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
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*
Performance
Maximum sequential
read
Up to 540
MB/s
Up to 540
MB/s
(Compress
ible
Performan
ce)
Up to 540
MB/s
(Compress
ible
Performa
nce)
Up to 540
MB/s
(Compress
ible
Performan
ce)
Up to 2260
MB/s
Up to 540
MB/s
Up to 540
MB/s
Up to 540
MB/s
Maximum sequential
write
Up to 300
MB/s
Up to 490
MB/s
(Compress
ible
Performan
ce)
Up to 490
MB/s
(Compress
ible
Performa
nce)
Up to 490
MB/s
(Compress
ible
Performan
ce)
Up to 1260
MB/s
Up to 460
MB/s
Up to 455
MB/s
Up to 500
MB/s
Security ATA-8 security
Logical blocks 250,069,68
0
351,651,8
88
351,651,8
88
468,862,1
28
500,118,19
2
500,118,1
92
500,118,1
92
1,000,215,
216
Operating temperature 0°C to 70° C (32° F to 158° F) [ambient temp]
Features DIPM; TRIM;
DVESLP
DIPM;
TRIM;
DEVSLP
TCG OPAL
2.x; DIPM;
TRIM;
DEVSLP
TCG OPAL
2.x; DIPM;
TRIM;
DEVSLP
PCIe
Gen3x4 ,
TRIM, L1.2
TCG OPAL
2.x, DIPM;
TRIM;
DEVSLP
DIPM;
TRIM;
DEVSLP
DIPM;
TRIM;
DEVSLP
*1 TB = 1 trillion 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 specications 121