Product comparison · 2 internal hard drives

Seagate 146GB 2.5" SAS vs Seagate Momentus ST9160312AS internal hard drive

10specifications compared
10differ
0identical
17known for one product only

Key differences

The Seagate Momentus ST9160312AS internal hard drive has 14 GB more HDD capacity than the Seagate 146GB 2.5" SAS (160 GB vs 146 GB). The Seagate 146GB 2.5" SAS has 4,600 RPM more HDD speed than the Seagate Momentus ST9160312AS internal hard drive (10000 RPM vs 5400 RPM). The Seagate 146GB 2.5" SAS has 8 MB more storage drive buffer size than the Seagate Momentus ST9160312AS internal hard drive (16 MB vs 8 MB). Interface: SAS on the Seagate 146GB 2.5" SAS, Serial ATA II on the Seagate Momentus ST9160312AS internal hard drive. Component for: Server/workstation on the Seagate 146GB 2.5" SAS, Laptop on the Seagate Momentus ST9160312AS internal hard drive.

HDD capacity
- 146GB 2.5" SAS:146 GB
- Momentus ST9160312AS internal hard drive:160 GB
HDD speed
- 146GB 2.5" SAS:10000 RPM
- Momentus ST9160312AS internal hard drive:5400 RPM
Interface
- 146GB 2.5" SAS:SAS
- Momentus ST9160312AS internal hard drive:Serial ATA II
Component for
- 146GB 2.5" SAS:Server/workstation
- Momentus ST9160312AS internal hard drive:Laptop
Storage drive buffer size
- 146GB 2.5" SAS:16 MB
- Momentus ST9160312AS internal hard drive:8 MB
Read seek time
- 146GB 2.5" SAS:3.6 ms
- Momentus ST9160312AS internal hard drive:11 ms
Average latency
- 146GB 2.5" SAS:3 ms
- Momentus ST9160312AS internal hard drive:5.6 ms
Width
- 146GB 2.5" SAS:70 mm
- Momentus ST9160312AS internal hard drive:69.8 mm

Side by side

Differences highlightedShow differences only

Comparison of 146GB 2.5" SAS, ST9160312AS
27 specifications	A Seagate 146GB 2.5" SAS View product	B Seagate Momentus ST9160312AS internal hard drive Model ST9160312AS View product
Features7 differ
HDD capacityDiffers	146 GB	160 GB
HDD speedDiffers	10000 RPM	5400 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
InterfaceDiffers	SAS	Serial ATA II
TypeKnown for one	HDD	Unknown — not stated by the source
Component forDiffers	Server/workstation	Laptop
Storage drive buffer sizeDiffers	16 MB	8 MB
HDD number of headsKnown for one	2	Unknown — not stated by the source
Read seek timeDiffers	3.6 ms	11 ms
Write seek timeKnown for one	4.2 ms	Unknown — not stated by the source
Average latencyDiffers	3 ms	5.6 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1600000 h	Unknown — not stated by the source
Poweridentical
Power consumption (idle)Known for one	3.2 W	Unknown — not stated by the source
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Start-up currentKnown for one	2.00 A	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	2.4 G	Unknown — not stated by the source
Operating shockKnown for one	60 G	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	70 mm	69.8 mm
DepthKnown for one	100.5 mm	Unknown — not stated by the source
HeightDiffers	14.8 mm	9.5 mm
WeightDiffers	227 g	93 g
Other featuresidentical
InternalKnown for one	Unknown — not stated by the source	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.

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