Product comparison · 2 internal hard drives

Seagate Constellation ST2000NC000-20PK internal hard drive vs Seagate Cheetah ST3300657FC-20PK internal hard drive

22specifications compared
15differ
7identical
13known for one product only

Key differences

The Seagate Cheetah ST3300657FC-20PK internal hard drive has 7,800 RPM more HDD speed than the Seagate Constellation ST2000NC000-20PK internal hard drive (15000 RPM vs 7200 RPM). The Seagate Constellation ST2000NC000-20PK internal hard drive has 48 MB more storage drive buffer size than the Seagate Cheetah ST3300657FC-20PK internal hard drive (64 MB vs 16 MB). The Seagate Constellation ST2000NC000-20PK internal hard drive has 6.1 ms more read seek time than the Seagate Cheetah ST3300657FC-20PK internal hard drive (9.5 ms vs 3.4 ms). HDD capacity: 2 TB on the Seagate Constellation ST2000NC000-20PK internal hard drive, 300 GB on the Seagate Cheetah ST3300657FC-20PK internal hard drive. Interface: Serial ATA III on the Seagate Constellation ST2000NC000-20PK internal hard drive, Fibre Channel on the Seagate Cheetah ST3300657FC-20PK internal hard drive.

HDD capacity
- Constellation ST2000NC000-20PK internal hard drive:2 TB
- Cheetah ST3300657FC-20PK internal hard drive:300 GB
HDD speed
- Constellation ST2000NC000-20PK internal hard drive:7200 RPM
- Cheetah ST3300657FC-20PK internal hard drive:15000 RPM
Interface
- Constellation ST2000NC000-20PK internal hard drive:Serial ATA III
- Cheetah ST3300657FC-20PK internal hard drive:Fibre Channel
Storage drive buffer size
- Constellation ST2000NC000-20PK internal hard drive:64 MB
- Cheetah ST3300657FC-20PK internal hard drive:16 MB
Read seek time
- Constellation ST2000NC000-20PK internal hard drive:9.5 ms
- Cheetah ST3300657FC-20PK internal hard drive:3.4 ms
Write seek time
- Constellation ST2000NC000-20PK internal hard drive:10.5 ms
- Cheetah ST3300657FC-20PK internal hard drive:3.9 ms
Bytes per sector
- Constellation ST2000NC000-20PK internal hard drive:4096
- Cheetah ST3300657FC-20PK internal hard drive:512
Mean time between failures (MTBF)
- Constellation ST2000NC000-20PK internal hard drive:800000 h
- Cheetah ST3300657FC-20PK internal hard drive:1600000 h

Side by side

Differences highlightedShow differences only

Comparison of ST2000NC000-20PK, ST3300657FC-20PK
35 specifications	A Seagate Constellation ST2000NC000-20PK internal hard drive Model ST2000NC000-20PK View product	B Seagate Cheetah ST3300657FC-20PK internal hard drive Model ST3300657FC-20PK View product
Features8 differ
HDD capacityDiffers	2 TB	300 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA III	Fibre Channel
Type	HDD	HDD
Component forKnown for one	Unknown — not stated by the source	Server/workstation
Storage drive buffer sizeDiffers	64 MB	16 MB
HDD number of cylinders	2	2
HDD number of heads	4	4
Read seek timeDiffers	9.5 ms	3.4 ms
Write seek timeDiffers	10.5 ms	3.9 ms
Average latencyKnown for one	Unknown — not stated by the source	2 ms
Bytes per sectorDiffers	4096	512
Mean time between failures (MTBF)Differs	800000 h	1600000 h
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Start/stop cyclesKnown for one	300000	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	8 W	13.8 W
Power consumption (idle)Differs	5.53 W	8.98 W
Operating voltage	5 / 12 V	5 / 12 V
Power consumption (standby)Known for one	0.77 W	Unknown — not stated by the source
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 vibrationKnown for one	Unknown — not stated by the source	1 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Operating shockKnown for one	Unknown — not stated by the source	60 G
Non-operating shockKnown for one	Unknown — not stated by the source	300 G
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
Weight & dimensions4 differ
WidthDiffers	101.8 mm	101.6 mm
DepthDiffers	147 mm	146.5 mm
HeightDiffers	26.1 mm	25.4 mm
WeightDiffers	535 g	671 g
Packaging dataidentical
Quantity per pack	20 pc(s)	20 pc(s)
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	4 Gbit/s
Packaging contentidentical
Bundled softwareKnown for one	SeaTools	Unknown — not stated by the source

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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