Product comparison · 2 internal hard drives

Seagate Exos 15E900 vs Seagate ST4000NE0025 4TB IRONWOLF PRO 3.5IN SATA3 NAS HARD DRIVE

7specifications compared
6differ
1identical
21known for one product only

Key differences

HDD capacity
- Exos 15E900:300 GB
- ST4000NE0025 4TB IRONWOLF PRO 3.5IN SATA3 NAS HARD DRIVE:4 TB
HDD speed
- Exos 15E900:15000 RPM
- ST4000NE0025 4TB IRONWOLF PRO 3.5IN SATA3 NAS HARD DRIVE:7200 RPM
HDD size
- Exos 15E900:2.5"
- ST4000NE0025 4TB IRONWOLF PRO 3.5IN SATA3 NAS HARD DRIVE:3.5"
Interface
- Exos 15E900:SAS
- ST4000NE0025 4TB IRONWOLF PRO 3.5IN SATA3 NAS HARD DRIVE:Serial ATA III
Component for
- Exos 15E900:Server/workstation
- ST4000NE0025 4TB IRONWOLF PRO 3.5IN SATA3 NAS HARD DRIVE:PC
HDD interface transfer rate
- Exos 15E900:12 Gbit/s
- ST4000NE0025 4TB IRONWOLF PRO 3.5IN SATA3 NAS HARD DRIVE:220 Gbit/s

Side by side

Differences highlightedShow differences only

Comparison of Exos 15E900, ST4000NE0025 4TB IRONWOLF PRO 3.5IN SATA3 NAS HARD DRIVE
28 specifications	A Seagate Exos 15E900 View product	B Seagate ST4000NE0025 4TB IRONWOLF PRO 3.5IN SATA3 NAS HARD DRIVE View product
Features6 differ
HDD capacityDiffers	300 GB	4 TB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA III
Type	HDD	HDD
Component forDiffers	Server/workstation	PC
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Storage drive buffer sizeKnown for one	256 MB	Unknown — not stated by the source
HDD interface transfer rateDiffers	12 Gbit/s	220 Gbit/s
HDD sustained transfer rateKnown for one	210 MiB/s	Unknown — not stated by the source
HDD number of headsKnown for one	2	Unknown — not stated by the source
Average latencyKnown for one	2 ms	Unknown — not stated by the source
Uncorrectable Bit Error Rate (UBER)Known for one	< 1 per 10^16 bits read	Unknown — not stated by the source
Rotational Vibration (RV) sensorsKnown for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1200000 h
Poweridentical
Power consumption (typical)Known for one	6.9 W	Unknown — not stated by the source
Power consumption (idle)Known for one	4.7 W	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 55 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	2.4 G	Unknown — not stated by the source
Operating shockKnown for one	40 G	Unknown — not stated by the source
Non-operating shockKnown for one	400 G	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	69.8 mm	Unknown — not stated by the source
DepthKnown for one	100.5 mm	Unknown — not stated by the source
HeightKnown for one	15 mm	Unknown — not stated by the source
WeightKnown for one	215 g	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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