Description & Specifications
OWC Express 1M2
USB4 (40GB/s) Bus-Powered Portable External Storage Enclosure for NVMe M.2 2230 / 2242 / 2280 SSDs
Mfr P/N: US4EXP1M2 OWC SKU: OWCUS4EXP1M2
Ultra-fast, compatible, and reliable portable USB4 NVMe SSD
- Ultra-fast: over 3,800MB/s1
- Ultra-compatible: use with USB4, Thunderbolt, and USB-C computers and devices
- Ultra-reliable & innovative: patent pending heat-dissipating design offers rugged protection of your SSD while silently keeping drive cool for consistent top speed
- Powerful choices: Build your own drive or select OWC Aura SSD powered solution
- DIY easy: use your choice of NVMe M.2 2230, 2242, or 2280 SSD
- Portable: bus-powered and palm-sized for convenient use anywhere
- Complete: includes USB-C (40Gb/s) cable and screwdriver for assembly
- Drive not included. Performance results will vary depending on user installed drive.
Includes
- (1) OWC Express 1M2 External Storage Enclosure
- (1) 0.3M (12") USB-C (40Gb/s) Cable
- (1) Phillips PH1 Screwdriver
- (1) Getting Started QR Insert Card
- (1) Support Manual for OWC Express 1M2
- 2 Year OWC Limited Warranty
Specs
Drive Bays
- 1 bay supporting: M.2 SSDs
- Supports double-sided and single-sided M.2 2230, M.2 2242, M.2 2280 "M Key" drives
- NVMe M.2 SSDs with a heatsink will not fit and are not supported. Supports PCIe 3.0 NVMe SSDs (up to 3000MB/s), PCIe 4.0 NVMe SSDs (up to 3800MB/s), and PCIe 5.0 NVMe SSDs (up to 3800MB/s).
Plug and Play
- Yes
Storage Interface
- M.2
Device Ports
- (1) Host Port - USB4 (USB-C) up to 40Gb/s (5000MB/s) - USB 3.0/USB 3.2 backwards compatible
UASP Support
- UASP (USB Attached SCSI Protocol) is supported
Data Transfer Rate (Maximum)
- USB4 : Up to 40Gb/s (or 5000MB/s)
Benchmark Speed, Read (Max)
- Up to 3836MB/s
Benchmark Speed, Write (Max)
- Up to 2974MB/s
Chipset / Controller
- USB: ASM2464PD
Contact Start Stops
- Varies depending on drive mechanism installed
Host Interface Requirements
- USB4, Thunderbolt, or USB 10Gb/s1 port
Mac OS Compatibility
- macOS 10.13 High Sierra
- macOS 10.14 Mojave
- macOS 10.15 Catalina
- macOS 11.x Big Sur
- macOS 12.x Monterey
- macOS 13.x Ventura
- macOS 14.x Sonoma
- macOS 15.x Sequoia
- macOS 26.x Tahoe
PC OS Compatibility
- Windows 10 32-bit Edition
- Windows 10 64-bit Edition
- Windows Server 2016
- Windows 11
Linux OS Compatibility
- Yes
Mobile OS Compatibility
- iPadOS 13
- iPadOS 14
- iPadOS 15
- iPadOS 16
- iPadOS 17
- iPadOS 18
- iPadOS 26
- Android 13.x
- Android 14.x
- Android 15.x
Other OS Compatibility
- Chrome OS
- ChromeOS version 102 and later
Driver Required
- No
Supports OWC ClingOn
- Yes (Learn More)
External Power Adapter
- No
Power Supply
- Bus-powered
Security Slot
- No
Power/Activity LED(s)
- Yes
Housing Color
- Silver
Housing Material
- Aluminum
Dimensions
- Height: 2.3 cm (0.9 in)
- Length: 13.2 cm (5.2 in)
- Width: 7.0 cm (2.8 in)
Weight
- 253.0 g (0.56 lbs)
Certifications
- BSMI
- CE
- FCC
- RCM
- VCCI
Reach Certification
- Yes
Ambient Temperature
- Operating: 41°F to 95°F (5°C to 35°C)
- Non-Operating: -4°F to 140°F (-20°C to 60°C)
Humidity
- Operating: 8% to 90% non-condensing
- Non-Operating: 5% to 95% non-condensing
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