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PQI S535 256GB SSD Review

Power Quotient International, or PQI as the are better known, began making DRAM modules but has been slowly building up their product line offerings and recently have released a number of solid state drives to the market. The most recent one to hit our test benches is their S535 line of drives in capacities of 64 GB to 256 GB. The latter being the model that we received for testing.

PQI S535 Front

While other drives hitting the market have mostly been of the SATA III variety, the S535 is a SATA II interfaced drive. A lot of users still have not upgraded to the newest boards supporting SATA III so there’s still a large market for drives of this design. The current MSRP for the 256 GB is unknown as PQI never got back to us on pricing and we can’t find it for sale online.

On quick glance, the packaging size and appearance almost looks like a VHS tape but upon closer inspection reveals its true product nature along with listing the various features and specifications that we’ve summarized below.

PQI S535 Features and Specifications:

  • Interface:
    • SATA II
  • Capacity:
    • 64GB~256GB
  • Data Transfer Rate:
    • Read:250MB/s
    • Write:250MB/s
  • OS Supported:
    • Windows 7,ME, 2000, XP, Vista / Mac 10.1 or above
  • Power Supply:
    • DC 5V ± 5%
  • Power Consumption:
    • Operating < 100mA
  • Dimensions:
    • 99.88 x 69.96 x 9.3 mm (3.93 x 2.75 x 0.37 in)
  • Weight:
    • 90 g (0.2 lb)
  • Housing:
    • Yes
  • Environment:
    • Operating Temperature: 0°C ~ +70°C
    • Storage Temperature : -40°C ~ +85°C

Read the full review at

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