Product comparison · 2 internal hard drives

Seagate Constellation ST2000NM0011-20PK internal hard drive vs Seagate Savvio ST9146853SS-20PK internal hard drive

22specifications compared
16differ
6identical
10known for one product only

Key differences

The Seagate Savvio ST9146853SS-20PK internal hard drive has 7,800 RPM more HDD speed than the Seagate Constellation ST2000NM0011-20PK internal hard drive (15000 RPM vs 7200 RPM). The Seagate Constellation ST2000NM0011-20PK internal hard drive has 1" more HDD size than the Seagate Savvio ST9146853SS-20PK internal hard drive (3.5" vs 2.5"). The Seagate Constellation ST2000NM0011-20PK internal hard drive has 5.9 ms more read seek time than the Seagate Savvio ST9146853SS-20PK internal hard drive (8.5 ms vs 2.6 ms). HDD capacity: 2 TB on the Seagate Constellation ST2000NM0011-20PK internal hard drive, 146 GB on the Seagate Savvio ST9146853SS-20PK internal hard drive. Interface: Serial ATA III on the Seagate Constellation ST2000NM0011-20PK internal hard drive, SAS on the Seagate Savvio ST9146853SS-20PK internal hard drive.

HDD capacity
- Constellation ST2000NM0011-20PK internal hard drive:2 TB
- Savvio ST9146853SS-20PK internal hard drive:146 GB
HDD speed
- Constellation ST2000NM0011-20PK internal hard drive:7200 RPM
- Savvio ST9146853SS-20PK internal hard drive:15000 RPM
HDD size
- Constellation ST2000NM0011-20PK internal hard drive:3.5"
- Savvio ST9146853SS-20PK internal hard drive:2.5"
Interface
- Constellation ST2000NM0011-20PK internal hard drive:Serial ATA III
- Savvio ST9146853SS-20PK internal hard drive:SAS
Read seek time
- Constellation ST2000NM0011-20PK internal hard drive:8.5 ms
- Savvio ST9146853SS-20PK internal hard drive:2.6 ms
Write seek time
- Constellation ST2000NM0011-20PK internal hard drive:9.5 ms
- Savvio ST9146853SS-20PK internal hard drive:3.1 ms
Power consumption (idle)
- Constellation ST2000NM0011-20PK internal hard drive:6.39 W
- Savvio ST9146853SS-20PK internal hard drive:3.86 W
Operating voltage
- Constellation ST2000NM0011-20PK internal hard drive:5 / 12 V
- Savvio ST9146853SS-20PK internal hard drive:5 V

Side by side

Differences highlightedShow differences only

Comparison of ST2000NM0011-20PK, ST9146853SS-20PK
32 specifications	A Seagate Constellation ST2000NM0011-20PK internal hard drive Model ST2000NM0011-20PK View product	B Seagate Savvio ST9146853SS-20PK internal hard drive Model ST9146853SS-20PK View product
Features6 differ
HDD capacityDiffers	2 TB	146 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 cylindersKnown for one	Unknown — not stated by the source	1
HDD number of headsKnown for one	Unknown — not stated by the source	2
Read seek timeDiffers	8.5 ms	2.6 ms
Write seek timeDiffers	9.5 ms	3.1 ms
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
Bytes per sector	512	512
Start/stop cyclesKnown for one	300000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	7.41 W
Power consumption (idle)Differs	6.39 W	3.86 W
Operating voltageDiffers	5 / 12 V	5 V
Power consumption (read)Known for one	9.03 W	Unknown — not stated by the source
Power consumption (write)Known for one	7.8 W	Unknown — not stated by the source
Operational conditions4 differ
Operating temperature (T-T)Differs	5 - 60 °C	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating vibrationDiffers	0.25 G	0.5 G
Non-operating vibrationDiffers	4.9 G	2.4 G
Operating shockDiffers	70 G	60 G
Non-operating shock	300 G	300 G
Weight & dimensions4 differ
WidthDiffers	101.8 mm	70.1 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	15 mm
WeightDiffers	710 g	193 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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