4XEM Inc.


4XEM USB-C Gen.2 NVMe External SSD Enclosure


SKU 4XST338C UPC 841567003284

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4XEM’s USB Type-C 3.1 Real Gen2 NVMe External SSD enclosure

4XEM’s USB-C NVMe external SSD enclosure was designed to improve a workstations storge capacity and speed, quickly and as efficiently as possible. The enclosure offers enough space for 2230/2242/2260/2280mm lengths of NVMe SSD modules, offering great flexibility for a variety of workspaces. The USB 3.1 interface offers up to 10 Gbps transfer speeds, and the enclosure has a data reading speed maximum of near 1500 Mbps. With these high-performance capabilities, the enclosure is designed with built with a groove to aid in heat dissipation. Compatible with both Windows and Mac OS, this device offers easy plug and pay use without the need to download a driver. This portable enclosure is a great way to back-up data and transfer data quickly and efficiently wherever you need it to go.

Problem it Solves: Transfer and back up your data easily and anywhere you need with 4XEM’s External NVMe external SSD enclosure.


  • Compatible with Windows, Mac OS X
  • Able to be independent no software or drivers required
  • Compatible with 2230/2242/2260/2280mm NVMe SSD lengths
  • Supports data transfer rates of up to 10 Gbps
  • USB Bus powered
  • LED Indicators for Power/Activity
  • Comes with Travel Pouch


Warranty Information Warranty 1 Year
Hardware Host Interface USB Type-C
Bus Type USB 3.1 Gen 2
Number of Drives 1
Compatible Drive Types PCIe NVMe M.2 SSD
Drive Installation Fixed
Fan(s) No
Heatsink No
Chipset ID RealTek – RTL9210
Connector(s) Drive Connectors M.2 (‘M’ Keyed)
Host Connectors USB Type-C
Performance Host Data Line Speed 10 Gbps
Drive Operating Mode PCIe Gen3 x2 Lanes
Maximum Data Transfer Rate 1.25 GBps*
Physical Characteristics Color Grey
Shell Material Aluminum/Plastic
LED Indicators Power/Activity (Blue)
Cable Type Detatchable
Cable Length 17.32 in [440 mm]
Supported Drive Lengths 2230/2242/2260/2280
Max Drive Height 0.10 in [2.5 mm]
Product Height 0.40 in [10.1 mm]
Product Width 1.14 in [28.9 mm]
Product Length 4.34 in [110.2 mm]
Weight of Product (Empty) 1.13 oz [32 g]
Weight of Product (Occupied) 1.34 oz [38 g]
Power Power Source Bus Powered
Power Consumption 7W (5V @ 1.5A)
Software OS Compatibility OS independent; No software or drivers required
Packaging Information Package Height 6.05 in [153.6 mm]
Package Width 2.79 in [70.8 mm]
Package Length 1.42 in [36.0 mm]
Shipping (Package) Weight 3.95 oz [112 g]
Environmental Operating Temperature 32°F-104°F [0°C-40°C]
Storage Temperature 14°F-158°F [-10°C-70°C]
Operation Humidity 10% – 90%, non-condensing
Storage Humidity 10% – 90%, non-condensing
Special Notes / Requirements Note 1.25 GBps is the theoretical maximum bandwith available.  Data throughput will be less due to overhead.  Actual performance will also vary due to factors such as host processor, SSD used, and other devices sharing the same bus, etc.  Real world performance is typically 1000MBps sequential read and 1000MBps sequential write.
Not compatible with double sided SSDs or SSD with integrated heatsink.
Occupied weight measured with WD Black SN750 500GB SSD.
What’s in the Box Included in Package USB 3.1 Gen 2 Type-C NVMe SSD enclosure
USB Type-C  to Type-A Cable
USB Type-A  to Type-C Adaptor
User Manual
Travel Pouch
Screwdriver (Keychain)
* Product appearance and specifications are subject to change without notice.
* Weights and measurements are approximate.

1 year warranty with lifetime support