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AData’s SP900 is the premier SATA III 6 Gb/s solid state drive from the maker of S599 and S511. It is a MLC-based asynchronous flash storage device that is capable of reaching a maximum sequential read speed of 550 MB/s and write speed of 520 MB/s. Although essentially a 2.5 inch SSD, the SP900 comes with a 3.5″ bracket to facilitate easy installations. The drive comes in two capacities, namely 64 GB, 128 GB and 256 GB.

The IOPS numbers for this drive is at 85,000. AData boasts that this drive offers 7% more actual capacity than the other solid state drives in the market. Standard features like SMART and TRIM are available. The package contains an Acronis True Image HD software as well as a disk migration utility. The Mean Time Between Failure for this drive is 1,000,000 hours and it comes with a limited warranty of three years.


  • Sequential Read: Up to 550 MB/second
  • Sequential Write: Up to 520 MB/second
  • NAND type: MLC
  • Interface: SATA 3 6GBps
  • Controller: SandForce SF-2281
  • Form Factor: 2.5 inches
  • DRAM Cache: None
  • Power Consumption (Active): 4.7W
  • Power Consumption (Idle): 0.6W
  • TRIM support: Yes
  • SMART support: Yes
  • Warranty: 3 years
  • MTBF: 1,000,000 hours

Price Comparison:

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Overall, I was not very impressed with the ADATA Premier Pro SP900. Although the compressible data numbers matched the 555/530MB/s claims, incompressible data wasn’t even close.

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