Product comparison · 2 internal hard drives

Seagate Savvio ST300MM0026-30PK internal hard drive vs Seagate Constellation ST91000640NS-30PK internal hard drive

20specifications compared
8differ
12identical
11known for one product only

Key differences

The Seagate Savvio ST300MM0026-30PK internal hard drive has 2,800 RPM more HDD speed than the Seagate Constellation ST91000640NS-30PK internal hard drive (10000 RPM vs 7200 RPM). The Seagate Constellation ST91000640NS-30PK internal hard drive has 1.26 ms more average latency than the Seagate Savvio ST300MM0026-30PK internal hard drive (4.16 ms vs 2.9 ms). The Seagate Constellation ST91000640NS-30PK internal hard drive has 0.31 W more power consumption (idle) than the Seagate Savvio ST300MM0026-30PK internal hard drive (3.31 W vs 3 W). HDD capacity: 300 GB on the Seagate Savvio ST300MM0026-30PK internal hard drive, 1 TB on the Seagate Constellation ST91000640NS-30PK internal hard drive. Interface: SAS on the Seagate Savvio ST300MM0026-30PK internal hard drive, Serial ATA III on the Seagate Constellation ST91000640NS-30PK internal hard drive.

HDD capacity
- Savvio ST300MM0026-30PK internal hard drive:300 GB
- Constellation ST91000640NS-30PK internal hard drive:1 TB
HDD speed
- Savvio ST300MM0026-30PK internal hard drive:10000 RPM
- Constellation ST91000640NS-30PK internal hard drive:7200 RPM
Interface
- Savvio ST300MM0026-30PK internal hard drive:SAS
- Constellation ST91000640NS-30PK internal hard drive:Serial ATA III
Average latency
- Savvio ST300MM0026-30PK internal hard drive:2.9 ms
- Constellation ST91000640NS-30PK internal hard drive:4.16 ms
Power consumption (idle)
- Savvio ST300MM0026-30PK internal hard drive:3 W
- Constellation ST91000640NS-30PK internal hard drive:3.31 W
Operating temperature (T-T)
- Savvio ST300MM0026-30PK internal hard drive:5 - 55 °C
- Constellation ST91000640NS-30PK internal hard drive:5 - 60 °C
Operating shock
- Savvio ST300MM0026-30PK internal hard drive:40 G
- Constellation ST91000640NS-30PK internal hard drive:70 G
Weight
- Savvio ST300MM0026-30PK internal hard drive:217 g
- Constellation ST91000640NS-30PK internal hard drive:200 g

Side by side

Differences highlightedShow differences only

Comparison of ST300MM0026-30PK, ST91000640NS-30PK
31 specifications	A Seagate Savvio ST300MM0026-30PK internal hard drive Model ST300MM0026-30PK View product	B Seagate Constellation ST91000640NS-30PK internal hard drive Model ST91000640NS-30PK View product
Features4 differ
HDD capacityDiffers	300 GB	1 TB
HDD speedDiffers	10000 RPM	7200 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	SAS	Serial ATA III
Type	HDD	HDD
Storage drive buffer size	64 MB	64 MB
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
Average latencyDiffers	2.9 ms	4.16 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1400000 h
Component forKnown for one	Server/workstation	Unknown — not stated by the source
HDD number of cylindersKnown for one	1	Unknown — not stated by the source
HDD number of headsKnown for one	2	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	5.21 W
Power consumption (idle)Differs	3 W	3.31 W
Operating voltage	5 V	5 V
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 55 °C	5 - 60 °C
Operating vibration	0.5 G	0.5 G
Non-operating vibration	3 G	3 G
Operating shockDiffers	40 G	70 G
Non-operating shock	400 G	400 G
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
Width	70.1 mm	70.1 mm
Depth	100.5 mm	100.5 mm
Height	15 mm	15 mm
WeightDiffers	217 g	200 g
Packaging dataidentical
Quantity per pack	30 pc(s)	30 pc(s)
Other featuresidentical
Data transfer rate	6 Gbit/s	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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