5JDD1: Dell 146GB 6Gbps SAS 2.5in SFF 15000 RPM (Seagate ST9146853SS)

5JDD1 is the Dell part number for a 146GB 2.5 inch SAS hard drive with Seagate model number ST9146853SS, from the Savvio 15K.3 family. The 6Gb/s SAS interface has an external transfer rate of 600 MB/s, the spindle turns at 15,000 RPM and average latency is 2.0 ms.

Formatted capacity is 146.8 GB on a single disk with two heads, and the multisegmented cache is 64 MB. Average seek time is 2.6 ms for reads and 3.1 ms for writes, track-to-track seeks take 0.2 ms on reads and 0.4 ms on writes, and the sustained transfer rate falls from 202 MB/s at the outer diameter to 151 MB/s at the inner.

The annualized failure rate is 0.44 percent with one nonrecoverable LBA per 10E16 bits read. Average operating power is 7.41 W and average idle power is 3.86 W, with typical current of 0.42 A on 12 V and 0.48 A on 5 V. It works in ambient temperatures of 5 to 55 C and takes 60 G of operating shock for 2 ms.

The body is 15.00 mm high, 70.10 mm wide and 100.45 mm deep, weighing 0.193 kg. The Savvio 15K.3 targets tier 1 servers running transaction-based applications in blade, rack and tower systems. Another 146GB 15K 2.5 inch Dell drive is the X162K.