SSD CX400 gen.2 SATA III 2,5″

Forget about your spinning drive and treat yourself a 10x performance improvement by moving to CX400 gen.2 Solid State Drive. Apart for delivering better responsiveness your data will be much safer, as CX400 gen.2 doesn’t have any moving parts and is incomparably more shock and impact resistant than hard drive.

Key features
  • Available capacities:
    128 GB 256 GB 512 GB 1024 GB
  • 2,5" form factor
  • SATA III (6 Gb/s) interface
  • 3D TLC NAND flash technology
  • 3-year warranty + technical support

Next-generation NAND for your next SSD

GOODRAM CX400 gen.2 is based on the 3D TLC NAND flash memory. Thanks to this CX400 gen.2 operation is very stable and write endurance is improved compared to the previous-generation planar TLC NAND flash.

29 years of quality

The quality of our Solid State Drives is built upon the foundation of our 29-years experience in the storage industry. We strive to deliver products, consumers can enjoy on all levels. GOODRAM CX400 gen.2 is backed with our 3-year warranty with direct technical support.


128, 256, 512 GB
1TB (1024 GB)


SATA III (6 Gb/s). Backwards compatible with SATA II and I

Form factor


Memory chips

3D TLC NAND flash


up to 75 500 for read operations
up to 76 800 for write operations


2 000 000 hours

Operating temperature

0 - 70°C

Storage temperature

-45 - 85°C


100 x 69,85 x 7 mm


1Based on tests performed in Crystal Disk Mark 6.0.1 on SSD in FOB (fresh-out-of-box) state. Actual results may vary depending on your system configuration or SSD wear.
2Based on tests performed in Iometer on SSD in FOB (fresh-out-of-box) state. Actual results may vary depending on your system configuration or SSD wear.
128 GB256 GB512 GB1 TB (1024 GB)
Sequential read performance (max.)1550 MB/s550 MB/s550 MB/s550 MB/s
Sequential write performance (max.)1460 MB/s480 MB/s500 MB/s500 MB/s
Random read performance (4k QD64) (max.)2TBA65 000 IOPS75 500 IOPSTBA
Random write performance (4K QD64) (max.)2TBA61 440 IOPS76 800 IOPSTBA

Logistics data

CX400 gen. 2 128GB128 GBBlister packaging; includes: SSDSSDPR-CX400-128-G25908267923436
CX400 gen.2 256GB256 GBBlister packaging; includes: SSDSSDPR-CX400-256-G25908267923443
CX400 gen.2 512GB512 GBBlister packaging; includes: SSDSSDPR-CX400-512-G25908267923450
CX400 gen.2 1024GB1024 GB (1 TB)Blister packaging; includes: SSDSSDPR-CX400-01T-G25908267923467


The capacity for GOODRAM SSD is given in accordance with the IDEMA standard (LBA1-03). After formatting the drive, the capacity shown by the operating system may be lower than the advertised capacity.
Capacity in the specificationThe capacity visible in the operating system
128 GB119,24 GB
256 GB238,47 GB
512 GB476,94 GB
1024 GB (1 TB)953,87 GB

GOODRAM reserves the right to change the specification at any time without prior information.

Form factor Size File
Product brochure PDF 1 MB
Instructions PDF 1 MB
Photos ZIP 6 MB