Product comparison · 2 internal hard drives

HP 2TB SATA 6Gb/s 7200 Hard Drive vs Lenovo 73GB 15K rpm SAS Hard Drive

11specifications compared
8differ
3identical
11known for one product only

Key differences

The Lenovo 73GB 15K rpm SAS Hard Drive has 7,800 RPM more HDD speed than the HP 2TB SATA 6Gb/s 7200 Hard Drive (15000 RPM vs 7200 RPM). The HP 2TB SATA 6Gb/s 7200 Hard Drive has 48 MB more storage drive buffer size than the Lenovo 73GB 15K rpm SAS Hard Drive (64 MB vs 16 MB). The HP 2TB SATA 6Gb/s 7200 Hard Drive has 3 Gbit/s more HDD interface transfer rate than the Lenovo 73GB 15K rpm SAS Hard Drive (6 Gbit/s vs 3 Gbit/s). HDD capacity: 2 TB on the HP 2TB SATA 6Gb/s 7200 Hard Drive, 73 GB on the Lenovo 73GB 15K rpm SAS Hard Drive. Interface: Serial ATA on the HP 2TB SATA 6Gb/s 7200 Hard Drive, SAS on the Lenovo 73GB 15K rpm SAS Hard Drive.

HDD capacity
- 2TB SATA 6Gb/s 7200 Hard Drive:2 TB
- 73GB 15K rpm SAS Hard Drive:73 GB
HDD speed
- 2TB SATA 6Gb/s 7200 Hard Drive:7200 RPM
- 73GB 15K rpm SAS Hard Drive:15000 RPM
Interface
- 2TB SATA 6Gb/s 7200 Hard Drive:Serial ATA
- 73GB 15K rpm SAS Hard Drive:SAS
Storage drive buffer size
- 2TB SATA 6Gb/s 7200 Hard Drive:64 MB
- 73GB 15K rpm SAS Hard Drive:16 MB
HDD interface transfer rate
- 2TB SATA 6Gb/s 7200 Hard Drive:6 Gbit/s
- 73GB 15K rpm SAS Hard Drive:3 Gbit/s
Width
- 2TB SATA 6Gb/s 7200 Hard Drive:89 mm
- 73GB 15K rpm SAS Hard Drive:102 mm
Depth
- 2TB SATA 6Gb/s 7200 Hard Drive:101.7 mm
- 73GB 15K rpm SAS Hard Drive:26 mm
Height
- 2TB SATA 6Gb/s 7200 Hard Drive:25.4 mm
- 73GB 15K rpm SAS Hard Drive:147 mm

Side by side

Differences highlightedShow differences only

Comparison of 2TB SATA 6Gb/s 7200 Hard Drive, 73GB 15K rpm SAS Hard Drive
22 specifications	A HP 2TB SATA 6Gb/s 7200 Hard Drive View product	B Lenovo 73GB 15K rpm SAS Hard Drive View product
Features5 differ
HDD capacityDiffers	2 TB	73 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 sizeDiffers	64 MB	16 MB
HDD interface transfer rateDiffers	6 Gbit/s	3 Gbit/s
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
Full stroke seek timeKnown for one	21 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	2 ms	Unknown — not stated by the source
Average seek timeKnown for one	11 ms	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Weight & dimensions3 differ
WidthDiffers	89 mm	102 mm
DepthDiffers	101.7 mm	26 mm
HeightDiffers	25.4 mm	147 mm
WeightKnown for one	Unknown — not stated by the source	840 g
Other featuresidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
CertificationKnown for one	Unknown — not stated by the source	UL, TUV, IEC, CSA, CE MARK, C-Tick, BSMI

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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