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CFast Series 240S with write protection


Cactus Technologies Commercial Grade CFast are reliable, cost effective flash storage devices, based on MLC NAND. They are intended for applications which demand very high performance in a rugged small foot print form factor qualified and guaranteed to MIL-810 Standard shock and vibration.

The Cactus Commercial Grade MLC CFast Cards have life cycles in the 18-24 month range. For longer life cycle OEM system requirements, Cactus can review the application with the OEM and possibly extend this life cycle range. These MLC CFast have Locked BOM (Bill-Of-Material) signifying there will be no changes to controller silicon, NAND silicon or firmware without notification.




Specifications   Features


Memory Type

Endurance Cycles

MTBF (Hours)


Standard Temperature

Extended Temperature

Sequential Read

Sequential Write

Shock / Vibration

SMART Features

4GB - 256GB




2 Years

0°C to +70°C

Contact us

up to 530MB/s

up to 330MB/s

3000G / 30G


  • Industry standard CFast Type 1 form factor
  • Physical write protection switch
  • Card capacities 4GB to 256GB
  • >100K endurance cycles per block
  • Supports SATA I (1.5Gbits/sec) to SATA III (6.0Gbits/sec)
  • Unique electronic serial card ID
  • Supports traceability barcode
  • Solid state design with no moving parts
  • High data transfer rates
  • Reliable data integrity
  • High shock & vibration tolerances
  • 200K hour MTBF
  • 2 Year warranty

Ordering Info

Commercial Grade CFast series 240S: KCxFy-240SWP1

x = Capacity y = Temperature range

4G = 4GB

8G = 8GB

16G = 16GB

32G = 32GB

64G = 64GB

128G = 128GB

256G = 256GB

blank = 0°C to +70°C

I = -40°C to +85°C