HP Z420

Width Media Diameter 2.5 in; 6.36 cm
Physical Size 2.75 in; 6.99 cm
Interface Serial ATA (6Gb/s)
Synchronous Transfer
Rate (Maximum)
Up to 600MB/s
Buffer 32MB
Seek Time (typical reads,
includes controller
overhead, including
settling)
Single Track 1ms
Average 4.2ms
Full Stroke 25ms (typical)
Rotational Speed 7,200 rpm
Operating Temperature 32° to 140° F (0° to 60° C)
HP Solid State Drives
(SSDs) for Workstations
HP 128GB SATA 6Gb/s SSD Capacity 128GB
Height 0.28 in; 0.7 cm
Width Physical Size 2.5 in; 6.36 cm
Interface SATA 6Gb/s
Synchronous Transfer
Rate (Maximum)
Up to 500MB/s (Sequential Read)
Operating Temperature 32° to 158° F (0° to 70° C)
HP 256GB SATA 6Gb/s SSD Capacity 256GB
Height 0.28 in; 0.7 cm
Interface SATA 6Gb/s
Synchronous Transfer
Rate (Maximum)
Up to 500MB/s (Sequential Read)
Operating Temperature 32° to 158° F (0° to 70° C)
HP 256GB SATA 6Gb/s SED
SSD
Capacity 256GB
Height 0.28 in; 0.7 cm
Width Physical Size 2.5 in; 6.36 cm
Interface 6Gb/s SATA
Synchronous Transfer
Rate (Maximum)
Up to 500MB/s (Sequential Read)
Operating Temperature 32° to 158° F (0° to 70° C)
QuickSpecs
HP Z420 Workstation
Technical Specifications - Hard Drives
DA - 14261 North America — Version 33 — December 12, 2013 Page 39