CFast Cards

CFX730 & CFX730I

Transcend's CFX730 CFast card is designed with 112-layer 3D NAND flash and SATA III 6Gb/s interface, featuring high transfer speeds and large capacities, as well as plug-and-play convenience. The CFX730 can operate stably under -5°C ~ 70°C, and wide-temperature(-40°C ~ 85°C) model can be provided upon request. The CFX730 comes with SLC Mode technology, enhancing flash endurance to 100K P/E cycles while having a sustained write speed that is suitable for write-intensive equipment.

Firmware Features

  • Built-in LDPC ECC (Error Correction Code) functionality
  • Advanced Global Wear-Leveling and Block management for reliability
  • Supports S.M.A.R.T. function to conduct health monitoring, analysis, and reporting for storage devices
  • TRIM command for better performance
  • NCQ command for better performance
  • Full drive encryption with Advanced Encryption Standard (AES)
  • Power-saving DevSleep (Device Sleep) mode

Hardware Features

  • Compliant with RoHS 2.0 standards
  • Compliant with CFast specification 2.0
  • High-quality 3D NAND flash and SLC mode for exceptional endurance and reliability
  • Durability: 10,000 insertion/removal cycles
  • Promised operational reliability in a wide temperature range (from -40°C to 85°C)



Dimensions42.8 mm x 36.4 mm x 3.3 mm (1.69" x 1.43" x 0.13")
Form Factor
  • CFast


Bus Interface
  • SATA III 6Gb/s


Flash Type
  • 112-layer 3D NAND flash (SLC mode)
  • 20 GB
  • 40 GB
  • 80 GB
  • 160 GB
  • 320 GB

Operating Environment

Operating Voltage
  • 3.3V±5%
Operating Temperature
  • Standard Temp.
    -5°C (23°F) ~ 70°C (158°F)
  • Extended Temp.
    °C (°F) ~ °C (°F)
  • Wide Temp.
    -40°C (-40°F) ~ 85°C (185°F)
Storage Temperature-40°C (-40°F) ~ 85°C (185°F)
Humidity0% ~ 95%
  • 15 G, 11 ms, 3 axis
Vibration (Operating)3 G (peak-to-peak), 5 Hz ~ 800 Hz (frequency)


Power Consumption (Max.)1.2 watt(s)


Read Speed (Max.)Up to 550 MB/s
Write Speed (Max.)Up to 520 MB/s
Mean Time Between Failures (MTBF)3,000,000 hour(s)
  • Speed may vary due to host hardware, software, usage, and storage capacity.


  • CE
  • UKCA
  • FCC
  • ICES
  • BSMI
  • Three-year Limited Warranty
Warranty Policy
  • Please click here for more information about the Transcend Warranty Policy.
  • Due to the complexity and variety of industrial applications, Transcend cannot guarantee 100% compatibility with all platforms and under all scenarios. For special applications and environments, it is strongly suggested that you contact Transcend beforehand for clarification.

Order Information

  • TS20GCFX730
  • TS20GCFX730I
  • TS40GCFX730
  • TS40GCFX730I
  • TS80GCFX730
  • TS80GCFX730I
  • TS160GCFX730
  • TS160GCFX730I
  • TS320GCFX730
  • TS320GCFX730I