CFast Cards

CFX735 & CFX735I


Transcend's CFX735 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 CFX735 can operate stably under -5°C ~ 70°C, and wide-temperature(-40°C ~ 85°C) model can be provided upon request. The CFX735 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. Otherwise, the CFX735 includes an Write-Protect Switch—a simple yet powerful tool that instantly safeguards your data. With one quick switch, lock your files from accidental edits, deletions, or unauthorized changes. 


Technologies

112-Layer 3D NAND Flash

SLC Mode

Wide Temperature

Dynamic Thermal Throttling

AES Encryption

Read Disturbance

Garbage Collection

Wear Leveling

TRIM

Bad Block Management

Power Shield (PS)

Early Move

Firmware Features

  • Built-in LDPC ECC (Error Correction Code) functionality
  • Advanced Global Wear-Leveling and Block management for reliability
  • Early Move
  • 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
  • Power Shield (PS) to ensure data transfer integrity and minimize data corruption in the drive during an abnormal power outage
  • Promised operational reliability in a wide temperature range (from -40°C to 85°C)
  • Write Protect Switch

Specifications

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

Interface
Bus Interface
  • SATA III 6Gb/s

Storage
Flash Type
  • 112-layer 3D NAND flash (SLC mode)
Capacity
  • 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%
Shock
  • 15 G, 11 ms, 3 axis
Vibration (Operating)3 G (peak-to-peak), 5 Hz ~ 800 Hz (frequency)

Power
Power Consumption (Max.)1.2 watt(s)

Performance
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)
Note
  • Speed may vary due to host hardware, software, usage, and storage capacity.

Warranty
Certificate
  • CE
  • UKCA
  • FCC
  • ICES
Warranty
  • 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.

Awards

TAIWAN EXCELLENCE 2026

TAIWAN EXCELLENCE
Taiwan

Order Information

20GB
  • TS20GCFX735
  • TS20GCFX735I
40GB
  • TS40GCFX735
  • TS40GCFX735I
80GB
  • TS80GCFX735
  • TS80GCFX735I
160GB
  • TS160GCFX735
  • TS160GCFX735I
320GB
  • TS320GCFX735
  • TS320GCFX735I