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 limited by the TBW* parameter and free technical support

Breathe life back into your computer

GOODRAM presents the next generation of popular SSDs, dedicated to home and office solutions. CX400 gen. 2 is the name of the new SSD series targeted at users looking for a much faster and more reliable alternative to a traditional hard drive.

Wide range of use

If your computer is performing slower than you like, replacing the HDD with an SSD is one of the most cost-effective changes you can make. It will completely change your computing experience. SSDs are faster because they call up data more rapidly, so they accelerate boot-up times and apploading.

Reliable 3D TLC

GOODRAM CX400 gen. 2 SSD provides best-in-class performance and reliability. The refreshed disk is equipped with 3D TLC NAND Flash memory. Detailed firmware guaranteefull software data protection, consistency and security during use.

Security & warranty

CX400 gen. 2 SSD is built around selected TLC NAND memory chips. Detailed tests and selection of components made it possible to create an efficientand durable SSD. The quality of this product is recognized by a three-year warranty.


* TBW (Total Bytes Written) – SSD durability, a parameter that determines the maximum amount of data that can be saved on a drive until the warranty expires. The TBW parameter is defined in the SSD product specifications.


128, 256, 512 GB, 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. 3The warranty period ends on the date when the SSD has exceeded its TBW.
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
TBW (TB)390180350720

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
Firmware SSD SATA ZIP 20 MB
Software ZIP 42 MB
Product brochure PDF 1 MB
Instructions PDF 1 MB
Photos ZIP 6 MB