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4TB PXI Express Storage Unit

The Big River DM-4M.2-3U PXI Express storage unit from Conduant provides up to 4TB of M.2 SSD storage capacity, with a PCIe x8 Gen3 host interface delivering high speed data rates for sequential writes of 3.25GB/s and sequential reads of 3.41GB/s to PXI Express based systems.

The DM-4M.2 works with Windows, Linux, Unix, Solaris and VxWorks.


  • Capacity up to 4TB (up to 4 PCIe M.2)
  • Host interface PCIe x8 Gen3
  • Sequential Write 3.25GB/s**
  • Sequential Read 3.41GB/s**
  • NVME support
  • Compatible with major operating systems
  • Requires only 1 open slot (4HP)
  • Software RAID capable
  • Combine multiple units for additional storage capacity

** Write/Read speed test was conducted in a Gen2 system


Maximum Capacity 512GB to 4TB of PCIe M.2 Modules
Maximum Data Rate 8 lanes of PCIe Gen 3
Number of Modules 4 M.2 PCIe Modules
Drive Type Solid State NVME or AHCI
Dimensions 6.1875” (D) X 0.787”(W) x 5” (H)
Weight (with drives) < 1 lb.
Sequential Write/Read** 3.25GB/s-3.41GB/s
Power Typical** Idle 15.84W
Write 32.13W at 3.25GB/s
Read 25.85W at 3.41GB/s
Chassis Slots PXIe
1 slot required (4HP)

** Write/Read speed and power test was conducted in a Gen2 system

Conduant hardware products are backed by a limited one year warranty. All software includes a 90 day warranty. Maintenance and priority support is available on a yearly subscription basis.

Technical documents

Ordering information

Several Big River DM4-M.2-3U PXIe Storage Module Unit Configurations are available. Please contact Sarsen Technology for more details.