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Black lay-flat SATA docking station for 2.5 and 3.5 inch drives

ViewSonic

ViewSonic EC-DFLT USB 3.0 SATA Docking Station 2.5/3.5in

SKU CH-GM4Y-8Z38J

Connects a bare 2.5 or 3.5 inch SATA drive to a USB 3.0 Type-A port with UASP support and includes a 12V power adapter for 3.5 inch drives

  • Product colorBlack
  • Product dimensions7.09 in × 4.8 in × 1.6 in
  • Product weight7.5 oz
  • In the boxExternal Hard Drive Lay-Flat Docking Station
  • Supports SATA I/II/III HDDs and SSDs in 2.5in and 3.5in form factors
  • USB 3.0 Type-A host connection with UASP support for faster transfers
  • Typical mechanical HDD speeds reach 100-160 MB/s limited by the drive itself
  • Includes 12V/2A power adapter required for 3.5in drives to spin up reliably
  • Tool-free lay-flat bay enables hot-swap drive changes without drivers on Windows 10/11 macOS Linux

SATA docking for bare 2.5in and 3.5in drives

The ViewSonic EC-DFLT is a single-bay lay-flat dock that accepts bare SATA I, II or III hard drives and SSDs in 2.5in or 3.5in form factors. It connects to the host via an attached USB 3.0 Type-A cable and is intended for Windows 10, Windows 11, macOS and Linux systems. The dock does not support IDE, M.2 SATA, M.2 NVMe, SAS or drives already housed in a USB enclosure. Buyers who need to read M.2 or NVMe drives cannot use this product.

Included 12V adapter and UASP support

A 12V/2A power adapter is included and is required for 3.5in drives because USB bus power cannot spin them up reliably. 2.5in drives are generally bus-powered, though the adapter is recommended for stability. The dock uses UASP when the host controller supports it, and the package also supplies the USB Type-A host cable. No drivers are needed on the listed operating systems and an LED indicates power and drive activity. Buyers whose computers only have USB-C ports will need a separate USB-C to USB-A adapter.

Up to 20 TB capacity with typical HDD speeds

The dock supports drives up to 20 TB, giving ample headroom for current high-capacity SATA HDDs and SSDs. Mechanical drives typically transfer at 100-160 MB/s, which is the drive’s own limit, while SSD speeds vary up to the USB 3.0 interface maximum of 5 Gbps. The bridge does not pass S.M.A.R.T. data and on macOS a drive may need remounting after sleep. Buyers who need S.M.A.R.T. monitoring or multi-bay simultaneous access should look elsewhere.

How it compares

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

Price $31.99
Pricier than about 68% of the 1,721 comparable items (median $22.99).

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Specifications

Product
Brand nameViewsonic
Model nameEC-DFLT
Product colorBlack
Size & build
Product dimensions7.09 in × 4.8 in × 1.6 in
Product weight7.5 oz
In the box
In the boxExternal Hard Drive Lay-Flat Docking Station

Questions about this item

Will the 12V/2A power adapter or USB 3.0 Type-A host cable need replacing after heavy use?

The dock includes a 12V/2A AC adapter required for 3.5in drives and a USB 3.0 Type-A host cable; both are standard replaceable parts if they ever fail.

What limits sustained transfer speed when a mechanical HDD is docked?

Mechanical HDDs typically reach 100-160 MB/s, which is the drive's own limit rather than the USB 3.0 interface maximum.

Does the dock generate noticeable heat or noise during all-day operation?

The lay-flat design has no fan; heat depends on the installed drive, and the unit itself adds minimal noise beyond the drive's own acoustics.

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