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Black aluminum M.2 SATA enclosure with attached USB-C cable

STARTECH

STARTECH SM21BMU31CI3 M.2 SATA drive enclosure USB 3.1 Gen 2 Type-C

SKU CH-A63H-RGPPH MPN SM21BMU31CI3

Aluminium enclosure turns a SATA M.2 SSD into USB-C external storage with an integrated cable

  • ColorBlack
  • SizeM.2
  • TypeEnclosure
  • AC AdapterNo
  • MaterialAluminum
  • Internal InterfaceM.2 NGFF B-Key
  • Turn your M.2 SATA drive into portable USB-C storage with no drivers needed
  • USB 3.1 Gen 2 delivers up to 10 Gbps host bandwidth for fast file transfers
  • Solid aluminum housing with ventilation keeps the drive cool during sustained workloads
  • Integrated USB-C cable and included screws make setup quick and tool-free
  • Supports 2242, 2260 and 2280 M.2 SATA drives for flexible upgrade options

M.2 SATA to USB-C Enclosure

The SM21BMU31CI3 converts a M.2 NGFF B-Key SATA SSD into portable external storage for USB-C laptops, tablets or desktops. It accepts 2242, 2260 and 2280 drives and draws power from the host port. The integrated USB-C cable and aluminium housing keep the unit compact at 11x5x1.4 cm.

USB 3.1 Gen 2 host link and SATA III drive limit

The enclosure uses a JMicron JMS580 bridge to connect the SATA III 6 Gbps drive to a USB 3.1 Gen 2 Type-C host interface rated at 10 Gbps. UASP and TRIM are supported on compatible operating systems. The practical throughput will not exceed the SATA III ceiling.

Check drive keying and OS TRIM support before

This enclosure only works with M.2 SATA drives that have a B-Key or B+M-Key notch; it will not accept M.2 NVMe or PCIe SSDs. Windows 7 and earlier do not enable TRIM over USB-to-SATA bridges. No driver or software installation is required on supported systems.

商品特色

  • Turn your M.2 SATA drive into portable USB-C storage with no drivers needed
  • USB 3.1 Gen 2 delivers up to 10 Gbps host bandwidth for fast file transfers
  • Solid aluminum housing with ventilation keeps the drive cool during sustained workloads
  • Integrated USB-C cable and included screws make setup quick and tool-free
  • Supports 2242, 2260 and 2280 M.2 SATA drives for flexible upgrade options

商品規格

BrandStarTech.com
ModelSM21BMU31CI3
ColorBlack
SizeM.2
TypeEnclosure
AC AdapterNo
MaterialAluminum
Internal InterfaceM.2 NGFF B-Key
External InterfaceUSB 3.1 Gen 2 Type-C
Number of Bay1
PowerUSB-Powered
SpecificationsChipset ID: JMicron - JMS580
Drive Size: 22mm - M.2 SATA
Supported Drive Height(s): 2242 / 2260 / 2280
Compatible Drive Types: M.2 (SATA, B-Key, NGFF) / M.2 SATA (NGFF, B+M-Key)
Maximum Data Transfer Rate: 6 Gbps
MTBF: 50,000 hours
TRIM Support:Yes
Type and Rate: USB 3.1 Gen 2 - 10 Gbit/s, SATA III (6 Gbps)
UASP Support: Yes
Drive Connectors: 1 - M.2 (SATA, B-Key, NGFF) Receptacle
Host Connectors: 1 - USB Type-C (24 pin) USB 3.1 (10Gbps) Male
Note:
Not compatible with M.2 NVMe or AHCI PCI-Express SSDs
Windows 7 and earlier Windows versions do not support TRIM with USB to SATA devices
Operating Systems SupportedOS independent; No software or drivers required
FeaturesTurn your SATA M.2 SSD into external storage for your USB-C laptop, tablet or desktop computer
Ultra-fast USB 3.1 Gen 2 data connection for M.2 SATA drives
Compact solid aluminum design (4x2x1.5 inch / 11x5x1.4 cm) with ventilation and attached braided cable
Broad compatibility with the most common M.2 SATA SSDs (B Key / B+M Key) in various lengths (42, 60, 80 mm)
Not compatible with M.2 NVMe or AHCI PCI Express SSDs
Dimensions0.60" x 4.30" x 2.00"
Weight3.4 oz.
Package Contents1 x M.2 SATA Enclosure with Integrated USB-C Cable
1 x Screwdriver
4 x Assembly Screws
1 x Set of Drive-Mounting Hardware
1 x Quick-Start Guide
出貨重量0.11 kg
包裝尺寸168 × 98 × 30 mm

商品問答

Which M.2 SATA drive lengths does this enclosure accept?

It fits 2242, 2260 and 2280 modules, all using the B-key SATA interface.

What real-world speed will I see from a SATA SSD inside this USB 3.1 Gen 2 Type-C enclosure?

The drive is limited by its SATA III 6 Gbps link, so the USB 10 Gbps connection will not increase throughput beyond the SATA ceiling.

Does the USB 3.1 Gen 2 Type-C port deliver the full 10 Gbps to the drive?

The host link runs at 10 Gbps with UASP, but the internal SATA III interface tops out at 6 Gbps, capping actual drive speed.

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