900S Series CFast

The Cactus Technologies High Performance 900S Series Industrial Grade CFast, available in capacities up to 128 Gbytes, is a solid-state flash memory product that adheres to the CompactFlash Association and SATA-IO group’s specifications. It is intended for OEM applications needing a high performance, high endurance embedded part and/or requiring the optional full extended temperature range of -45C to +90C.

The High Performance Industrial Grade CFast 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 CFast device available. Custom Labeling, Custom ID, Preloaded Content and custom firmware features are available based on customer requirements (see Custom Features).


1GB – 64GB
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
SATA bus speed
1.5Gb/s & 3.0Gb/s
Sequential read
Sequential write
Pro feature set
Contact Cactus
SMART feature


  • Industry Standard Serial ATA (SATA) CFast
  • Capacities 1GB to 64GB
  • >2 Million Endurance Cycles per block
  • Supports SATA I (1.5Gbits/sec) and SATA II (3.0Gbits/sec) transfer rates
  • Sustained Read Speeds up to 110Mbytes/sec
  • Sustained Write Speeds up to 90Mbytes/sec
  • Locked BOM Control
  • Supports Traceability Barcode
  • Solid State Design With No Moving Part
  • Long Life Cycles
  • High Shock & Vibration Tolerances
  • Wide Operating Temperature Range
  • 4 Million Hour MTBF

Cactus Part Numbers

The 900S Series CFast matches the these part numbers. If you are interested in any of these part numbers, please Contact a Cactus Expert.

  • KC16GF-900S
  • KC16GF-900S-WP1
  • KC16GFI-900S
  • KC16GFI-900S-WP1
  • KC1GF-900S
  • KC1GF-900S-WP1
  • KC1GFI-900S
  • KC1GFI-900S-WP1
  • KC2GF-900S
  • KC2GF-900S-WP1
  • KC2GFI-900S
  • KC2GFI-900S-WP1
  • KC32GF-900S
  • KC32GF-900S-WP1
  • KC32GFI-900S
  • KC32GFI-900S-WP1
  • KC4GF-900S
  • KC4GF-900S-WP1
  • KC4GFI-900S
  • KC4GFI-900S-WP1
  • KC64GF-900S
  • KC64GF-900S-WP1
  • KC64GFI-900S
  • KC64GFI-900S-WP1
  • KC8GF-900S
  • KC8GF-900S-WP1
  • KC8GFI-900S
  • KC8GFI-900S-WP1

900S Series Physical Write Protect Switch CFast

Cactus Industrial Grade 900S 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 900S CFast product manual or feel free to contact a Cactus Expert.

Back to our Industrial Grade CFast cards for more general information.