Product comparison · 2 internal hard drives

HP 870759-K21 internal hard drive vs Seagate SkyHawk ST4000VX005 internal hard drive

10specifications compared
9differ
1identical
13known for one product only

Key differences

The Seagate SkyHawk ST4000VX005 internal hard drive has 1" more HDD size than the HP 870759-K21 internal hard drive (3.5" vs 2.5"). The HP 870759-K21 internal hard drive has 6 Gbit/s more HDD interface transfer rate than the Seagate SkyHawk ST4000VX005 internal hard drive (12 Gbit/s vs 6 Gbit/s). The HP 870759-K21 internal hard drive has 152.2 mm more width than the Seagate SkyHawk ST4000VX005 internal hard drive (254 mm vs 101.8 mm). HDD capacity: 900 GB on the HP 870759-K21 internal hard drive, 4 TB on the Seagate SkyHawk ST4000VX005 internal hard drive. Interface: SAS on the HP 870759-K21 internal hard drive, Serial ATA III on the Seagate SkyHawk ST4000VX005 internal hard drive.

HDD capacity
- 870759-K21 internal hard drive:900 GB
- SkyHawk ST4000VX005 internal hard drive:4 TB
HDD size
- 870759-K21 internal hard drive:2.5"
- SkyHawk ST4000VX005 internal hard drive:3.5"
Interface
- 870759-K21 internal hard drive:SAS
- SkyHawk ST4000VX005 internal hard drive:Serial ATA III
Component for
- 870759-K21 internal hard drive:Server
- SkyHawk ST4000VX005 internal hard drive:Digital video recorder (DVR)
HDD interface transfer rate
- 870759-K21 internal hard drive:12 Gbit/s
- SkyHawk ST4000VX005 internal hard drive:6 Gbit/s
Width
- 870759-K21 internal hard drive:254 mm
- SkyHawk ST4000VX005 internal hard drive:101.8 mm
Depth
- 870759-K21 internal hard drive:219.2 mm
- SkyHawk ST4000VX005 internal hard drive:20.2 mm
Height
- 870759-K21 internal hard drive:127 mm
- SkyHawk ST4000VX005 internal hard drive:147 mm

Side by side

Differences highlightedShow differences only

Comparison of 870759-K21, ST4000VX005
23 specifications	A HP 870759-K21 internal hard drive Model 870759-K21 View product	B Seagate SkyHawk ST4000VX005 internal hard drive Model ST4000VX005 View product
Features5 differ
HDD capacityDiffers	900 GB	4 TB
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA III
Type	HDD	HDD
Component forDiffers	Server	Digital video recorder (DVR)
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	256 MB
HDD interface transfer rateDiffers	12 Gbit/s	6 Gbit/s
Uncorrectable Bit Error Rate (UBER)Known for one	Unknown — not stated by the source	< 1 per 10^14 bits read
24/7 operationKnown for one	Unknown — not stated by the source	Yes
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1000000 h
HDD speedKnown for one	15000 RPM	Unknown — not stated by the source
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	3.7 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.25 W
Power consumption (idle)Known for one	Unknown — not stated by the source	2.5 W
Start-up currentKnown for one	Unknown — not stated by the source	1.8 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 70 °C
Weight & dimensions4 differ
WidthDiffers	254 mm	101.8 mm
DepthDiffers	219.2 mm	20.2 mm
HeightDiffers	127 mm	147 mm
WeightDiffers	1.36 kg	490 g
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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