Product comparison · 2 internal hard drives

HP 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive vs HP 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive

14specifications compared
11differ
3identical
1known for one product only

Key differences

The HP 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive has 7,800 RPM more HDD speed than the HP 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive (15000 RPM vs 7200 RPM). The HP 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive has 1" more HDD size than the HP 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive (3.5" vs 2.5"). The HP 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive has 6 Gbit/s more HDD interface transfer rate than the HP 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive (12 Gbit/s vs 6 Gbit/s). HDD capacity: 450 GB on the HP 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive, 4 TB on the HP 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive. Operating voltage: 5 V on the HP 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive, 5 / 12 V on the HP 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive.

HDD capacity
- 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive:450 GB
- 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive:4 TB
HDD speed
- 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive:15000 RPM
- 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive:7200 RPM
HDD size
- 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive:2.5"
- 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive:3.5"
HDD interface transfer rate
- 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive:12 Gbit/s
- 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive:6 Gbit/s
Full stroke seek time
- 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive:5.9 ms
- 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive:15.7 ms
Track to track seek time
- 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive:0.15 ms
- 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive:0.7 ms
Average seek time
- 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive:2.9 ms
- 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive:8.5 ms
Operating voltage
- 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive:5 V
- 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive, 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive
15 specifications	A HP 450GB 12G SAS 15K rpm SFF (2.5-inch) Enterprise 3yr Warranty Hard Drive View product	B HP 4TB 6G SAS 7.2k rpm LFF (3.5-inch) Quick-release Midline 1yr Warranty Hard Drive View product
Features7 differ
HDD capacityDiffers	450 GB	4 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
HDD interface transfer rateDiffers	12 Gbit/s	6 Gbit/s
Full stroke seek timeDiffers	5.9 ms	15.7 ms
Track to track seek timeDiffers	0.15 ms	0.7 ms
Average seek timeDiffers	2.9 ms	8.5 ms
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Weight & dimensions3 differ
WidthDiffers	78.7 mm	105.6 mm
DepthDiffers	138.4 mm	147 mm
HeightDiffers	16 mm	29.6 mm
WeightKnown for one	Unknown — not stated by the source	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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