Product comparison · 2 internal hard drives

HP 870759-K21 internal hard drive vs Seagate Exos M

12specifications compared
9differ
3identical
14known for one product only

Key differences

The HP 870759-K21 internal hard drive has 7,800 RPM more HDD speed than the Seagate Exos M (15000 RPM vs 7200 RPM). The Seagate Exos M 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 Exos M (254 mm vs 101.8 mm). HDD capacity: 900 GB on the HP 870759-K21 internal hard drive, 28 TB on the Seagate Exos M. Interface: SAS on the HP 870759-K21 internal hard drive, Serial ATA on the Seagate Exos M.

HDD capacity
- 870759-K21 internal hard drive:900 GB
- Exos M:28 TB
HDD speed
- 870759-K21 internal hard drive:15000 RPM
- Exos M:7200 RPM
HDD size
- 870759-K21 internal hard drive:2.5"
- Exos M:3.5"
Interface
- 870759-K21 internal hard drive:SAS
- Exos M:Serial ATA
Component for
- 870759-K21 internal hard drive:Server
- Exos M:Server/workstation
Width
- 870759-K21 internal hard drive:254 mm
- Exos M:101.8 mm
Depth
- 870759-K21 internal hard drive:219.2 mm
- Exos M:147 mm
Height
- 870759-K21 internal hard drive:127 mm
- Exos M:26.1 mm

Side by side

Differences highlightedShow differences only

Comparison of 870759-K21, Exos M
26 specifications	A HP 870759-K21 internal hard drive Model 870759-K21 View product	B Seagate Exos M View product
Features5 differ
HDD capacityDiffers	900 GB	28 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA
Type	HDD	HDD
Component forDiffers	Server	Server/workstation
Hot-swap	Yes	Yes
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	512 MB
HDD interface transfer rate	12 Gbit/s	12 Gbit/s
HDD sustained transfer rateKnown for one	Unknown — not stated by the source	257 MiB/s
HDD average transfer rateKnown for one	Unknown — not stated by the source	270 MB/s
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Uncorrectable Bit Error Rate (UBER)Known for one	Unknown — not stated by the source	< 1 per 10^15 bits read
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	2500000 h
Poweridentical
Power consumption (idle)Known for one	Unknown — not stated by the source	6.9 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	10 - 60 °C
Non-operating vibrationKnown for one	Unknown — not stated by the source	2.27 G
Operating shockKnown for one	Unknown — not stated by the source	30 G
Non-operating shockKnown for one	Unknown — not stated by the source	200 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	695 g
Other featuresidentical
Warranty periodKnown for one	Unknown — not stated by the source	5 year(s)
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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