HP 645 G1 - Page 21

500 GB * 5400 rpm SATA
Hard Drive
Drive Weight 0.22 lb (101 g)
Capacity 500 GB
Height 0.37 in (9.5 mm)
Width 2.75 in (70 mm)
Interface ATA-8, SATA 2.6, 3.0 Gb/s, NCQ
Transfer Rate Synchronous (maximum) 300 MB/s (Drive Capability)
Seek Time
(typical reads, including
settling)
Single Track 3 ms
Average 13 ms
Maximum 24 ms
Rotational Speed 5400 rpm
Logical Blocks 976,773,168
Operating Temperature 32° to 140° F (0° to 60° C) [case temp]
Features ATA Security
1 TB * 5400 rpm
SATA Hard Drive
Drive Weight 0.254 lb (115 g)
Capacity 1 TB
Height 0.37 in (9.5 mm)
Width 2.75 in (70 mm)
Interface ATA-8, SATA 2.6, 3.0 Gb/s, NCQ
Transfer Rate Synchronous (maximum) 300 MB/s (Drive Capability)
Seek Time
(typical reads, including
settling)
Single Track 3 ms
Average 13 ms
Maximum 24 ms
Rotational Speed 5400 rpm
Logical Blocks 1,953,525,168
Operating Temperature 32° to 140° F (0° to 60° C) [case temp]
Features ATA Security
QuickSpecs
HP ProBook 645 G1 Notebook PC
HP ProBook 655 G1 Notebook PC
Technical Specifications
DA - 14689 North America — Version 8 — February 21, 2014 Page 21