Dell 644TP internal hard drive vs Seagate Constellation ES SAS 500GB

Comparison of 644TP, Constellation ES SAS 500GB

28 specifications	A Dell 644TP internal hard drive Model 644TP View product	B Seagate Constellation ES SAS 500GBView product
Features1 differ
HDD capacityDiffers	4 TB	500 GB
Storage drive buffer sizeKnown for one	—Unknown — not stated by the source	64 MB
Read seek timeKnown for one	—Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	—Unknown — not stated by the source	9.5 ms
Bytes per sectorKnown for one	—Unknown — not stated by the source	512
Mean time between failures (MTBF)Known for one	—Unknown — not stated by the source	1200000 h
Poweridentical
Power consumption (idle)Known for one	—Unknown — not stated by the source	4.67 W
Power consumption (read)Known for one	—Unknown — not stated by the source	7.89 W
Power consumption (write)Known for one	—Unknown — not stated by the source	7.18 W
Operational conditionsidentical
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	5 - 60 °C
Operating vibrationKnown for one	—Unknown — not stated by the source	70 G
Non-operating vibrationKnown for one	—Unknown — not stated by the source	350 G
Operating shockKnown for one	—Unknown — not stated by the source	0.5 G
Non-operating shockKnown for one	—Unknown — not stated by the source	2 G
Weight & dimensionsidentical
WidthKnown for one	—Unknown — not stated by the source	101.8 mm
DepthKnown for one	—Unknown — not stated by the source	147 mm
HeightKnown for one	—Unknown — not stated by the source	26.1 mm
WeightKnown for one	—Unknown — not stated by the source	608 g
Other featuresidentical
Transfer rateKnown for one	—Unknown — not stated by the source	150 MB/s
I/O portsKnown for one	—Unknown — not stated by the source	2
Cartridge load/Unload cyclesKnown for one	—Unknown — not stated by the source	300000

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.