Toshiba has updated its line of enterprise class hard disk drives with the new AL13SE series. Packed in a 2.5-inch form factor the new AL13SE series will be available in capacities ranging from 300 to 900GB.

The exact dimensions of the new AL13SE series are set at 69.85x100.45x15.00mm (WXDXH) and the drives weigh in at 240 grams. The entire series feature SAS 2.0 6Gbps interface, rotational speed of 10,500 RPM, 64MB of cache, 3.7 and 4.1ms of average read and write seek time and 4.7W/2.7W load/idle power consumption.

As noted, the series will feature four drives im 300, 450, 600 and 900GB capacities. Although it did not provice any specific performance details, Toshiba did note that due to an improved magnetic recording head and disc magnetic layer, the AL13SEB900 (900GB model) has an areal density of 856Mbit/mm2, which is currently the industry's highest class, and has an internal transfer rate of 286MB/s, a boost of around 32 percent over previous generation, thanks to the improved liner recording density.

Toshiba was also keen to note that it AL13SE series is frist HDD series from Toshiba to employ a dual-stage head position actuator that improves accuracy by 30 percent providing sstable operation and that AL13SE series has around 41 percent higher energy consumption efficiency when compared to previous generations.

Unfortunately, the price or the actual availability date have not been announced.