Product comparison · 2 internal hard drives

HP 870759-K21 internal hard drive vs Seagate ST4000NM0025-RF internal hard drive

10specifications compared
7differ
3identical
17known for one product only

Key differences

The HP 870759-K21 internal hard drive has 7,800 RPM more HDD speed than the Seagate ST4000NM0025-RF internal hard drive (15000 RPM vs 7200 RPM). The Seagate ST4000NM0025-RF 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 152.2 mm more width than the Seagate ST4000NM0025-RF 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 ST4000NM0025-RF internal hard drive. Weight: 1.36 kg on the HP 870759-K21 internal hard drive, 655 g on the Seagate ST4000NM0025-RF internal hard drive.

HDD capacity
- 870759-K21 internal hard drive:900 GB
- ST4000NM0025-RF internal hard drive:4 TB
HDD speed
- 870759-K21 internal hard drive:15000 RPM
- ST4000NM0025-RF internal hard drive:7200 RPM
HDD size
- 870759-K21 internal hard drive:2.5"
- ST4000NM0025-RF internal hard drive:3.5"
Width
- 870759-K21 internal hard drive:254 mm
- ST4000NM0025-RF internal hard drive:101.8 mm
Depth
- 870759-K21 internal hard drive:219.2 mm
- ST4000NM0025-RF internal hard drive:147 mm
Height
- 870759-K21 internal hard drive:127 mm
- ST4000NM0025-RF internal hard drive:26.1 mm
Weight
- 870759-K21 internal hard drive:1.36 kg
- ST4000NM0025-RF internal hard drive:655 g

Side by side

Differences highlightedShow differences only

Comparison of 870759-K21, ST4000NM0025-RF
27 specifications	A HP 870759-K21 internal hard drive Model 870759-K21 View product	B Seagate ST4000NM0025-RF internal hard drive Model ST4000NM0025-RF View product
Features3 differ
HDD capacityDiffers	900 GB	4 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
Interface	SAS	SAS
Type	HDD	HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	128 MB
HDD sustained transfer rateKnown for one	Unknown — not stated by the source	215 MiB/s
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
RefurbishedKnown for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	2000000 h
Component forKnown for one	Server	Unknown — not stated by the source
Hot-swapKnown for one	Yes	Unknown — not stated by the source
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	10.5 W
Power consumption (idle)Known for one	Unknown — not stated by the source	6.7 W
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 60 °C
Non-operating vibrationKnown for one	Unknown — not stated by the source	5 G
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	250 G
Weight & dimensions4 differ
WidthDiffers	254 mm	101.8 mm
DepthDiffers	219.2 mm	147 mm
HeightDiffers	127 mm	26.1 mm
WeightDiffers	1.36 kg	655 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	20 pc(s)
Logistics dataidentical
Harmonized System (HS) code	84717050	84717050

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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