HP EliteBook 840 G4 Notebook PC HP EliteBook 848 G4 Notebook PC Maintenance and Service Guide
Hard drive specications
1-TB* 500-GB* 500-GB* hybrid
Dimensions
Height 9.5 mm 7.0 mm 7.0 mm
Width 70 mm 70 mm 70 mm
Weight 115 g 101 g or 95 g 95 g
Interface type SATA SATA SATA
Transfer rate 100 MB/sec 100 MB/sec 100 MB/sec
Security ATA security ATA security ATA security
Seek times (typical read, including setting)
Single track 1.4 ms 3 ms 2 ms
Average 10 ms 13 ms 12 ms
Maximum 12 ms 24 ms 22 ms
Logical blocks 1,938,921,461 1,048,576,000 976,773,168
Disc rotational speed 5400 rpm 7200 rpm or 5400 rpm 5400 rpm
Operating temperature
*1 GB = 1 billion bytes when referring to hard drive storage capacity. Actual accessible capacity is less. Actual drive specications may
dier slightly.
NOTE: Certain restrictions and exclusions apply. Contact technical support for details.
92 Chapter 11 Specications