Product comparison · 2 internal hard drives

HP 500GB 7200RPM SATA 2.5 vs Lenovo ThinkStation 450GB SAS HDD

4specifications compared
3differ
1identical
14known for one product only

Key differences

The HP 500GB 7200RPM SATA 2.5 has 50 GB more HDD capacity than the Lenovo ThinkStation 450GB SAS HDD (500 GB vs 450 GB). The Lenovo ThinkStation 450GB SAS HDD has 7,800 RPM more HDD speed than the HP 500GB 7200RPM SATA 2.5 (15000 RPM vs 7200 RPM). Interface: Serial ATA on the HP 500GB 7200RPM SATA 2.5, SAS on the Lenovo ThinkStation 450GB SAS HDD.

HDD capacity
- 500GB 7200RPM SATA 2.5:500 GB
- ThinkStation 450GB SAS HDD:450 GB
HDD speed
- 500GB 7200RPM SATA 2.5:7200 RPM
- ThinkStation 450GB SAS HDD:15000 RPM
Interface
- 500GB 7200RPM SATA 2.5:Serial ATA
- ThinkStation 450GB SAS HDD:SAS

Side by side

Differences highlightedShow differences only

Comparison of 500GB 7200RPM SATA 2.5, ThinkStation 450GB SAS HDD
18 specifications	A HP 500GB 7200RPM SATA 2.5 View product	B Lenovo ThinkStation 450GB SAS HDD View product
Features3 differ
HDD capacityDiffers	500 GB	450 GB
HDD speedDiffers	7200 RPM	15000 RPM
InterfaceDiffers	Serial ATA	SAS
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
Read seek timeKnown for one	Unknown — not stated by the source	3.5 ms
Average latencyKnown for one	Unknown — not stated by the source	2 ms
SMART technologyKnown for one	Unknown — not stated by the source	Yes
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	4 in
DepthKnown for one	Unknown — not stated by the source	5.8 in
HeightKnown for one	Unknown — not stated by the source	1 in
Other featuresidentical
HDD transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7
Mac compatibilityKnown for one	Unknown — not stated by the source	No
Compatible productsKnown for one	EliteBook 8540w	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	5 V	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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