300 Series USB Flash Drive

The Cactus Technologies 300 Series Industrial Grade USB Flash Drive, available in capacities up to 32 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 and high capacity part with high performance or requiring the optional full extended temperature range of -45C to +90C.

The 300 Series Industrial Grade USB Flash Drive 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, SMART Feature Set and Defect Management into the product, making it the most reliable USB Flash Drive available. Custom Labeling, Custom ID and Preloaded Content are available based on customer requirements (see Custom Features).


512MB - 32GB
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
SMART feature


  • Solid state design with no moving parts
  • Capacities 512MB to 32GB
  • Sustained Reads up to 30MB/sec
  • Sustained Writes up to 25MB/sec
  • Plugs into industry standard USBA receptacles
  • Compliant with USB2.0 specifications
  • Compliant with USB Mass Storage Class specifications v1.0
  • SMART Feature Set supported via ATA Pass Through
  • Unique Electronic Card ID
  • Supports booting from USB device
  • 6.5 Million Hour MTBF
  • Zero dB Noise
  • Enhanced error correction with 96-bit/1KB BCH ECC
  • RoHS Compliant
  • 5 Year Warranty

Cactus Part Numbers

The 300 Series USB Flash Drive matches the these part numbers. If you are interested in any of these part numbers, please Contact a Cactus Expert.

  • KU16GR-300
  • KU16GRI-300
  • KU1GR-300
  • KU1GRI-300
  • KU2GR-300
  • KU2GRI-300
  • KU32GR-300
  • KU32GRI-300
  • KU4GR-300
  • KU4GRI-300
  • KU512MR-300
  • KU512MRI-300
  • KU8GR-300
  • KU8GRI-300

Back to our Industrial Grade USB Flash Drives page for more general information.