256-Gbyte SSDs feature fast cache, low power

256-Gbyte SSDs feature fast cache, low power

The MasterDrive SX line of solid-state disk drives incorporates 128 Mbytes of DRAM cache and an 8-channel controller that yields sequential read speeds up to 220 Mbytes/s and sequential write speeds up to 200 Mbytes/s. The drives take only 0.50 W in read mode and 0.15 W while idle.

The 2.5-in.-form-factor drives come in 64-, 128-, and 256-Gbyte capacities and have a SATA-II interface. They use MCL NAND flash; the 250-Gbyte drive is said to have an endurance of 140 years with 50-Gbyte write-erases every day. Operating shock specification is 1,500 g, vibration 16 g. (128-Gbyte model, $359 — available now.)

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