Product comparison · 2 internal hard drives

Seagate 6TB SATA III 3.5" vs Seagate Momentus ST640LM020 internal hard drive

10specifications compared
8differ
2identical
29known for one product only

Key differences

HDD capacity
- 6TB SATA III 3.5":6 TB
- Momentus ST640LM020 internal hard drive:640 GB
HDD speed
- 6TB SATA III 3.5":7200 RPM
- Momentus ST640LM020 internal hard drive:5400 RPM
HDD size
- 6TB SATA III 3.5":3.5"
- Momentus ST640LM020 internal hard drive:2.5"
Interface
- 6TB SATA III 3.5":Serial ATA III
- Momentus ST640LM020 internal hard drive:Serial ATA II
Operating voltage
- 6TB SATA III 3.5":5 / 12 V
- Momentus ST640LM020 internal hard drive:5 V
Width
- 6TB SATA III 3.5":101.6 mm
- Momentus ST640LM020 internal hard drive:69.8 mm
Depth
- 6TB SATA III 3.5":25.8 mm
- Momentus ST640LM020 internal hard drive:100.3 mm
Height
- 6TB SATA III 3.5":149.2 mm
- Momentus ST640LM020 internal hard drive:9.5 mm

Side by side

Differences highlightedShow differences only

Comparison of 6TB SATA III 3.5", ST640LM020
39 specifications	A Seagate 6TB SATA III 3.5"View product	B Seagate Momentus ST640LM020 internal hard drive Model ST640LM020 View product
Features4 differ
HDD capacityDiffers	6 TB	640 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA III	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 latencyKnown for one	Unknown — not stated by the source	5.6 ms
Storage drive buffer sizeKnown for one	128 MB	Unknown — not stated by the source
Power1 differ
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 voltageDiffers	5 / 12 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	101.6 mm	69.8 mm
DepthDiffers	25.8 mm	100.3 mm
HeightDiffers	149.2 mm	9.5 mm
WeightKnown for one	767 g	Unknown — not stated by the source
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)
Package widthKnown for one	150.8 mm	Unknown — not stated by the source
Package depthKnown for one	60.3 mm	Unknown — not stated by the source
Package weightKnown for one	925 g	Unknown — not stated by the source
Package heightKnown for one	196.8 mm	Unknown — not stated by the source
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Windows operating systems supportedKnown for one	Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Window	Unknown — not stated by the source
Packaging contentidentical
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Logistics dataidentical
Master (outer) cases per palletKnown for one	126 pc(s)	Unknown — not stated by the source
Layers per palletKnown for one	6 pc(s)	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.

More internal hard drive comparisons

All internal hard drive comparisons