Product comparison · 2 internal hard drives

Dell 400-ALNY internal hard drive vs HP 581284-B21-NS internal hard drive

7specifications compared
4differ
3identical
5known for one product only

Key differences

The HP 581284-B21-NS internal hard drive has 2,800 RPM more HDD speed than the Dell 400-ALNY internal hard drive (10000 RPM vs 7200 RPM). The Dell 400-ALNY internal hard drive has 1" more HDD size than the HP 581284-B21-NS internal hard drive (3.5" vs 2.5"). The Dell 400-ALNY internal hard drive has 6 Gbit/s more HDD interface transfer rate than the HP 581284-B21-NS internal hard drive (12 Gbit/s vs 6 Gbit/s). HDD capacity: 4 TB on the Dell 400-ALNY internal hard drive, 450 GB on the HP 581284-B21-NS internal hard drive.

HDD capacity
- 400-ALNY internal hard drive:4 TB
- 581284-B21-NS internal hard drive:450 GB
HDD speed
- 400-ALNY internal hard drive:7200 RPM
- 581284-B21-NS internal hard drive:10000 RPM
HDD size
- 400-ALNY internal hard drive:3.5"
- 581284-B21-NS internal hard drive:2.5"
HDD interface transfer rate
- 400-ALNY internal hard drive:12 Gbit/s
- 581284-B21-NS internal hard drive:6 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of 400-ALNY, 581284-B21-NS
12 specifications	A Dell 400-ALNY internal hard drive Model 400-ALNY View product	B HP 581284-B21-NS internal hard drive Model 581284-B21-NS View product
Features4 differ
HDD capacityDiffers	4 TB	450 GB
HDD speedDiffers	7200 RPM	10000 RPM
HDD sizeDiffers	3.5"	2.5"
Hot-swapKnown for one	Yes	Unknown — not stated by the source
HDD interface transfer rateDiffers	12 Gbit/s	6 Gbit/s
Poweridentical
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source
Packaging contentidentical
Storage drive adapter includedKnown for one	No	Unknown — not stated by the source
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	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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