HP ProBook 640 G2 Notebook PC, HP ProBook 645 G2 Notebook PC, HP ProBook 650 G2 Notebook PC and HP ProBook 655 G2 Notebook PC - Maintenance and Service Guide

Hard drive specications
1-TB, 5400-rpm
SATA*
750-GB, 5400-rpm
Hybrid SATA 8GB
NAND **
500-GB, 7200-rpm
FIPS SATA Opal2 **
500-GB, 7200-rpm
SATA **
500-GB,
7200-rpm
self-
encrypting
SATA Opal2
**
Dimensions
Height 7.2 mm (0.28 in)
Width 69.85 mm (2.75 in)
Weight 99 g max
Interface type SATA
Transfer rate
Synchronous (maximum) 600 MB/s
Security ATA security
Seek times (typical read, including setting)
Single track 1.5 ms
Average (read/write) 12.0 ms
Maximum 22 ms
Logical blocks 1,953,525,168 976,773,168
Disk rotational speed 5400 rpm 7200 rpm
Operating temperature 0°C to 60°C (32°F to 140°F)
*1 TB = 1 trillion bytes when referring to hard drive storage capacity. Actual accessible capacity is less.
**1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less.
NOTE: Certain restrictions and exclusions apply. Contact technical support for details.
Solid-state drive specications
128 GB
2280 M2
SATA-3
TLC*
180 GB
2280 M2
SATA-3
MLC*
180 GB
2280 M2
SATA-3
self-
encryptin
g MLC
(Opal 2 *
240 GB
2280 M2
SATA-3
MLC*
256 GB
2280 M2
PCIe-3x4
NVMe MLC*
256 GB
2280 M2
SATA-3
self-
encryptin
g MLC
(Opal 2)*
256 GB
2280 M2
SATA-3
TLC*
512 GB
SATA - 3
TLC*
Dimensions
Weight 10 g
Height 2.38 mm (0.09 in)
Width 22 mm (0.87 in)
Interface type SATA Gen 3.0 (6 Gb/s)
120 Chapter 14 Specications