Product comparison · 2 internal hard drives

Seagate Constellation ST1000NC000-20PK internal hard drive vs Seagate Savvio ST9300653SS-20PK internal hard drive

22specifications compared
17differ
5identical
13known for one product only

Key differences

The Seagate Savvio ST9300653SS-20PK internal hard drive has 7,800 RPM more HDD speed than the Seagate Constellation ST1000NC000-20PK internal hard drive (15000 RPM vs 7200 RPM). The Seagate Constellation ST1000NC000-20PK internal hard drive has 1" more HDD size than the Seagate Savvio ST9300653SS-20PK internal hard drive (3.5" vs 2.5"). The Seagate Savvio ST9300653SS-20PK internal hard drive has 1 more HDD cylinders than the Seagate Constellation ST1000NC000-20PK internal hard drive (2 vs 1). HDD capacity: 1 TB on the Seagate Constellation ST1000NC000-20PK internal hard drive, 300 GB on the Seagate Savvio ST9300653SS-20PK internal hard drive. Interface: Serial ATA III on the Seagate Constellation ST1000NC000-20PK internal hard drive, SAS on the Seagate Savvio ST9300653SS-20PK internal hard drive.

HDD capacity
- Constellation ST1000NC000-20PK internal hard drive:1 TB
- Savvio ST9300653SS-20PK internal hard drive:300 GB
HDD speed
- Constellation ST1000NC000-20PK internal hard drive:7200 RPM
- Savvio ST9300653SS-20PK internal hard drive:15000 RPM
HDD size
- Constellation ST1000NC000-20PK internal hard drive:3.5"
- Savvio ST9300653SS-20PK internal hard drive:2.5"
Interface
- Constellation ST1000NC000-20PK internal hard drive:Serial ATA III
- Savvio ST9300653SS-20PK internal hard drive:SAS
HDD number of cylinders
- Constellation ST1000NC000-20PK internal hard drive:1
- Savvio ST9300653SS-20PK internal hard drive:2
HDD number of heads
- Constellation ST1000NC000-20PK internal hard drive:2
- Savvio ST9300653SS-20PK internal hard drive:4
Read seek time
- Constellation ST1000NC000-20PK internal hard drive:9.5 ms
- Savvio ST9300653SS-20PK internal hard drive:2.6 ms
Write seek time
- Constellation ST1000NC000-20PK internal hard drive:10.5 ms
- Savvio ST9300653SS-20PK internal hard drive:3.1 ms

Side by side

Differences highlightedShow differences only

Comparison of ST1000NC000-20PK, ST9300653SS-20PK
35 specifications	A Seagate Constellation ST1000NC000-20PK internal hard drive Model ST1000NC000-20PK View product	B Seagate Savvio ST9300653SS-20PK internal hard drive Model ST9300653SS-20PK View product
Features9 differ
HDD capacityDiffers	1 TB	300 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA III	SAS
Type	HDD	HDD
Storage drive buffer size	64 MB	64 MB
HDD number of cylindersDiffers	1	2
HDD number of headsDiffers	2	4
Read seek timeDiffers	9.5 ms	2.6 ms
Write seek timeDiffers	10.5 ms	3.1 ms
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
Track to track seek timeKnown for one	Unknown — not stated by the source	0.2 ms
Average latencyKnown for one	Unknown — not stated by the source	2 ms
Power3 differ
Power consumption (typical)Differs	8 W	7.92 W
Power consumption (standby)Known for one	0.77 W	Unknown — not stated by the source
Power consumption (idle)Differs	5.53 W	4.23 W
Operating voltageDiffers	5 / 12 V	5 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	2.4 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
Packaging contentidentical
Bundled softwareKnown for one	SeaTools	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.8 mm	70.1 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	20 mm	15 mm
WeightDiffers	400 g	200 g
Packaging dataidentical
Quantity per pack	20 pc(s)	20 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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