Product comparison · 2 internal hard drives

Seagate Enterprise ST1800MM0018-RF internal hard drive vs Seagate S-series ST4000NC000-RF internal hard drive

15specifications compared
12differ
3identical
19known for one product only

Key differences

The Seagate S-series ST4000NC000-RF internal hard drive has 2.2 TB more HDD capacity than the Seagate Enterprise ST1800MM0018-RF internal hard drive (4 TB vs 1.8 TB). The Seagate Enterprise ST1800MM0018-RF internal hard drive has 4,100 RPM more HDD speed than the Seagate S-series ST4000NC000-RF internal hard drive (10000 RPM vs 5900 RPM). The Seagate S-series ST4000NC000-RF internal hard drive has 1" more HDD size than the Seagate Enterprise ST1800MM0018-RF internal hard drive (3.5" vs 2.5"). Interface: SAS on the Seagate Enterprise ST1800MM0018-RF internal hard drive, Serial ATA III on the Seagate S-series ST4000NC000-RF internal hard drive. Operating voltage: 5 V on the Seagate Enterprise ST1800MM0018-RF internal hard drive, 5 / 12 V on the Seagate S-series ST4000NC000-RF internal hard drive.

HDD capacity
- Enterprise ST1800MM0018-RF internal hard drive:1.8 TB
- S-series ST4000NC000-RF internal hard drive:4 TB
HDD speed
- Enterprise ST1800MM0018-RF internal hard drive:10000 RPM
- S-series ST4000NC000-RF internal hard drive:5900 RPM
HDD size
- Enterprise ST1800MM0018-RF internal hard drive:2.5"
- S-series ST4000NC000-RF internal hard drive:3.5"
Interface
- Enterprise ST1800MM0018-RF internal hard drive:SAS
- S-series ST4000NC000-RF internal hard drive:Serial ATA III
Storage drive buffer size
- Enterprise ST1800MM0018-RF internal hard drive:128 MB
- S-series ST4000NC000-RF internal hard drive:64 MB
Power consumption (typical)
- Enterprise ST1800MM0018-RF internal hard drive:7.8 W
- S-series ST4000NC000-RF internal hard drive:6.49 W
Power consumption (idle)
- Enterprise ST1800MM0018-RF internal hard drive:4.55 W
- S-series ST4000NC000-RF internal hard drive:4.59 W
Operating voltage
- Enterprise ST1800MM0018-RF internal hard drive:5 V
- S-series ST4000NC000-RF internal hard drive:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of ST1800MM0018-RF, ST4000NC000-RF
34 specifications	A Seagate Enterprise ST1800MM0018-RF internal hard drive Model ST1800MM0018-RF View product	B Seagate S-series ST4000NC000-RF internal hard drive Model ST4000NC000-RF View product
Features5 differ
HDD capacityDiffers	1.8 TB	4 TB
HDD speedDiffers	10000 RPM	5900 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA III
Storage drive buffer sizeDiffers	128 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
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	800000 h
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Average latencyKnown for one	2.9 ms	Unknown — not stated by the source
Power3 differ
Power consumption (typical)Differs	7.8 W	6.49 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.77 W
Power consumption (idle)Differs	4.55 W	4.59 W
Operating voltageDiffers	5 V	5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	5 - 60 °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%
Operating vibrationKnown for one	3.1 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	0.5 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 & dimensions3 differ
WidthDiffers	70.1 mm	101.8 mm
HeightDiffers	15 mm	26.1 mm
WeightDiffers	199 g	606 g
DepthKnown for one	100.5 mm	Unknown — not stated by the source
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Packaging dataidentical
Quantity per packKnown for one	1 pc(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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