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X-500_data_sheet_SA-QxBJ_Rev102.doc

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Page 7 of 53

4.2 System Performance

Table 4: System Performance (measured)

System Performance

Typ.

Unit

Data transfer Rate (SATA burst (1.5 or 3.0Gb/s))

150 or 300

MB/s

Sequential Read

16GB

226

MB/s

32GB

228

64GB

228

128GB

247

256GB

246

512GB

236

Sequential Write

16GB

142

32GB

162

64GB

163

128GB

189

256GB

189

512GB

220

Random Read 4kB

16GB

14150

IOPS

32GB

14400

64GB

14400

128GB

14300

256GB

14300

512GB

14300

Random Write 4kB

16GB

4900

32GB

5300

64GB

5300

128GB

3800

256GB

3800

512GB

3800

All values refer to Toshiba Flash chips (see part number) with SATA 3.0Gbit/s. Sustained Speed depends on flash type and number, file/cluster

size, and burst speed.

MB/s = 1,000,000 byte/s. Measured with CrystalDiskMark 3.0.2 on Windows 7, NTFS, 5x500MB, QD=32.