HP Z420 Specification page 35

QuickSpecs
Technical Specifications - Hard Drives
SATA (Serial ATA) Hard
Drives for HP
Workstations
HP 900GB SAS 10K SFF
HDD
HP 1.2TB SAS 10K SFF HDD Capacity
250GB SATA 10K rpm SFF
HDD
DA - 14261 North America — Version 33 — December 12, 2013
Capacity
Height
Width
Interface
Synchronous Transfer
Rate (Maximum)
Buffer
Cache
Seek Time (typical reads,
includes controller
overhead, including
settling)
Rotational Speed
Logical Blocks
Operating Temperature
Height
Width
Interface
Synchronous Transfer
Rate (Maximum)
Buffer
Cache
Seek Time (typical reads,
includes controller
overhead, including
settling)
Rotational Speed
Logical Blocks
Operating Temperature
Capacity
Height
Width
Interface
HP Z420 Workstation
900GB
0.6 in; 1.53 cm
Media Diameter 2.5 in; 6.36 cm
Physical Size 2.75 in; 6.99 cm
SAS 6Gb/s
Up to 600MB/s
64MB
multi-segmentable cache buffer
Single Track 0.2ms (max)
Average 3.5 ms
Full Stroke 7.0 ms
10,000 rpm
1,758,174,767
41° to 131° F (5° to 55° C)
1.2TB
0.6 in; 1.53 cm
Media Diameter 2.5 in; 6.36 cm
Physical Size 2.75 in; 6.99 cm
SAS 6Gb/s
Up to 600MB/s
64MB
multi-segmentable cache buffer
Single Track 0.18ms (max)
Average 3.5ms
Full Stroke 7.17ms
10,000 rpm
2,344,225,968
41° to 131° F (5° to 55° C)
250GB
0.6 in; 1.53 cm
Media Diameter 2.5 in; 6.36 cm
Physical Size 2.75 in; 6.99 cm
Serial ATA (6Gb/s)
Page 35