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Green PCIe card with gold edge connector and silver aluminum heatsink

SMUGDESK

SMUGDESK P521 PCIe 5.0 x4 to M.2 NVMe Adapter Card 128Gbps

SKU CH-WN5Q-QV7AY

Adds an M.2 NVMe slot at PCIe 5.0 x4 speed with 128Gbps bandwidth, remote boot support, gold-plated PCB and an aluminium heatsink

  • PCIe 5.0 x4 interface delivers up to 128Gbps transfer speed
  • Remote boot function enables flexible server and system deployment
  • Gold-plated PCB enhances conductivity for stable signal transmission
  • Aluminum heatsink provides efficient heat dissipation during operation
  • Compact structure allows easy installation for reliable storage expansion

PCIe 5.0 x4 NVMe adapter for workstations

The SMUGDESK P521 adds a single M.2 NVMe slot to a PCIe 5.0 x4 slot, delivering up to 128Gbps bandwidth. It targets workstation and server builds that need high-speed local storage without replacing the motherboard. Remote boot support simplifies deployment in managed environments. A gold-plated PCB and aluminium heatsink maintain signal integrity and thermal stability under sustained load.

Check slot generation and M.2 key before ordering

Verify the host system provides a PCIe 5.0 x4 electrical connection; earlier generations will limit throughput. Confirm the M.2 drive uses an M-key NVMe interface, as other keyings will not fit or function. Ensure the chassis has enough clearance for the card and its heatsink assembly. No additional power connectors are required beyond the slot itself.

Gold-plated PCB and aluminium heatsink for daily

The gold-plated PCB reduces contact resistance for consistent signal quality over repeated insertions. An integrated aluminium heatsink draws heat away from the NVMe drive during prolonged transfers, preventing throttling in compact cases. The low-profile bracket fits standard full-height slots without blocking adjacent cards. Solid construction suits continuous operation in professional workstations and servers.

How it compares

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

Price $27.99
Pricier than about 62% 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

Does the SMUGDESK P521 adapter include the M.2 NVMe drive or must I supply it separately?

The P521 is the adapter card only; an M.2 NVMe SSD must be purchased separately to complete the installation.

Which PCIe generation should my motherboard support to reach the advertised 128Gbps throughput?

A PCIe 5.0 x4 slot is required to achieve the full 128Gbps bandwidth; earlier generations will operate at their native speeds.

How does the aluminum heatsink affect sustained write performance in a workstation?

The heatsink draws heat away from the installed NVMe drive, helping maintain consistent speeds during prolonged heavy workloads.

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