QuickSpecs

500GB SATA 7200 rpm
6Gb/s 3.5" HDD
Capacity 500GB
Height 1 in; 2.5 cm
Width Media Diameter 3.5 in; 8.9 cm
Physical Size 4 in; 10.17 cm
Interface Serial ATA (6.0Gb/s), NCQ enabled
Synchronous Transfer
Rate (Maximum)
Up to 600MB/s
Buffer 16 MB
Seek Time (typical reads,
includes controller
overhead, including
settling)
Single Track 2 ms
Average 11 ms
Full Stroke 21 ms
Rotational Speed 7,200 rpm
Logical Blocks 976,773,168
Operating Temperature 41° to 131° F (5° to 55° C)
1TB SATA 7200 rpm 6Gb/s
3.5" HDD
Capacity 1 Terabyte (1000 GB)
Height 1 in; 2.54 cm
Width Media Diameter 3.5 in; 8.9 cm
Physical Size 4.0 in; 10.17 cm
Interface Serial ATA (6.0Gb/s), NCQ enabled
Synchronous Transfer
Rate (Maximum)
Up to 600 MB/s
Buffer 32MB
Seek Time (typical reads,
includes controller
overhead, including
settling)
Single Track 2 ms
Average 11 ms
Full Stroke 21 ms
Rotational Speed 7,200 rpm
Logical Blocks 1,953,525,168
Operating Temperature 41° to 131° F (5° to 55° C)
2.0TB SATA 7200 rpm
6Gb/s 3.5" HDD
Capacity 2.0TB
Height 1 in; 2.54 cm
Width Media Diameter 3.5 in; 8.9 cm
Physical Size 4 in; 10.17 cm
Interface Serial ATA (6.0 Gb/s), NCQ Enabled
Synchronous Transfer
Rate (Maximum)
Up to 600 MB/s
Buffer 64MB
QuickSpecs
HP Z420 Workstation
Technical Specifications - Hard Drives
DA - 14261 North America — Version 36 — March 1, 2014 Page 36