240S Series CFast

The Cactus Technologies 240S Series Commercial Grade CFast Memory Card is a 15nm MLC NAND based solid-state flash memory device that complies with the CompactFlash Association standard in the CFast Type I form factor. It is available in capacities from 4GBytes to 256GBytes and intended for OEM applications needing a cost effective part with high performance SATA interface.

The 240S Series CFast comes with full BOM Control and is built with Stringent Quality Processes. Cactus Technologies incorporates World Class ECC, Wear Leveling and Defect Management into the 240S Series CFast, making it a very reliable MLC based CFast. Custom Labeling, Custom ID and Preloaded Content are available based on customer requirements (see Custom Features).


8GB - 128GB
Memory type
Endurance cycles
MTBF (Hours)
1-2 Million
2 Years
Standard temperature
0°C to 70°C
Extended temperature
-40°C to 85°C
Sequential read
up to 530MB/s
Sequential write
up to 330MB/s
SMART feature


  • Industry Standard CFast Type 1 Form Factor
  • Card Capacities 8GB to 128GB
  • SMART Feature Set
  • >100K Endurance Cycles per Block
  • Supports SATA I (1.5Gbits/sec) to SATA III (6.0Gbits/sec)
  • Optional Physical Write Protect Switch Version
  • 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
  • 1-2 Million Hour MTBF
  • 2 Year Warranty

Cactus Part Numbers

The 240S Series CFast matches the these part numbers. If you are interested in any of these part numbers, please Contact a Cactus Expert.

  • KC128GF-240S
  • KC128GFI-240S
  • KC16GF-240S
  • KC16GFI-240S
  • KC32GF-240S
  • KC32GFI-240S
  • KC64GF-240S
  • KC64GFI-240S
  • KC8GF-240S
  • KC8GFI-240S

240S Series Physical Write Protect Switch CFast

Cactus Commercial Grade 240S CFast cards are available with a Physical Write Protect Switch (-WP1 suffix) option.

When the switch on the bottom rail of the CFast is in the disabled postion the card can be read and written to normally. However, when the write protect switch is enabled, the card can only be read - any writes are not processed.

More details are in the 240S CFast product manual or feel free to contact a Cactus Expert.