Product comparison · 2 internal hard drives

HP 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive vs HP 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive

15specifications compared
13differ
2identical
1known for one product only

Key differences

The HP 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive has 7,800 RPM more HDD speed than the HP 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive (15000 RPM vs 7200 RPM). The HP 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive has 1" more HDD size than the HP 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive (3.5" vs 2.5"). The HP 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive has 3 Gbit/s more HDD interface transfer rate than the HP 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive (6 Gbit/s vs 3 Gbit/s). HDD capacity: 146 GB on the HP 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive, 2 TB on the HP 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive. Interface: SAS on the HP 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive, Serial ATA on the HP 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive.

HDD capacity
- 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive:146 GB
- 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive:2 TB
HDD speed
- 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive:15000 RPM
- 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive:7200 RPM
HDD size
- 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive:2.5"
- 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive:3.5"
Interface
- 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive:SAS
- 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive:Serial ATA
HDD interface transfer rate
- 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive:6 Gbit/s
- 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive:3 Gbit/s
Full stroke seek time
- 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive:7 ms
- 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive:16.9 ms
Track to track seek time
- 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive:0.4 ms
- 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive:0.5 ms
Average seek time
- 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive:3 ms
- 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive:8.5 ms

Side by side

Differences highlightedShow differences only

Comparison of 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive, 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive
16 specifications	A HP 146GB 6G SAS 15K rpm SFF (2.5-inch) SC Enterprise 3yr Warranty Hard Drive View product	B HP 2TB 3G SATA 7.2K rpm LFF (3.5-inch) Non-hot Plug Midline 1yr Warranty Hard Drive View product
Features8 differ
HDD capacityDiffers	146 GB	2 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA
Type	HDD	HDD
Hot-swapKnown for one	Unknown — not stated by the source	No
HDD interface transfer rateDiffers	6 Gbit/s	3 Gbit/s
Full stroke seek timeDiffers	7 ms	16.9 ms
Track to track seek timeDiffers	0.4 ms	0.5 ms
Average seek timeDiffers	3 ms	8.5 ms
Bytes per sector	512	512
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Weight & dimensions4 differ
WidthDiffers	75.7 mm	101.6 mm
DepthDiffers	118.7 mm	146 mm
HeightDiffers	15.6 mm	26.1 mm
WeightDiffers	450 g	1.36 kg

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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