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Silver anodized aluminum unibody M.2 SATA enclosure, pocket size

Vantec

Vantec NST-203C3-SV M.2 SATA drive enclosure

SKU CH-QPAF-65Q8X MPN NST-203C3-SV

Enclosure converts M.2 SATA SSDs (2240, 2260, 2280, B or B+M key) to USB 3.1 Gen 2 Type-C with bus power, a write-protect switch, and an anodised aluminium unibody

  • SizeM.2 size: Length support 2240, 2260, 2280 M.2 SSD Support: M
  • Drive interface1 x M.2 (NGFF, B-Key)
  • External connectionUSB 3.1 Gen 2 USB-C
  • Bay count1
  • Max capacity per bayUp to 2 TB
  • Power detailsBus-powered, no external power supply needed
  • Supports M.2 SATA modules in 2240, 2260 and 2280 lengths
  • USB 3.1 Gen 2 Type-C delivers fast SATA transfer speeds
  • Anodized aluminium unibody dissipates heat while staying pocket-sized
  • Write-protect switch locks data to read-only for virus protection
  • Bus-powered design works on Windows 10, macOS 10.10+ and Chrome OS

Compact M.2 SATA enclosure

The Vantec NST-203C3-SV is a bus-powered enclosure that turns a B-key or B+M-key M.2 SATA SSD into a portable USB 3.1 Gen 2 Type-C drive. It accepts 2240, 2260 and 2280 modules up to 2 TB and works with Windows 10, Mac OS X 10.10 or higher and Chrome OS. The anodised aluminium unibody doubles as a heatsink and fits in a pocket.

Build integration

No AC adapter is required; the enclosure draws power directly from the host USB-C port. A USB-C to USB-C cable and a screwdriver with screws are included for tool-assisted installation. The single bay supports one SATA M.2 drive and a hardware write-protect switch toggles read-only mode without software. UASP and plug-and-play operation mean no drivers are needed.

Sustained operation

The aluminium body conducts heat away from the SSD during long transfers, helping maintain consistent throughput. A bicolour LED shows red when the write-protect switch is active and white during normal read-write activity. Because the enclosure is limited to the SATA protocol, peak speeds are bounded by the drive’s own SATA performance rather than the USB 3.1 Gen 2 interface.

How it compares

Measured against everything we stock in External Drive Enclosures, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 64% of the 821 comparable items (median $30.99).

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Specifications

Product
Brand nameVANTEC
Product lineNexStar SX
Model nameNST-203C3-SV
Product colorSilver
Product typeEnclosure
Storage
Drive interface1 x M.2 (NGFF, B-Key)
Bay count1
Max capacity per bayUp to 2 TB
Ports & slots
External connectionUSB 3.1 Gen 2 USB-C
Power
Power adapterNo
Power detailsBus-powered, no external power supply needed
Size & build
SizeM.2 size: Length support 2240, 2260, 2280
M.2 SSD Support: M.2 (NGFF), B Key or "B+M" Key
Main materialAnodized Aluminum, Unibody
Product dimensions4.1 in × 1.3 in × 0.4 in
Product weight2.01 oz
Shipping weight0.10 kg
Package size132 × 89 × 38 mm
Compatibility
Supported operating systemsMac OS X 10.1 or higher, Windows 10, Latest Chrome OS
In the box
In the box1 x M.2 SATA to USB 3.1 Gen 2 Type C Enclosure, 1 x USB-C to USB-C cable, 1 x Screw Driver, Screws set, Quick Guide

Questions about this item

Will the aluminum body keep a 2280 SATA SSD cool during long transfers?

The anodized aluminum unibody acts as a heatsink, dissipating heat from the drive during sustained USB 3.1 Gen 2 operation.

Which M.2 SATA drives are compatible with the B-key slot?

The enclosure accepts B-key or B+M-key NGFF modules in 2240, 2260 and 2280 lengths, up to 2TB capacity.

Do I need to supply my own USB-C cable or screwdriver?

A USB-C to USB-C cable, screwdriver and mounting screws are all included in the box.

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