disk loads. Plug-and-play driver recognition works on mainstream Windows and Linux systems.

Server and workstation builders

The card suits administrators expanding file servers, NAS appliances, workstations or storage arrays that need high-speed U.2 NVMe capacity in a single slot. It is not for systems lacking a free PCIe 3.0 x4 or x8 slot, nor for builders who require M.2 or other drive interfaces. The full-height bracket demands a chassis with standard bracket clearance.

PCIe 3.0 x4 or x8 host slot

Compatibility hinges on the host providing a PCIe 3.0 x4 or x8 slot; each of the four U.2 ports then delivers full NVMe speed over the Gen3 link. Without that slot type the card cannot be installed or will not operate at the rated bandwidth.

How it compares

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

Price $25.99
Pricier than about 58% 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

Will this PCIe 3.0 x4 x8 riser card work in an older motherboard that only has a PCIe 2.0 x8 slot?

The card is designed for PCIe 3.0 x4 or x8 slots; it will physically fit in a PCIe 2.0 x8 slot but each U.2 port will run at Gen2 speeds instead of the full Gen3 bandwidth.

How can I verify all four U.2 NVMe drives are recognised and running at PCIe 3.0 speeds after installation?

In Windows open Device Manager or run 'nvme list' in Linux; each drive should appear as a separate NVMe controller linked at PCIe 3.0 x1 per port.

Does the package include U.2 data cables or drive mounting brackets, or must they be purchased separately?

The card ships as the expansion board with a full-height bracket only; U.2 cables and 2.5" drive trays or brackets are not included and must be sourced separately.

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