400 Series USB DOM

The Cactus Technologies 100 Series Industrial Grade USB Disk On Module, available in capacities up to 8 Gbytes, is a rugged, highly reliable, high endurance, solid-state flash memory product with an industry standard USB 2.0 interface. It is intended for OEM applications needing a high endurance part with high performance or requiring the optional full extended temperature range of -45C to +90C.

The 100 Series Industrial Grade USB Disk On Module is SLC NAND based and comes with full BOM Control, Long Life Cycles and is built with Stringent Quality Processes. Cactus Technologies incorporates Industrial Grade ECC, Wear Leveling, Write Abort Protection Circuitry and Defect Management into the product, making it the most reliable USB Disk On Module available. Custom Labeling, Custom ID and Preloaded Content are available based on customer requirements (see Custom Features).


128MB - 8GB
Memory type
Endurance cycles
>2 Million
MTBF (Hours)
4 Million
5 Years
Standard temperature
0°C to 70°C
Extended temperature
-45°C to 90°C
Sequential read
Sequential write
Pro feature set


  • Solid state design with no moving parts
  • Capacities 128MB to 8GB
  • Sustained Reads up to 30MB/sec
  • Sustained Writes up to 25MB/sec
  • Plugs into industry standard 10-pin USB connector
  • Compliant with USB2.0 specifications
  • Compliant with USB Mass Storage Class specifications v1.0
  • Unique Electronic Card ID
  • Supports booting from USB device
  • 6.5 Million Hour MTBF
  • Zero dB Noise
  • Enhanced error correction with 15bit BCH ECC
  • RoHS Compliant
  • 5 Year Warranty

Cactus Part Numbers

The 400 Series USB DOM matches the these part numbers. If you are interested in any of these part numbers, please Contact a Cactus Expert.

  • KU128MR-100M1
  • KU128MR-100M2
  • KU128MRI-100M1
  • KU128MRI-100M2
  • KU1GR-100M1
  • KU1GR-100M2
  • KU1GRI-100M1
  • KU1GRI-100M2
  • KU256MR-100M1
  • KU256MR-100M2
  • KU256MRI-100M1
  • KU256MRI-100M2
  • KU2GR-100M1
  • KU2GR-100M2
  • KU2GRI-100M1
  • KU2GRI-100M2
  • KU4GR-100M1
  • KU4GR-100M2
  • KU4GRI-100M1
  • KU4GRI-100M2
  • KU512MR-100M1
  • KU512MR-100M2
  • KU512MRI-100M1
  • KU512MRI-100M2
  • KU8GRIT-100M1
  • KU8GRIT-100M2
  • KU8GRT-100M1
  • KU8GRT-100M2