Archival product


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

CX400 Firmware upgrade is now availaible in DOWNLOAD section.

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

Next-generation NAND for your next SSD

GOODRAM CX400 is based on the 3D NAND flash memory. Thanks to this CX400 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 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 NAND flash


Phison PS3111-S11


up to 77 500 for read operations
up to 85 000 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 3.0.3 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 (1024GB)
Sequential read performance (max.)1550 MB/s550 MB/s550 MB/s550 MB/s
Sequential write performance (max.)1450 MB/s490 MB/s490 MB/s490 MB/s
Random read performance (4k QD64) (max.)2TBA65 00077500TBA
Random write performance (4K QD64) (max.)2TBA82 50085 000TBA

Logistics data

CX400 128GB128 GBBlister packaging; includes: SSDSSDPR-CX400-1285908267922972
CX400 256GB256 GBBlister packaging; includes: SSDSSDPR-CX400-2565908267922927
CX400 512GB512 GBBlister packaging; includes: SSDSSDPR-CX400-5125908267922934
CX400 1024GB1024 GB (1 TB)Blister packaging; includes: SSDSSDPR-CX400-01T5908267922989


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
CX400 Firmware upgrade ZIP 18 MB
Software ZIP 42 MB
Product brochure PDF 1 MB
Manual PDF 1 MB
Photos ZIP 3 MB

Know more about how Budget Gaming PC Build for 2020 with GOODRAM SSD CX400.

“GOODRAM CX400 SSD is not only one of the most attractive according the price 256GB SSDs (in Latvia), but it is able to deliver stable performance that is on par with much more expensive SSDs in some tests”.