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Bare circuit board adapter with USB Type-A plug and M.2 slot for NVMe SSD

Enfain

Enfain NVMe to USB 3.1 Type-A Adapter JMS583

SKU CH-VVYP-Q3TFA

Bare-card adapter connects an M.2 NVMe SSD to USB 3.1 Type-A using a JMS583 chip, with no enclosure for better heat dissipation

Model Type-C/USB to Type-C

  • Bare card design plugs straight into USB port, no enclosure wiring needed
  • Open layout improves heat dissipation for NVMe SSD operation
  • JMS583 chip enables USB 3.1 Type-A connection for NVMe drives
  • Works with USB 2.0 and 3.0 ports at respective speeds
  • Supports PCIe protocol M.2 NVMe SSDs, not AHCI or SATA

Bare card NVMe to USB 3.1 adapter

The Enfain JMS583 adapter is a bare circuit board that lets you plug a PCIe NVMe M.2 SSD straight into a USB 3.1 Type-A port. It is aimed at technicians and hobbyists who need quick, driver-free access to NVMe storage without opening a chassis or using an enclosure.

Sustained transfer behaviour

The JMS583 bridge runs at USB 3.1 speeds and falls back to USB 3.0 and 2.0 when connected to older ports. Throughput stays consistent for the duration of the host controller session, limited only by the SSD and the USB link rather than by thermal throttling on the adapter itself.

Thermals noise and power

With no shell the SSD sits in open air, so its own heat dissipates directly instead of building up inside a case. The adapter draws power solely from the USB bus, adds no fan noise, and introduces negligible extra load beyond the drive’s normal consumption.

Highlights

  • Bare card design plugs straight into USB port, no enclosure wiring needed
  • Open layout improves heat dissipation for NVMe SSD operation
  • JMS583 chip enables USB 3.1 Type-A connection for NVMe drives
  • Works with USB 2.0 and 3.0 ports at respective speeds
  • Supports PCIe protocol M.2 NVMe SSDs, not AHCI or SATA

Specifications

No published specifications for this item yet.

Other versions of this model

1 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Does the bare JMS583 card run hot when an NVMe drive is plugged in all day?

The open-card layout lets air reach the NVMe drive directly, so heat escapes without a shell trapping it.

What host port must my computer have to use this Type-A adapter?

A USB 3.1, 3.0 or 2.0 Type-A port is required; the adapter plugs straight in.

Will a SATA M.2 drive work in this JMS583 adapter?

No — the JMS583 chip only supports PCIe NVMe M.2 drives, not SATA or AHCI protocols.

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