Product comparison · 2 internal hard drives

Seagate 2TB SAS, 7200rpm vs Seagate Constellation ST9500622NS internal hard drive

22specifications compared
13differ
9identical
16known for one product only

Key differences

HDD capacity
- 2TB SAS, 7200rpm:2 TB
- Constellation ST9500622NS internal hard drive:500 GB
HDD size
- 2TB SAS, 7200rpm:3.5"
- Constellation ST9500622NS internal hard drive:2.5"
Interface
- 2TB SAS, 7200rpm:SAS
- Constellation ST9500622NS internal hard drive:Serial ATA
Operating voltage
- 2TB SAS, 7200rpm:5 / 12 V
- Constellation ST9500622NS internal hard drive:5 V
Start-up current
- 2TB SAS, 7200rpm:2.11 A
- Constellation ST9500622NS internal hard drive:2 A
Operating vibration
- 2TB SAS, 7200rpm:0.5 Gs
- Constellation ST9500622NS internal hard drive:0.5 G
Non-operating vibration
- 2TB SAS, 7200rpm:2 Gs
- Constellation ST9500622NS internal hard drive:3 G
Non-operating shock
- 2TB SAS, 7200rpm:300 G
- Constellation ST9500622NS internal hard drive:400 G

Side by side

Differences highlightedShow differences only

Comparison of 2TB SAS, 7200rpm, ST9500622NS
38 specifications	A Seagate 2TB SAS, 7200rpm View product	B Seagate Constellation ST9500622NS internal hard drive Model ST9500622NS View product
Features3 differ
HDD capacityDiffers	2 TB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer size	64 MB	64 MB
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
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
HDD number of headsKnown for one	Unknown — not stated by the source	4
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Start/stop cyclesKnown for one	Unknown — not stated by the source	300000
Power2 differ
Power consumption (typical)Known for one	9.57 W	Unknown — not stated by the source
Power consumption (idle)Known for one	5.69 W	Unknown — not stated by the source
Power consumption (read)Known for one	10.43 W	Unknown — not stated by the source
Power consumption (write)Known for one	10.15 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentDiffers	2.11 A	2 A
Operational conditions3 differ
Operating temperature (T-T)	5 - 60 °C	5 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating vibrationDiffers	0.5 Gs	0.5 G
Non-operating vibrationDiffers	2 Gs	3 G
Operating shock	70 G	70 G
Non-operating shockDiffers	300 G	400 G
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 12192 m
Weight & dimensions4 differ
WidthDiffers	101.8 mm	70 mm
DepthDiffers	147 mm	14.8 mm
HeightDiffers	26.1 mm	100.5 mm
WeightDiffers	710 g	183 g
Other features1 differ
Data transfer rateDiffers	6 Gbit/s	4.69 Gbit/s
Internal	Yes	Yes
Sustained data rateKnown for one	150 MB/s	Unknown — not stated by the source
Acoustic pressure emissionsKnown for one	2.7 dB	Unknown — not stated by the source
Disks included quantityKnown for one	Unknown — not stated by the source	2 pc(s)

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.

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