Product comparison · 2 internal hard drives

Seagate Constellation ST1000NC001-25PK internal hard drive vs Seagate Savvio ST900MM0026-30PK internal hard drive

18specifications compared
13differ
5identical
19known for one product only

Key differences

The Seagate Savvio ST900MM0026-30PK internal hard drive has 2,800 RPM more HDD speed than the Seagate Constellation ST1000NC001-25PK internal hard drive (10000 RPM vs 7200 RPM). The Seagate Savvio ST900MM0026-30PK internal hard drive has 4 more HDD heads than the Seagate Constellation ST1000NC001-25PK internal hard drive (6 vs 2). The Seagate Constellation ST1000NC001-25PK internal hard drive has 3,584 more bytes per sector than the Seagate Savvio ST900MM0026-30PK internal hard drive (4096 vs 512). HDD capacity: 1 TB on the Seagate Constellation ST1000NC001-25PK internal hard drive, 900 GB on the Seagate Savvio ST900MM0026-30PK internal hard drive. Interface: Serial ATA III on the Seagate Constellation ST1000NC001-25PK internal hard drive, SAS on the Seagate Savvio ST900MM0026-30PK internal hard drive.

HDD capacity
- Constellation ST1000NC001-25PK internal hard drive:1 TB
- Savvio ST900MM0026-30PK internal hard drive:900 GB
HDD speed
- Constellation ST1000NC001-25PK internal hard drive:7200 RPM
- Savvio ST900MM0026-30PK internal hard drive:10000 RPM
Interface
- Constellation ST1000NC001-25PK internal hard drive:Serial ATA III
- Savvio ST900MM0026-30PK internal hard drive:SAS
HDD number of heads
- Constellation ST1000NC001-25PK internal hard drive:2
- Savvio ST900MM0026-30PK internal hard drive:6
Bytes per sector
- Constellation ST1000NC001-25PK internal hard drive:4096
- Savvio ST900MM0026-30PK internal hard drive:512
Power consumption (typical)
- Constellation ST1000NC001-25PK internal hard drive:8 W
- Savvio ST900MM0026-30PK internal hard drive:7.93 W
Power consumption (idle)
- Constellation ST1000NC001-25PK internal hard drive:5.53 W
- Savvio ST900MM0026-30PK internal hard drive:3.9 W
Operating temperature (T-T)
- Constellation ST1000NC001-25PK internal hard drive:5 - 60 °C
- Savvio ST900MM0026-30PK internal hard drive:5 - 55 °C

Side by side

Differences highlightedShow differences only

Comparison of ST1000NC001-25PK, ST900MM0026-30PK
37 specifications	A Seagate Constellation ST1000NC001-25PK internal hard drive Model ST1000NC001-25PK View product	B Seagate Savvio ST900MM0026-30PK internal hard drive Model ST900MM0026-30PK View product
Features5 differ
HDD capacityDiffers	1 TB	900 GB
HDD speedDiffers	7200 RPM	10000 RPM
InterfaceDiffers	Serial ATA III	SAS
HDD number of cylindersKnown for one	1	Unknown — not stated by the source
HDD number of headsDiffers	2	6
Read seek timeKnown for one	9.5 ms	Unknown — not stated by the source
Write seek timeKnown for one	10.5 ms	Unknown — not stated by the source
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Bytes per sectorDiffers	4096	512
Start/stop cyclesKnown for one	300000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	800000 h	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Average latencyKnown for one	Unknown — not stated by the source	2.9 ms
Power2 differ
Power consumption (typical)Differs	8 W	7.93 W
Power consumption (standby)Known for one	0.77 W	Unknown — not stated by the source
Power consumption (idle)Differs	5.53 W	3.9 W
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 60 °C	5 - 55 °C
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Operating shockKnown for one	Unknown — not stated by the source	40 G
Non-operating shockKnown for one	Unknown — not stated by the source	400 G
Packaging contentidentical
Bundled softwareKnown for one	SeaTools	Unknown — not stated by the source
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WidthDiffers	101.8 mm	70.1 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	20 mm	15 mm
WeightDiffers	400 g	212 g
Packaging data1 differ
Quantity per packDiffers	25 pc(s)	30 pc(s)
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s

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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