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Green rectangular circuit board with two SSD slots and USB 3.0 port

SMUGDESK

SMUGDESK 2-in-1 mSATA & M.2 SATA SSD to USB 3.0 Adapter Card

SKU CH-KGFX-G7JC0

Converts idle mSATA or M.2 SATA SSDs (2230/2242/2260/2280) into portable USB 3.0 storage with a built-in mode switch and included USB-SATA cable

  • Dual-slot design reads both mSATA and M.2 SATA SSDs
  • Toggle switch selects mSATA or M.2 mode for single-drive operation
  • USB 3.0 up to 5Gbps with UASP speeds up file backup and disk cloning
  • Driver-free plug-and-play with hot-swap support on Windows, Mac OS and Linux
  • Included USB-to-SATA cable turns spare laptop SSDs into portable external storage

Dual-slot mSATA & M.2 SATA adapter

This USB 3.0 adapter accepts full or half-size mSATA SSDs and B-key or B+M-key M.2 SATA modules in 2230, 2242, 2260 and 2280 lengths. A hardware toggle selects which slot is active so only one drive operates at a time. It is aimed at users who want to repurpose spare laptop SSDs as portable external storage for data recovery or file archiving.

USB 3.0 5 Gbps interface limit

The connection tops out at USB 3.0 5 Gbps with UASP acceleration for faster file backup and disk cloning. SATA SSDs capable of higher throughput will be bottlenecked by this ceiling. Hot-swap is supported on Windows, Mac OS and Linux without extra drivers, but the link speed remains the hard ceiling for every attached drive.

Single active slot constraint

Only one drive — either the mSATA or the M.2 SATA device — can be accessed at once because the mode switch physically disconnects the inactive slot. Buyers who need simultaneous access to two SSDs cannot use this adapter for that purpose.

How it compares

Measured against everything we stock in USB Adapter Cables & Dongles, at today’s prices. Recalculated every night.

Price $19.99
Pricier than about 70% of the 1,430 comparable items (median $14.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Should I pick the mSATA slot or the M.2 slot for my drive?

The adapter has a toggle switch; use the mSATA slot for full or half-size mSATA SSDs and the M.2 slot for B or B+M key SATA drives in 2230, 2242, 2260 or 2280 lengths. Only one drive operates at a time.

What does the 5 Gbps USB 3.0 rating deliver in real transfers?

The USB 3.0 link runs at up to 5 Gbps with UASP acceleration, so a SATA SSD will hit its native sequential read and write ceiling rather than being limited by the adapter.

Does the USB 3.0 interface cap the speed of a fast SATA SSD?

USB 3.0 at 5 Gbps matches the practical throughput of a SATA III drive, so the adapter does not bottleneck typical mSATA or M.2 SATA SSDs during cloning or backup.

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