Product comparison · 2 internal hard drives

Seagate Constellation ST9500622NS internal hard drive vs Seagate Constellation ST9500622SS internal hard drive

Key differences

Interface
- Constellation ST9500622NS internal hard drive:Serial ATA
- Constellation ST9500622SS internal hard drive:SAS

Differences highlightedShow differences only

Comparison of ST9500622NS, ST9500622SS
31 specifications	A Seagate Constellation ST9500622NS internal hard drive Model ST9500622NS View product	B Seagate Constellation ST9500622SS internal hard drive Model ST9500622SS View product
Features1 differ
HDD capacity	500 GB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA	SAS
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Storage drive buffer size	64 MB	64 MB
HDD number of heads	4	4
Read seek time	8.5 ms	8.5 ms
Write seek time	9.5 ms	9.5 ms
Average latency	4.16 ms	4.16 ms
Bytes per sector	512	512
Start/stop cycles	300000	300000
Poweridentical
Operating voltage	5 V	5 V
Start-up current	2 A	2 A
Operational conditionsidentical
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating vibration	0.5 G	0.5 G
Non-operating vibration	3 G	3 G
Operating altitude	-60.96 - 3048 m	-60.96 - 3048 m
Non-operating altitude	-60.96 - 12192 m	-60.96 - 12192 m
Operating shock	70 G	70 G
Non-operating shock	400 G	400 G
Weight & dimensionsidentical
Width	70 mm	70 mm
Depth	14.8 mm	14.8 mm
Height	100.5 mm	100.5 mm
Weight	183 g	183 g
Other featuresidentical
Data transfer rate	4.69 Gbit/s	4.69 Gbit/s
Disks included quantity	2 pc(s)	2 pc(s)
Internal	Yes	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.