Product comparison · 2 internal hard drives

Seagate Constellation ST1000NM0023-20PK internal hard drive vs Seagate SV35 Series ST2000VX000-20PK internal hard drive

Key differences

HDD capacity
- Constellation ST1000NM0023-20PK internal hard drive:1 TB
- SV35 Series ST2000VX000-20PK internal hard drive:2 TB
Interface
- Constellation ST1000NM0023-20PK internal hard drive:SAS
- SV35 Series ST2000VX000-20PK internal hard drive:Serial ATA III
Component for
- Constellation ST1000NM0023-20PK internal hard drive:Server/workstation
- SV35 Series ST2000VX000-20PK internal hard drive:Surveillance system
Storage drive buffer size
- Constellation ST1000NM0023-20PK internal hard drive:128 MB
- SV35 Series ST2000VX000-20PK internal hard drive:64 MB
Power consumption (typical)
- Constellation ST1000NM0023-20PK internal hard drive:8.93 W
- SV35 Series ST2000VX000-20PK internal hard drive:8 W
Operating temperature (T-T)
- Constellation ST1000NM0023-20PK internal hard drive:5 - 60 °C
- SV35 Series ST2000VX000-20PK internal hard drive:0 - 60 °C
Width
- Constellation ST1000NM0023-20PK internal hard drive:101.8 mm
- SV35 Series ST2000VX000-20PK internal hard drive:101.6 mm

Differences highlightedShow differences only

Comparison of ST1000NM0023-20PK, ST2000VX000-20PK
27 specifications	A Seagate Constellation ST1000NM0023-20PK internal hard drive Model ST1000NM0023-20PK View product	B Seagate SV35 Series ST2000VX000-20PK internal hard drive Model ST2000VX000-20PK View product
Features4 differ
HDD capacityDiffers	1 TB	2 TB
InterfaceDiffers	SAS	Serial ATA III
Component forDiffers	Server/workstation	Surveillance system
Storage drive buffer sizeDiffers	128 MB	64 MB
HDD number of cylindersKnown for one	Unknown — not stated by the source	3
HDD number of headsKnown for one	Unknown — not stated by the source	6
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
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1000000 h
Power1 differ
Power consumption (typical)Differs	8.93 W	8 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	5.4 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
Weight & dimensions1 differ
WidthDiffers	101.8 mm	101.6 mm
WeightKnown for one	Unknown — not stated by the source	626 g

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.