Product comparison · 2 internal hard drives

HP 450GB 15K SAS vs Seagate 1500GB 3.5" SATA II

12specifications compared
9differ
3identical
17known for one product only

Key differences

HDD capacity
- 450GB 15K SAS:450 GB
- 1500GB 3.5" SATA II:1.5 TB
HDD speed
- 450GB 15K SAS:15000 RPM
- 1500GB 3.5" SATA II:7200 RPM
Interface
- 450GB 15K SAS:SAS
- 1500GB 3.5" SATA II:Serial ATA II
Storage drive buffer size
- 450GB 15K SAS:16 MB
- 1500GB 3.5" SATA II:32 MB
Operating temperature (T-T)
- 450GB 15K SAS:10 - 35 °C
- 1500GB 3.5" SATA II:5 - 55 °C
Storage temperature (T-T)
- 450GB 15K SAS:-20 - 60 °C
- 1500GB 3.5" SATA II:-40 - 70 °C
Width
- 450GB 15K SAS:102 mm
- 1500GB 3.5" SATA II:101.6 mm
Height
- 450GB 15K SAS:25 mm
- 1500GB 3.5" SATA II:26.1 mm

Side by side

Differences highlightedShow differences only

Comparison of 450GB 15K SAS, 1500GB 3.5" SATA II
29 specifications	A HP 450GB 15K SAS View product	B Seagate 1500GB 3.5" SATA II View product
Features4 differ
HDD capacityDiffers	450 GB	1.5 TB
HDD speedDiffers	15000 RPM	7200 RPM
InterfaceDiffers	SAS	Serial ATA II
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	32 MB
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Full stroke seek timeKnown for one	6.6 ms	Unknown — not stated by the source
Average seek timeKnown for one	3.6 ms	Unknown — not stated by the source
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	10 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
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	750000 h
Operational conditions2 differ
Operating temperature (T-T)Differs	10 - 35 °C	5 - 55 °C
Storage temperature (T-T)Differs	-20 - 60 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	102 mm	101.6 mm
HeightDiffers	25 mm	26.1 mm
WeightDiffers	840 g	640 g
DepthKnown for one	Unknown — not stated by the source	147 mm
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Other featuresidentical
InternalKnown for one	Yes	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Sustained data rateKnown for one	Unknown — not stated by the source	120 MB/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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