Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
7
4.0 Drive Characteristics

4.1 Formatted Capacity

Table 2:Formatted Capacity

4.2 Data Sheet

Table 3:Data Sheet
Description HUS154545VLF400 HUS154530VLF400
Label capacity 450 GB 300 GB
Number of heads 8 8
Number of disks 4 4
Total data bytes (512
bytes/sector) 450,098,159,616 300,000,000,000
Total logical data
blocks 879,097,968
(3465F870h) 585,937,500
(22ECB25Ch)
Buffer to/from media 450 GB 1290 - 2120 [Mb/sec]
Buffer to/from media 300 GB 1265 - 1738 [Mb/sec]
Host to / from buffer (interface transfer rate) 106.25 MB/s (1 Gb/s) 212.5 MB/s (2 Gb/s)
425.0MB/s (4Gb/s)
Data buffer size 16MB
Number of buffer segments 1 - 254
Rotational speed 15,000 RPM
Recording density 1138 [Kbpi] (Max)
Track density 150,000 [TPI] (average)
Areal density 183 [Gb/sq. in.]
Data zones 23 Zones for 450 GB, 18 Zones for 300 GB.