Buffalo 4TB internal hard drive Serial ATA vs Buffalo OP-HD4.0T/4K-3Y internal hard drive

Comparison of 4TB, OP-HD4.0T/4K-3Y

13 specifications	A Buffalo 4TB internal hard drive Serial ATA Model 4TB View product	B Buffalo OP-HD4.0T/4K-3Y internal hard drive Model OP-HD4.0T/4K-3Y View product
Featuresidentical
HDD sizeKnown for one	—Unknown — not stated by the source	3.5"
Poweridentical
Operating voltageKnown for one	—Unknown — not stated by the source	5 / 12 V
Operational conditions1 differ
Storage temperature (T-T)Differs	-40 - 65 °C	-40 - 60 °C
Other features1 differ
Compatible productsDiffers	TeraStation 7120r	TeraStation TS-VHL, WS-VL, TS-IS
Data transfer rateKnown for one	6 Gbit/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.