Product comparison · 2 internal hard drives

HP 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive vs HP 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive

12specifications compared
8differ
4identical
6known for one product only

Key differences

The HP 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive has 7,800 RPM more HDD speed than the HP 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive (15000 RPM vs 7200 RPM). The HP 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive has 9.6 ms more full stroke seek time than the HP 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive (16.2 ms vs 6.6 ms). The HP 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive has 0.36 ms more track to track seek time than the HP 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive (0.8 ms vs 0.44 ms). HDD capacity: 450 GB on the HP 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive, 4 TB on the HP 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive. Interface: SAS on the HP 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive, Serial ATA on the HP 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive.

HDD capacity
- 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive:450 GB
- 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:4 TB
HDD speed
- 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive:15000 RPM
- 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:7200 RPM
Interface
- 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive:SAS
- 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:Serial ATA
Full stroke seek time
- 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive:6.6 ms
- 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:16.2 ms
Track to track seek time
- 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive:0.44 ms
- 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:0.8 ms
Average seek time
- 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive:3.6 ms
- 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:8.5 ms
Width
- 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive:101.6 mm
- 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:105.8 mm
Height
- 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive:25.4 mm
- 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive:26.8 mm

Side by side

Differences highlightedShow differences only

Comparison of 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive, 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive
18 specifications	A HP 450GB 3G SAS 15K LFF (3.5-inch) Dual Port Enterprise 3yr Warranty Hard Drive View product	B HP 4TB 6G SATA 7.2k rpm LFF (3.5-inch) SC Midline 1yr Warranty Hard Drive View product
Features6 differ
HDD capacityDiffers	450 GB	4 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	SAS	Serial ATA
Type	HDD	HDD
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Full stroke seek timeDiffers	6.6 ms	16.2 ms
Track to track seek timeDiffers	0.44 ms	0.8 ms
Average seek timeDiffers	3.6 ms	8.5 ms
Bytes per sector	512	512
HDD interface transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Weight & dimensions2 differ
WidthDiffers	101.6 mm	105.8 mm
HeightDiffers	25.4 mm	26.8 mm
DepthKnown for one	Unknown — not stated by the source	17 mm
WeightKnown for one	Unknown — not stated by the source	1.36 kg
Other featuresidentical
Compatible productsKnown for one	ProLiant DL160 G6, ProLiant DL165 G5p, ProLiant DL180 G6, ProLiant ML350 G5	Unknown — not stated by the source
Weight (imperial)Known for one	1.6 lb	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.

More internal hard drive comparisons

All internal hard drive comparisons