Product comparison · 2 internal hard drives

Seagate Constellation ST33000650NS-20PK internal hard drive vs Seagate Savvio ST450MM0026-20PK internal hard drive

18specifications compared
15differ
3identical
10known for one product only

Key differences

The Seagate Savvio ST450MM0026-20PK internal hard drive has 2,800 RPM more HDD speed than the Seagate Constellation ST33000650NS-20PK internal hard drive (10000 RPM vs 7200 RPM). The Seagate Constellation ST33000650NS-20PK internal hard drive has 1" more HDD size than the Seagate Savvio ST450MM0026-20PK internal hard drive (3.5" vs 2.5"). The Seagate Constellation ST33000650NS-20PK internal hard drive has 1.26 ms more average latency than the Seagate Savvio ST450MM0026-20PK internal hard drive (4.16 ms vs 2.9 ms). HDD capacity: 3 TB on the Seagate Constellation ST33000650NS-20PK internal hard drive, 450 GB on the Seagate Savvio ST450MM0026-20PK internal hard drive. Interface: Serial ATA III on the Seagate Constellation ST33000650NS-20PK internal hard drive, SAS on the Seagate Savvio ST450MM0026-20PK internal hard drive.

HDD capacity
- Constellation ST33000650NS-20PK internal hard drive:3 TB
- Savvio ST450MM0026-20PK internal hard drive:450 GB
HDD speed
- Constellation ST33000650NS-20PK internal hard drive:7200 RPM
- Savvio ST450MM0026-20PK internal hard drive:10000 RPM
HDD size
- Constellation ST33000650NS-20PK internal hard drive:3.5"
- Savvio ST450MM0026-20PK internal hard drive:2.5"
Interface
- Constellation ST33000650NS-20PK internal hard drive:Serial ATA III
- Savvio ST450MM0026-20PK internal hard drive:SAS
Average latency
- Constellation ST33000650NS-20PK internal hard drive:4.16 ms
- Savvio ST450MM0026-20PK internal hard drive:2.9 ms
Power consumption (idle)
- Constellation ST33000650NS-20PK internal hard drive:7.7 W
- Savvio ST450MM0026-20PK internal hard drive:3.4 W
Operating voltage
- Constellation ST33000650NS-20PK internal hard drive:5 / 12 V
- Savvio ST450MM0026-20PK internal hard drive:5 V
Operating temperature (T-T)
- Constellation ST33000650NS-20PK internal hard drive:5 - 60 °C
- Savvio ST450MM0026-20PK internal hard drive:5 - 55 °C

Side by side

Differences highlightedShow differences only

Comparison of ST33000650NS-20PK, ST450MM0026-20PK
28 specifications	A Seagate Constellation ST33000650NS-20PK internal hard drive Model ST33000650NS-20PK View product	B Seagate Savvio ST450MM0026-20PK internal hard drive Model ST450MM0026-20PK View product
Features5 differ
HDD capacityDiffers	3 TB	450 GB
HDD speedDiffers	7200 RPM	10000 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA III	SAS
Type	HDD	HDD
Storage drive buffer size	64 MB	64 MB
Read seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Write seek timeKnown for one	9.5 ms	Unknown — not stated by the source
Average latencyDiffers	4.16 ms	2.9 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
HDD number of cylindersKnown for one	Unknown — not stated by the source	2
HDD number of headsKnown for one	Unknown — not stated by the source	3
Power2 differ
Power consumption (idle)Differs	7.7 W	3.4 W
Power consumption (read)Known for one	10.7 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	0.43 A
Operational conditions4 differ
Operating temperature (T-T)Differs	5 - 60 °C	5 - 55 °C
Non-operating vibrationDiffers	4.9 G	3 G
Operating shockDiffers	70 G	40 G
Non-operating shockDiffers	300 G	400 G
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating vibrationKnown for one	Unknown — not stated by the source	0.5 G
Weight & dimensions4 differ
WidthDiffers	101.8 mm	70.1 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	15 mm
WeightDiffers	700 g	222 g
Packaging dataidentical
Quantity per pack	20 pc(s)	20 pc(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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