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
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA III	SAS
Type	HDD	HDD
Storage drive buffer size	64 MB	64 MB
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
Operating voltage	5 / 12 V	5 / 12 V
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 60 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °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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