Customize your Express 4M2 with up to four NVMe SSDs, RAID them however you wish and connect it all with Thunderbolt 3 — the fastest and most flexible interface around. The sheer performance of the Express 4M2 helps you meet deadlines faster, giving you more time to explore your creativity and push your projects further.
Ingest and duplicate dailies at breakneck speeds, work with higher resolutions, smoothly scrub through demanding timelines, and plow through thousands of photos with ease. The OWC Express 4M2 is one seriously fast drive to have by your side to take your digital capabilities to a new level.
It's smaller and easier to fit into your workflow, studio and on stage. It's faster with four easy-access M.2 slots so you can swap, upgrade or expand your Express 4M2 to configure and reconfigure it to serve any project need.
SoftRAID takes advantage of your computer's processor versus the slow processors found in most hardware RAID enclosures. The result is a fast and flexible RAID array with no discernible impact on your favourite apps. SoftRAID drive certification tells you whether or not a drive is up to the task before creating a RAID array. Advanced monitoring tools work behind the scenes to keep your RAID running in tip-top shape.
SoftRAID protects your data by alerting you to issues before anything happens, ensuring you're protected when you're on a critical deadline. SoftRAID rebuilds your RAID in a fraction of the time it would take a hardware RAID to complete the same task, sparing you from significant downtime when you're ready to upgrade or replace a drive.
The OWC Express 4M2 fully supports Windows workflows as well. Using Windows Storage Spaces you can pool the four M.2 NVMe SSDs together with support for all the Storage Spaces configuration options including the ability to add another OWC Express 4M2 to expand your storage pool on the fly.
- Up to 32TB (as 4 x 8TB NVME SSD)
- Up to 2800MB/s
- Four M.2 NVMe SSD bays
- Compact design
- Advanced SoftRAID engine
- Thunderbolt Certified for Mac and Windows
- Thunderbolt 3 cable
- 1 Year OWC Limited Warranty
What is in the box
1 x OWC Express 4M2 Enclosure
1 x SoftRAID XT Lite
1 x Thunderbolt 3 cable (40Gb/s)
1 x External power supply and cable
1 x Quick start guide
Note: Each SSD uses x 1 lane only. To get the full Thunderbolt 3 supported speed you need to install 4 SSD`s and set it to RAID. Only when fitted with 4 SSD`s together they will run on PCIe 3.0 x 4 lanes. Also, note that smaller size SSD`s are generally slower than higher size SSDs.
|Mechanisms Supported||NVMe 2280 M.2 SSDs|
|Software||MacOS 10.12 or later*
Windows 10 or later
*SSDs using 512b sector sizes require macOS 10.13 or later
|Hardware||Any computer with a native Thunderbolt 3 port|
Mac: macOS 10.12 or later1
All four drive bays are bootable on macOS. SSDs with 512-byte sectors require macOS 10.13 or later.
|Hot Plug Support
(1) Thunderbolt 3 - Alpine Ridge DSL6540
|Device Ports||2 x Thunderbolt 3 (USB Type-C)
1 x DisplayPort 1.22
|Display Support||Up to one 4K display @ 60Hz,
or one 4K display @ 30Hz,
or two 4K displays @ 60Hz
|Display Support by Port||Mini DisplayPort 1.2: Up to 4K @ 60Hz|
|Drive Bays||4m x M.2 - 2280 "M Key" (PCIe 3.0 x1 per slot). Note: Each SSD uses x 1 lane only. To get the full Thunderbolt 3 supported speed you need to install 4 SSD`s and set it to RAID. Only when fitted with 4 SSD`s together they will run on PCIe 3.0 x 4 lanes. Also, note that smaller size SSD`s are generally slower than higher size SSDs.|
|Drive Support||M.2 NVMe
M.2 AHCI (PCIe only)
|Data Transfer Rate (Maximum)||Thunderbolt 3 : 40 Gb/s (or 5000 MB/s)|
|RAID Levels Supported||RAID 0
|RAID Features||Software RAID|
|Mac OS Compatibility
||macOS 10.12 Sierra
macOS 10.13 High Sierra
macOS 10.14 Mojave
macOS 10.15 Catalina
macOS 11.0 Big Sur
macOS 11.1 Big Sur
|PC OS Compatibility
||Windows 10 32-bit Edition
Windows 10 64-bit Edition
Windows Server 2016
|Other Requirements||When using one or more SSDs with 512 byte sectors, macOS 10.13 or later is required.|
|Host Port Requirements||Thunderbolt 3 or later|
||External UL-listed universal auto-switching power supply|
|AC Input||100-240V, 50-60Hz, 1-2A|
|External Power Adapter||Yes|
|Power Delivery||Two Thunderbolt 3 ports with 15W power delivery each.|
|Number of SSD Bays||4|
|Device Ports||(2) Thunderbolt 3 (USB-C) Ports
(1) DisplayPort Port
|Cooling||(1) 60mm 2,800RPM None cooling fan|
|Dimensions||Height: 6.0 cm (2.4 in)
Length: 11.3 cm (4.4 in)
Width: 13.6 cm (5.4 in)
|Weight||800.0 g (1.76 lbs)|
|Notes||Hynix Gold P31 SSD’s are only compatible with Windows 10 when installed in this enclosure.
Does not support Dual-Mode DisplayPort (DP++), however, it does support Multi-Stream Transport (MST) in Windows 10.
Other DetailsMac mini (Late 2018) (November, 2018) Model ID: Macmini8,1 | 3.6GHz i3, 3.0GHz i5, 3.2GHz i7
iMac Pro (27-inch Late 2017) (December 2017) Model ID: iMacPro1,1 | 3.2GHz 8-core, 3.0GHz 10-core, 2.3GHz 14-core, 2.5GHz 18-core
iMac w/Retina 5K display (27-inch Mid 2017) (June 2017) Model ID:iMac18,3 | 3.4GHz i5, 3.5GHz i5, 3.8GHz i5, 4.2GHz i7
iMac w/Retina 4K display (21.5-inch Mid 2017) (June 2017) Model ID:iMac18,2 | 3.0GHz i5, 3.4GHz i5, 3.6GHz i7
iMac (21.5-inch Mid 2017) (June 2017) Model ID:iMac18,1 | 2.3GHz i5
MacBook Pro (15-inch Touch Mid 2018) (July, 2018) Model ID: MacBookPro15,1 | 2.2GHz i7, 2.6GHz i7, 2.9GHz i9
MacBook Pro (13-inch Touch Mid 2018) (July, 2018) Model ID: MacBookPro15,2 | 2.3GHz i5, 2.7GHz i7
MacBook Pro (15-inch Touch Mid 2017) (June, 2017) Model ID: MacBookPro14,3 | 2.8GHz i7, 2.9GHz i7, 3.1GHz i7
MacBook Pro (13-inch Touch Mid 2017) (June, 2017) Model ID: MacBookPro14,2 | 3.1GHz i5, 3.3GHz i5, 3.5GHz i7
MacBook Pro (13-inch Retina display Mid 2017) (June, 2017) Model ID: MacBookPro14,1 | 2.3GHz i5, 2.5GHz i7
MacBook Pro (15-inch Touch Late 2016) (October, 2016) Model ID: MacBookPro13,3 | 2.6GHz, 2.7GHz, 2.9GHz
MacBook Pro (13-inch Touch Late 2016) (October, 2016) Model ID: MacBookPro13,2 | 2.9GHz, 3.1GHz, 3.3GHz
MacBook Pro (13-inch Retina display Late 2016) (October, 2016) Model ID: MacBookPro13,1 | 2.0GHz, 2.4GHz
1 Review Hide Reviews Show Reviews
Im video editing on my M1 MAX MacBook Pro. Ive built this enclosure up to 8TB (with 4 x 2tb Sabrent SSD drives inside it). And it works really fast - The setup is so easy as well there are videos online. The after sales and pre-sales customer service is also fantastic as I had never used a RAID system before, this was the first time building it for me and there was lots of stuff on Youtube to help and the people at OWC are excellent too. I highly recommend it and look forward to more products from this company which I want to use for my movie work.