Product comparison · 2 internal hard drives

Seagate Savvio ST450MM0006-20PK internal hard drive vs Seagate Momentus ST640LM020 internal hard drive

12specifications compared
9differ
3identical
22known for one product only

Key differences

HDD capacity
- Savvio ST450MM0006-20PK internal hard drive:450 GB
- Momentus ST640LM020 internal hard drive:640 GB
HDD speed
- Savvio ST450MM0006-20PK internal hard drive:10000 RPM
- Momentus ST640LM020 internal hard drive:5400 RPM
Interface
- Savvio ST450MM0006-20PK internal hard drive:SAS
- Momentus ST640LM020 internal hard drive:Serial ATA II
Average latency
- Savvio ST450MM0006-20PK internal hard drive:2.9 ms
- Momentus ST640LM020 internal hard drive:5.6 ms
Width
- Savvio ST450MM0006-20PK internal hard drive:100.5 mm
- Momentus ST640LM020 internal hard drive:69.8 mm
Depth
- Savvio ST450MM0006-20PK internal hard drive:69.8 mm
- Momentus ST640LM020 internal hard drive:100.3 mm
Height
- Savvio ST450MM0006-20PK internal hard drive:15 mm
- Momentus ST640LM020 internal hard drive:9.5 mm
Quantity per pack
- Savvio ST450MM0006-20PK internal hard drive:20 pc(s)
- Momentus ST640LM020 internal hard drive:1 pc(s)

Side by side

Differences highlightedShow differences only

Comparison of ST450MM0006-20PK, ST640LM020
34 specifications	A Seagate Savvio ST450MM0006-20PK internal hard drive Model ST450MM0006-20PK View product	B Seagate Momentus ST640LM020 internal hard drive Model ST640LM020 View product
Features4 differ
HDD capacityDiffers	450 GB	640 GB
HDD speedDiffers	10000 RPM	5400 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	SAS	Serial ATA II
Type	HDD	HDD
Component forKnown for one	Unknown — not stated by the source	Laptop
Access timeKnown for one	Unknown — not stated by the source	4 ms
Average seek timeKnown for one	Unknown — not stated by the source	12 ms
Average latencyDiffers	2.9 ms	5.6 ms
HDD number of headsKnown for one	3	Unknown — not stated by the source
SMART technologyKnown for one	Yes	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	2000000 h	Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.2 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.7 W
Power consumption (read)Known for one	Unknown — not stated by the source	2.3 W
Power consumption (write)Known for one	Unknown — not stated by the source	2.3 W
Operating voltage	5 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating vibrationKnown for one	Unknown — not stated by the source	1.5 G
Operating altitudeKnown for one	Unknown — not stated by the source	-300 - 3000 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-400 - 15000 m
Operating shockKnown for one	Unknown — not stated by the source	325 G
Non-operating shockKnown for one	Unknown — not stated by the source	750 G
Weight & dimensions3 differ
WidthDiffers	100.5 mm	69.8 mm
DepthDiffers	69.8 mm	100.3 mm
HeightDiffers	15 mm	9.5 mm
WeightKnown for one	222 g	Unknown — not stated by the source
Packaging data1 differ
Quantity per packDiffers	20 pc(s)	1 pc(s)
Other features1 differ
Data transfer rateDiffers	6 Gbit/s	3 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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