Product comparison · 2 internal hard drives

Buffalo OP-HD3.0T/LS internal hard drive vs Seagate Constellation.2 1TB

6specifications compared
5differ
1identical
28known for one product only

Key differences

HDD capacity
- OP-HD3.0T/LS internal hard drive:3 TB
- Constellation.2 1TB:1 TB
HDD size
- OP-HD3.0T/LS internal hard drive:3.5"
- Constellation.2 1TB:2.5"
Interface
- OP-HD3.0T/LS internal hard drive:Serial ATA II
- Constellation.2 1TB:Serial ATA III
Operating voltage
- OP-HD3.0T/LS internal hard drive:5 / 12 V
- Constellation.2 1TB:5 V
Product colour
- OP-HD3.0T/LS internal hard drive:Multicolour
- Constellation.2 1TB:Black

Side by side

Differences highlightedShow differences only

Comparison of OP-HD3.0T/LS, Constellation.2 1TB
34 specifications	A Buffalo OP-HD3.0T/LS internal hard drive Model OP-HD3.0T/LS View product	B Seagate Constellation.2 1TB View product
Features3 differ
HDD capacityDiffers	3 TB	1 TB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA III
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
Read seek timeKnown for one	Unknown — not stated by the source	7.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.44 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 60 °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 - 95%
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	0.5 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	3 G
Operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-60.96 - 12195 m
Operating shockKnown for one	Unknown — not stated by the source	70 G
Non-operating shockKnown for one	Unknown — not stated by the source	400 G
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	200 g
Other features1 differ
Product colourDiffers	Multicolour	Black
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Drive ready timeKnown for one	Unknown — not stated by the source	20 s
Internal	Yes	Yes
Recording densityKnown for one	Unknown — not stated by the source	1544 kbit/inch
Track densityKnown for one	Unknown — not stated by the source	270 Ktracks/inch
Swing handle for easy carryingKnown for one	Yes	Unknown — not stated by the source
Compatible productsKnown for one	LinkStation Duo, Pro Duo	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