Product comparison · 2 internal hard drives

HP 146GB SAS vs Seagate 200GB 3.5" SATA II

4specifications compared
3differ
1identical
28known for one product only

Key differences

The Seagate 200GB 3.5" SATA II has 54 GB more HDD capacity than the HP 146GB SAS (200 GB vs 146 GB). The HP 146GB SAS has 7,800 RPM more HDD speed than the Seagate 200GB 3.5" SATA II (15000 RPM vs 7200 RPM). Interface: SAS on the HP 146GB SAS, Serial ATA II on the Seagate 200GB 3.5" SATA II.

HDD capacity
- 146GB SAS:146 GB
- 200GB 3.5" SATA II:200 GB
HDD speed
- 146GB SAS:15000 RPM
- 200GB 3.5" SATA II:7200 RPM
Interface
- 146GB SAS:SAS
- 200GB 3.5" SATA II:Serial ATA II

Side by side

Differences highlightedShow differences only

Comparison of 146GB SAS, 200GB 3.5" SATA II
32 specifications	A HP 146GB SAS View product	B Seagate 200GB 3.5" SATA II View product
Features3 differ
HDD capacityDiffers	146 GB	200 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
InterfaceDiffers	SAS	Serial ATA II
Type	HDD	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
HDD number of headsKnown for one	Unknown — not stated by the source	16
Read seek timeKnown for one	Unknown — not stated by the source	8 ms
Write seek timeKnown for one	Unknown — not stated by the source	9 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Start/stop cyclesKnown for one	Unknown — not stated by the source	50000
Component forKnown for one	Server/workstation	Unknown — not stated by the source
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	2.6 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
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
Operating shockKnown for one	Unknown — not stated by the source	63 G
Non-operating shockKnown for one	Unknown — not stated by the source	350 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightKnown for one	Unknown — not stated by the source	580 g
Other featuresidentical
Drive devices burst data transfer rate (DMA)Known for one	Unknown — not stated by the source	2
Drive devices burst data transfer rate (PIO)Known for one	Unknown — not stated by the source	4
Drive devices burst data transfer rate (Ultra DMA)Known for one	Unknown — not stated by the source	5
Packaging contentidentical
Storage drive adapter includedKnown for one	No	Unknown — not stated by the source

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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