Supercharge your compatible Mac Pro with the 2TB Accelsior 4M2 PCIe M.2 NVMe SSD from OWC / Other World Computing. Ready to meet your data-intensive, high-bandwidth needs, the Accelsior 4M2 installs into a full-height, half-length x8 or x16 PCIe 3.0 or 2.0 slot and uses 3D TLC synchronous NAND flash memory with advanced SLC caching and a Phison E12 controller. All these elements combine to deliver sequential read and write speeds of up to 6318 and 6775 MB/s respectively.

Accelsior 4M2 comes with SoftRAID software to help you manage your data. You can maximize drive space, get the fastest access speeds, and protect against drive failure with plug-and-play simplicity. SoftRAID's easy setup makes it a breeze to create RAID volumes, walking you through the process of customizing the speed and redundancy settings of your data volume.

2TB Storage Capacity    Fits x8/16 PCIe 3.0/2.0 Half-Length Slot    Max. Read Speed: 6318 MB/s    Max. Write Speed: 6775 MB/s    SoftRAID Software    Phison E12 Controller    3D TLC Synchronous NAND Flash    S.M.A.R.T. & TRIM Support    Silent Cooling

Compatible Mac Pro 2019, 2012 & 2010, and select Windows PC towers

Installs into a full-height, half-length x8 or x16 PCIe 3.0 or 2.0 slot

2TB capacity for footage, images, files, and games

Up to 6318 and 6775 MB/s reads and writes in RAID 0

Includes SoftRAID software for creating, monitoring, and managing advanced RAID sets

Built-in ECC

Plug and play—no drivers needed

Silent cooling—finned heat sink cover for fanless operation

Compatible with macOS 10.13 High Sierra, macOS 10.14 Mojave, and macOS 10.15 Catalina

Compatible with Windows 10 32- & 64-bit and Windows Server 2016

Compatible with Akitio Node Duo and Node Lite

Suitable for data-intensive, high-bandwidth applications such as large format video editing, VR/AR/MR, high transactional & complex calculation applications, and extreme gaming

Related Questions and Answers

Q: 1. Does this support Ubuntu? and can i pair two or three of this with software raid on linux?

A: The OWC Accelsior 4M2 NVMe SSD Enclosure supports Linux kernel versions 5.4 and higher, but the SoftRAID software it comes with only supports Windows 10 and higher or MacOS 10.12 and higher.

Q: 2. Is this bootable, can it be used for system drive?

A: You can use this for a OS drive.

Q: 3. Do you need to populate all slots at the same time or can you slowly buy storage. Say 4tb card every time one is full and raid them as you buy them ?

A: Yes, you will need to populate all the drives a the same time. SoftRAID Lite XT comes with this unit, which lets you RAID 1 and 0 of your choice. SoftRAID 5 is the currently version of SoftRAID. Please note that SoftRAID is not currently compatible with MacOS Big Sur, but is being worked on for a future patch to allow that. If you are using that OS, you can use Disk Utility instead to form your RAID volume.

Q: 4. Can this be used as JBOD?

A: The OWC Accelsior 4M2 NVMe SSD Enclosure BH #OWSSDL4M20GB can be used as a JBOD.

Q: 5. Can this new WD 4TB SSD be used as an OS drive?

A: Yes, this drive may be used as an OS/Boot drive.

Q: 6. Can this be used in the PCIE slot in the Thunderbay Flex 8? And if it can be, is it just plug and play?

A: Yes, the OWC Accelsior 4M2 NVMe SSD Enclosure would be compatible with OWC ThunderBay Flex 8. As far as plug and play this would be dependent on how you would like the RAID partition configured.

Q: 7. Will this support 8tb NvmE ? I would like to populate it with 4x 8tb NvmE, possibly the sebrant units. Anyone tried a 8tb yet ?

A: The manufacturer recommends installing only up to 4TB in each bay of the OWC Express 4M2 4-Slot M.2 NVMe SSD Enclosure with SoftRAID XT. Therefore, this enclosure will currently only support up to 16TB max.

Q: 8. How much DRAM does the WD Black SN850X have?

A: The manufacturer does not specify if the WD 4TB WD_BLACK SN850X Gaming Internal NVMe PCIe 4.0 SSD BH #WEWDBB9G0040 has DRAM.

Q: 9. Can I set this up as RAID 10? if so, what would the maximum transfer speed be?

A: I can shed a little light on the RAID 10 speed. I setup a 69GB RAID 10 and ran AJA System Performance Tester LITE 16.2.3 and here are the results... Short Version: Write - 1178 MB/s and Read - 2589 MB/s Disk Test Resolution: 8K File Size : 64 GB Codec : ProRes 4444 Drive : /Volumes/4M2R10 Cache : Disabled Video file: Movie Disk Write Test Number of frames = 2600 Write rate = 46 frames/second Write rate = 1178 MB/second Minimum rate = 626 MB/Sec Maximum rate = 1263 MB/Sec

Q: 10. Is this WD Black SN850X compatible with the OWC Express 4M2 4-Slot M.2 NVMe SSD Enclosure?

A: Yes, the WD 2TB WD_BLACK SN850X Gaming Internal NVMe PCIe 4.0 SSD with Heatsink is compatible with the OWC Express 4M2, B&H # OWTB3EX4M2SL.