Product comparison · 2 internal hard drives

Ernitec BUILD-8TB-SATA-HDD-ESR internal hard drive 7200 RPM vs Seagate 640GB 2.5

6specifications compared
5differ
1identical
19known for one product only

Key differences

HDD capacity
- BUILD-8TB-SATA-HDD-ESR internal hard drive 7200 RPM:8 TB
- 640GB 2.5:640 GB
HDD speed
- BUILD-8TB-SATA-HDD-ESR internal hard drive 7200 RPM:7200 RPM
- 640GB 2.5:5400 RPM
HDD size
- BUILD-8TB-SATA-HDD-ESR internal hard drive 7200 RPM:3.5"
- 640GB 2.5:2.5"
Interface
- BUILD-8TB-SATA-HDD-ESR internal hard drive 7200 RPM:Serial ATA III
- 640GB 2.5:Serial ATA II
Component for
- BUILD-8TB-SATA-HDD-ESR internal hard drive 7200 RPM:Surveillance system
- 640GB 2.5:Laptop

Side by side

Differences highlightedShow differences only

Comparison of BUILD-8TB-SATA-HDD-ESR, 640GB 2.5
25 specifications	A Ernitec BUILD-8TB-SATA-HDD-ESR internal hard drive 7200 RPM Model BUILD-8TB-SATA-HDD-ESR View product	B Seagate 640GB 2.5 View product
Features5 differ
HDD capacityDiffers	8 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 forDiffers	Surveillance system	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
HDD interface transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Average latencyKnown for one	Unknown — not stated by the source	5.5 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Poweridentical
Power consumption (idle)Known for one	Unknown — not stated by the source	0.68 W
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	350 G
Non-operating shockKnown for one	Unknown — not stated by the source	800 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.3 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	100 g
Other featuresidentical
Product colourKnown for one	Unknown — not stated by the source	Black
InternalKnown for one	Unknown — not stated by the source	Yes
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	26 dB
Packaging dataidentical
Quantity per packKnown for one	1 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.

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