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Small green circuit board with M.2 edge connector and microSD slot

Fervit

Fervit NGFF B-Key 22x42mm M.2 to Micro SD Adapter

SKU CH-XS4D-8PF6H

Converts a micro SD card into a 2242 M.2 SATA SSD using a S682 chipset with driver-free operation across multiple operating systems

  • Converts microSD to M.2 SATA SSD using S682 chipset
  • Works with DOS, Windows 98 through 11 and Linux
  • SATA Gen1 1.5 Gbps and Gen2 3.0 Gbps supported
  • Driver-free plug-and-play with BIOS and OS cold-plug operation
  • Fits 22x42 mm M.2 slot in desktops and notebooks

Purpose and audience

This Fervit adapter converts a micro SD card into a 2242 SATA M.2 SSD using a Sage S682 chipset. It targets industrial users and hobbyists who want removable solid-state storage in laptops or desktops that accept B-key or B+M-key slots. The card operates driver-free across legacy and modern operating systems from DOS through Windows 11 and Linux. Cold-plug installation is required for reliable operation.

Fit and alternatives

The adapter suits builders who need hot-swap convenience for micro SD media in a fixed M.2 bay without rewriting firmware. It is not for buyers who require PCIe signalling, higher throughput than SATA Gen2, or hot-plug capability for either the TF card or the M.2 connector. Systems lacking a SATA-wired M.2 slot cannot use this device.

Deciding specification

The Sage S682 bridge limits the link to SATA Gen1 at 1.5 Gbps or Gen2 at 3.0 Gbps, delivering 150 MB/s and 300 MB/s respectively. This ceiling determines whether the adapter meets the performance envelope of the intended workload.

Highlights

  • Converts microSD to M.2 SATA SSD using S682 chipset
  • Works with DOS, Windows 98 through 11 and Linux
  • SATA Gen1 1.5 Gbps and Gen2 3.0 Gbps supported
  • Driver-free plug-and-play with BIOS and OS cold-plug operation
  • Fits 22x42 mm M.2 slot in desktops and notebooks

Specifications

BrandFervit

Questions about this item

Does the B-key M.2 slot on this adapter run at SATA Gen1 or Gen2 speeds?

It supports both SATA Gen1 at 1.5 Gbps and Gen2 at 3.0 Gbps, delivering up to 150 MB/s and 300 MB/s respectively.

What physical M.2 size does the board accept and what slot keying is required?

The board fits a 2242 M.2 form factor and requires a B-key or B+M key slot.

What is the correct cold-plug sequence to avoid damaging the microSD card?

Power off the system, insert the microSD card into the adapter, plug the adapter into the M.2 slot, then power on and initialise the card.

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