245S Series CFast

The Cactus Technologies 245S Series OEM Grade CFast Memory Card is a Pseudo-SLC 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 64GBytes.

It is intended for OEM applications needing a cost effective part with high performance SATA III interface and applications which require better endurance, error rates and data retention than the Commercial Grade MLC CFast. A detailed overview of pSLC is provided in the Overview of Pseudo-SLC NAND White Paper.

The 245S Series pSLC 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 245S Series CFast, making it a very reliable Pseudo-SLC CFast.

Custom Labeling, Custom ID and Preloaded Content are available based on customer requirements (see Custom Features).


4GB - 64GB
Memory type
Endurance cycles
>6x Commercial Grade
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 350MB/s
Sequential write
up to 310MB/s
SMART feature


  • Industry Standard CFast Type 1 Form Factor
  • Card Capacities 4GB to 64GB
  • Pseudo-SLC w/>6 Times Endurance of Commercial Grade MLC
  • SMART Feature Set
  • >6 Times Endurance of Commercial Grade
  • Supports SATA I (1.5Gbits/sec) to SATA III (6.0Gbits/sec)
  • Optional Version with Physical Write Protect Switch
  • 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 245S Series CFast matches the these part numbers. If you are interested in any of these part numbers, please Contact a Cactus Expert.

  • KC16GF-245S
  • KC16GFI-245S
  • KC32GF-245S
  • KC32GFI-245S
  • KC4GF-245S
  • KC4GFI-245S
  • KC64GF-245S
  • KC64GFI-245S
  • KC8GF-245S
  • KC8GFI-245S

245S Series Physical Write Protect Switch CFast

Cactus Commercial Grade 245S 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 245S CFast product manual or feel free to contact a Cactus Expert.