OWC EXPRESS 4M2 USB4 40GB/S FOUR SLOT NVME M.2 SSD ENCLOSURE - INSTALL UP TO FOU

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Key Features

Highly Capable
: Up to 3200MB/s real-world performance
Highly Compatible
: Use with USB4, Thunderbolt, and USB-C Macs and PCs
Highly Reliable
: Aircraft grade aluminum offers rugged protection of your installed SSDs while the quiet fans keep everything cool for consistent top speed
Near Silent Operation
: Engineered with smart, adaptive fans that activate only when needed or under heavy load, making it ideal for uninterrupted creative focus
DIY easy
: Use your choice of NVMe M.2 2230, 2242, or 2280 SSDs
RAID Ready
: Certain models include OWC SoftRAID; the fastest and most flexible RAID 0/1/4/5/1+0 (10) tool. Also supports Apple RAID and Windows Disk Manager.
Complete
: Includes USB-C 40Gb/s cable
Worry-free
: 2 Year OWC Limited Warranty

Manuals & Resources

MANUAL User Manual › DATASHEET Product Datasheet › BROCHURE Manufacturer Brochure › MANUAL Assembly Instructions › WARRANTY Warranty Information › DATASHEET Product Fiche › GUIDE Energy Guide › SAFETY Safety Data Sheet › SAFETY Safety Data Sheet (FR) › SAFETY COSHH Sheet › TOUR Product Tour › 360 360° Product View ›

OWC Storage Arrays & Servers

OWC EXPRESS 4M2 USB4 40GB/S FOUR SLOT NVME M.2 SSD ENCLOSURE - INSTALL UP TO FOU

Mfr # OWCUS4EXP4M2 SKU 14850504 UPC 810179170721

$185.42 MSRP $239.99 Save 23%

Regular price saves you $54.57 against MSRP.

Available

Product Overview

OWC EXPRESS 4M2 USB4 40GB/S FOUR SLOT NVME M.2 SSD ENCLOSURE - INSTALL UP TO FOU

OWC (OWCUS4EXP4M2) Storage Arrays & Servers
OWC Express 4M2 USB4 (40Gb/s) Four-Slot NVMe M.2 Enclosure - Up to 3200MB/s - 4x NVMe M.2 2230/42/80 Slots - Software RAID Compatible - 2 Year Limited Warranty
OWC Express 4M2 USB4 (40Gb/s) Four-Slot NVMe M.2 Enclosure
Up to 3200MB/s - 4x NVMe M.2 2230/42/80 Slots - Software RAID Compatible - 2 Year Limited Warranty

Technical Specifications

Host Interface	USB4
Product Type	DAS Storage System
Manufacturer Part Number	OWCUS4EXP4M2
Packaged Quantity	1
Limited Warranty	2 Year
Weight (Approximate)	3.97 lb
Form Factor	External
Manufacturer	Other World Computing
Product Name	Express 4M2 USB4 (40Gb/s) External Storage Enclosure
Product Line	Express
RAID Levels	0, 1, 4, 5, 10, JBOD
Brand Name	OWC
Operating System Supported	macOS Sonoma 14.x
Operating System Supported	macOS Sequoia 15.x
Operating System Supported	Windows 10
Operating System Supported	Windows 10 x64
Operating System Supported	Windows Server 2019
Operating System Supported	Windows Server 2016
Operating System Supported	Windows Server 2022
Operating System Supported	Windows 11
Height	5.5"
Width	2.4"
Depth	7"
Maximum Data Transfer Rate	40 Gbit/s
RAID Supported	Yes
Number of Total Expansion Bays	4
Maximum Power Supply Wattage	48 W
Total Number of USB Ports	1
Number of Solid State Drive Supported	4
Cooling Fan	Yes
Drive Interface	M.2
Non-RAID Mode	JBOD
Software RAID Supported	Yes
Number of USB4 Ports	1

Marketing Information

Express 4M2 USB4 (40Gb/s) External Storage Enclosure
1 x 0.7M (28") USB-C 40Gb/s Cable
1 x External Power Supply
1 x US Power Cable (2-Prong IEC C7)
Support Manual for OWC USB4 Express 4M2(digital)

The Best DIY RAID You Wanted

We heard you loud and clear (pun intended) when you said you loved everything about the Express 4M2 but wanted it quieter. After adding smart adaptive fans that only turn on when needed for near silent operation, we decided to give it USB4 connectivity for the optimum blend of compatibility, performance, and affordability. Now you can build a desktop/shuttle high-performance RAID with your choice of NVMe M.2 SSDs and get up to 3200MB/s performance with USB4, Thunderbolt, and USB-C Macs and PCs.

Maximum Speed from Your Machine

The Express 4M2 is the fastest multiple NVMe SSD enclosure we offer and was purposefully built so you can utilize the maximum performance capability of your Mac or PC with full compatibility: