Product comparison · 2 internal hard drives

Seagate Constellation ST1000NM0023-20PK internal hard drive vs Seagate Desktop HDD ST4000DM000-20PK internal hard drive

13specifications compared
6differ
7identical
16known for one product only

Key differences

HDD capacity
- Constellation ST1000NM0023-20PK internal hard drive:1 TB
- Desktop HDD ST4000DM000-20PK internal hard drive:4 TB
Interface
- Constellation ST1000NM0023-20PK internal hard drive:SAS
- Desktop HDD ST4000DM000-20PK internal hard drive:Serial ATA III
Storage drive buffer size
- Constellation ST1000NM0023-20PK internal hard drive:128 MB
- Desktop HDD ST4000DM000-20PK internal hard drive:64 MB
Power consumption (typical)
- Constellation ST1000NM0023-20PK internal hard drive:8.93 W
- Desktop HDD ST4000DM000-20PK internal hard drive:7.5 W
Operating temperature (T-T)
- Constellation ST1000NM0023-20PK internal hard drive:5 - 60 °C
- Desktop HDD ST4000DM000-20PK internal hard drive:0 - 60 °C
Width
- Constellation ST1000NM0023-20PK internal hard drive:101.8 mm
- Desktop HDD ST4000DM000-20PK internal hard drive:101.6 mm

Side by side

Differences highlightedShow differences only

Comparison of ST1000NM0023-20PK, ST4000DM000-20PK
29 specifications	A Seagate Constellation ST1000NM0023-20PK internal hard drive Model ST1000NM0023-20PK View product	B Seagate Desktop HDD ST4000DM000-20PK internal hard drive Model ST4000DM000-20PK View product
Features3 differ
HDD capacityDiffers	1 TB	4 TB
InterfaceDiffers	SAS	Serial ATA III
Storage drive buffer sizeDiffers	128 MB	64 MB
HDD number of cylindersKnown for one	Unknown — not stated by the source	4
HDD number of headsKnown for one	Unknown — not stated by the source	8
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	4096
Start/stop cyclesKnown for one	Unknown — not stated by the source	300000
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Differs	8.93 W	7.5 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.75 W
Power consumption (idle)Known for one	Unknown — not stated by the source	5 W
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 60 °C	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Packaging contentidentical
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Bundled softwareKnown for one	Unknown — not stated by the source	DiscWizard
Weight & dimensions1 differ
WidthDiffers	101.8 mm	101.6 mm
WeightKnown for one	Unknown — not stated by the source	610 g
Other featuresidentical
CertificationKnown for one	Unknown — not stated by the source	RoHS

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.

More internal hard drive comparisons

All internal hard drive comparisons