Buffalo OP-HD2.0BN internal hard drive vs Buffalo OP-HD4.0BN internal hard drive

Comparison of OP-HD2.0BN, OP-HD4.0BN

14 specifications	A Buffalo OP-HD2.0BN internal hard drive Model OP-HD2.0BN View product	B Buffalo OP-HD4.0BN internal hard drive Model OP-HD4.0BN View product
Features1 differ
HDD capacityDiffers	2 TB	4 TB
HDD size	3.5"	3.5"
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
Component for	NAS	NAS
RAID levels	1	1
Operational conditionsidentical
Operating temperature (T-T)	5 - 35 °C	5 - 35 °C
Operating relative humidity (H-H)	20 - 80%	20 - 80%
Weight & dimensionsidentical
Width	105 mm	105 mm
Depth	170 mm	170 mm
Height	30 mm	30 mm
Weight	700 g	700 g
Packaging dataidentical
Quantity per pack	1 pc(s)	1 pc(s)
Other featuresidentical
Compatible products	LS520DNB series LS220DNB series	LS520DNB series LS220DNB series

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.