ADATA Premier SP550 120GB M.2 SSD Review


With modern mid to high-end motherboards wide adaptation of M.2 ports and lots of users opting for a smaller size M.2 SSDs, demand for a budget M.2 SSD is high. To target this demand, ADATA brings Premier SP550 M.2 SSD, which is a 2280 SATA 6Gb/s solid state drive.  Its maximum read/write speeds are 560/510 MB per second, with 4K random read at up to 75K IOPS thanks to a high-quality SMI controller and SLC caching technology. The ADATA Premier SP550 is available in capacity of 120, 240 and 480GB version.

The ADATA Premier SP550 is designed for use in slim notebooks or other M.2 supportive devices, with small and lightweight. Today we are going to check the smallest member of the series ADATA Premier SP550 M.2 120GB model which has similar read speeds as its bigger capacity brothers but little slower writes speed.


  • Ultra compact M.2 2280 form factor
  • SLC Caching
  • DRAM Cache Buffer
  • Advanced hardware LDPC ECC technology
  • DEVSLP (Device Sleep) supported
  • RAID Engine and Data Shaping
  • ADATA SSD Toolbox software