500 GB
*
5400 rpm SATA
FIPS
**
Hard Drive
Drive Weight
0.25 lbs (95g)
Capacity
500 GB
Height
0.28 in (7 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
1.5 ms
Average
11 ms
Maximum
22 ms
Cache
16 MB
Rotational Speed
5400 rpm
Logical Blocks
976,773,168
Operating Temperature
32° to 140° F (0° to 60° C) [case temp]
Features
ATA Security
* FIPS-certified, hardware-based AES-256 encryption image
SATA 6 Gb/s 128 GB
*
, 2.5-
inch Solid State Drive
Drive Weight
73 Grams
Capacity
128 GB
Height
0.276 in (7 mm)
Width
2.76 in (70 mm)
Interface
SATA 3 (6 Gb/s)
Performance
Maximum Sequential Read
Maximum Sequential Write
415 MB/s
175 MB/s
Logical Blocks
250,069,680
Operating Temperature
32° to 158°F (0° to 70°C) [case temp]
Features
ATA Security; ATA-8; SATA 3.0; DIPM; TRIM
SATA 6 Gb/s 180 GB
*
, 2.5-
inch SATA Solid State
Drive
Drive Weight
78 Grams
Capacity
180 GB
Height
0.276 in (7 mm)
Width
2.76 in (70 mm)
Interface
SATA Gen 3 (6 Gb/s)
Performance
Maximum Sequential Read
Maximum Sequential Write
Up to 550 MB/s
Up to 520 MB/s
Logical Blocks
351,651,888
Operating Temperature
32° to 158°F (0° to 70°C) [case temp]
Features
ATA Security; ATA-8, SATA 3.0; DIPM; TRIM
QuickSpecs
HP ProBook 645 G1 Notebook PC
HP ProBook 655 G1 Notebook PC
Technical Specifications
DA - 14689 North America — Version 8 — February 21, 2014
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