QuickSpecs

QuickSpecs
HP Z640 Workstation
Technical Specifications - Hard Drives
c04400040 — DA – 15080 Worldwide — Version 4 — February 1, 2015
Page 36
STORAGE/HARD DRIVES
SAS Hard Drives for
HP Workstations
600GB SAS 15K rpm 6Gb/s
3.5" HDD
Capacity
600GB
Height
1 in; 2.54 cm
Width
Media Diameter
3.5 in; 8.9 cm
Physical Size
4 in; 10.17 cm
Interface
SAS
Synchronous Transfer Rate (Maximum)
6.0 Gb/s
Buffer
16 MB
Buffer
16 MB
Seek Time (typical reads, includes
controller overhead, including settling)
Single Track
0.2 ms
Average
3.4 ms
Full Stroke
6.6 ms
Rotational Speed
15,000 rpm
Logical Blocks
1,172,123,568 - 512 byte blocks
Operating Temperature
50° to 95° F (10° to 35° C)
300GB SAS 15K rpm 6Gb/s
3.5" HDD
Capacity
300GB
Height
1 in; 2.54 cm
Width
Media Diameter
3.5 in; 8.9 cm
Physical Size
4 in; 10.17 cm
Interface
SAS
Synchronous Transfer Rate (Maximum)
6Gb/s
Buffer
16MB
Seek Time (typical reads, includes
controller overhead, including settling)
Single Track
0.2 ms (max)
Average
3.4 ms
Full Stroke
6.6 ms
Rotational Speed
15,000 rpm
Logical Blocks
585,937,500
Operating Temperature
50° to 95° F (10° to 35° C)
300GB SAS 10K rpm 6Gb/s
3.5" HDD
Capacity
300GB
Height
0.6 in; 1.53 cm
Width
Media Diameter
2.5 in; 6.36 cm
Physical Size
2.75 in; 6.99 cm
Interface
SAS
Synchronous Transfer Rate (Maximum)
Up to 600 MB/s
Buffer
64MB
Cache
multi-segmentable cache buffer
Seek Time (typical reads, includes
controller overhead, including settling)
Single Track
0.4 ms (max)
Average
3.6 ms
Full Stroke
7.3 ms
Rotational Speed
10,000 rpm