Product comparison · 2 internal hard drives

Seagate Exos M vs Seagate S-series ST4000NC000-RF internal hard drive

13specifications compared
8differ
5identical
25known for one product only

Key differences

The Seagate Exos M has 24 TB more HDD capacity than the Seagate S-series ST4000NC000-RF internal hard drive (28 TB vs 4 TB). The Seagate Exos M has 1,300 RPM more HDD speed than the Seagate S-series ST4000NC000-RF internal hard drive (7200 RPM vs 5900 RPM). The Seagate Exos M has 448 MB more storage drive buffer size than the Seagate S-series ST4000NC000-RF internal hard drive (512 MB vs 64 MB). Interface: Serial ATA on the Seagate Exos M, Serial ATA III on the Seagate S-series ST4000NC000-RF internal hard drive.

HDD capacity
- Exos M:28 TB
- S-series ST4000NC000-RF internal hard drive:4 TB
HDD speed
- Exos M:7200 RPM
- S-series ST4000NC000-RF internal hard drive:5900 RPM
Interface
- Exos M:Serial ATA
- S-series ST4000NC000-RF internal hard drive:Serial ATA III
Storage drive buffer size
- Exos M:512 MB
- S-series ST4000NC000-RF internal hard drive:64 MB
Mean time between failures (MTBF)
- Exos M:2500000 h
- S-series ST4000NC000-RF internal hard drive:800000 h
Power consumption (idle)
- Exos M:6.9 W
- S-series ST4000NC000-RF internal hard drive:4.59 W
Operating temperature (T-T)
- Exos M:10 - 60 °C
- S-series ST4000NC000-RF internal hard drive:5 - 60 °C
Weight
- Exos M:695 g
- S-series ST4000NC000-RF internal hard drive:606 g

Side by side

Differences highlightedShow differences only

Comparison of Exos M, ST4000NC000-RF
38 specifications	A Seagate Exos M View product	B Seagate S-series ST4000NC000-RF internal hard drive Model ST4000NC000-RF View product
Features5 differ
HDD capacityDiffers	28 TB	4 TB
HDD speedDiffers	7200 RPM	5900 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA III
Type	HDD	HDD
Storage drive buffer sizeDiffers	512 MB	64 MB
HDD number of headsKnown for one	Unknown — not stated by the source	8
Read seek timeKnown for one	Unknown — not stated by the source	12 ms
Write seek timeKnown for one	Unknown — not stated by the source	12 ms
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
SMART technologyKnown for one	Unknown — not stated by the source	Yes
Bytes per sectorKnown for one	Unknown — not stated by the source	4096
RefurbishedKnown for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Differs	2500000 h	800000 h
Component forKnown for one	Server/workstation	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
HDD sustained transfer rateKnown for one	257 MiB/s	Unknown — not stated by the source
HDD average transfer rateKnown for one	270 MB/s	Unknown — not stated by the source
Average latencyKnown for one	4.16 ms	Unknown — not stated by the source
Uncorrectable Bit Error Rate (UBER)Known for one	< 1 per 10^15 bits read	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	6.49 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.77 W
Power consumption (idle)Differs	6.9 W	4.59 W
Operating voltage	5 / 12 V	5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)Differs	10 - 60 °C	5 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Non-operating vibrationKnown for one	2.27 G	Unknown — not stated by the source
Operating shockKnown for one	30 G	Unknown — not stated by the source
Non-operating shockKnown for one	200 G	Unknown — not stated by the source
Weight & dimensions1 differ
Width	101.8 mm	101.8 mm
Height	26.1 mm	26.1 mm
WeightDiffers	695 g	606 g
DepthKnown for one	147 mm	Unknown — not stated by the source
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Warranty periodKnown for one	5 year(s)	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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