Product comparison · 2 internal hard drives

Samsung HE103UJ + 20PK Kit vs Samsung HE502IJ + 20PK Kit

Key differences

HDD capacity
- HE103UJ + 20PK Kit:1 TB
- HE502IJ + 20PK Kit:500 GB
Storage drive buffer size
- HE103UJ + 20PK Kit:32 MB
- HE502IJ + 20PK Kit:16 MB
Weight
- HE103UJ + 20PK Kit:640 g
- HE502IJ + 20PK Kit:610 g
Drive device, transfer rate
- HE103UJ + 20PK Kit:300 MB/s
- HE502IJ + 20PK Kit:175 MB/s

Differences highlightedShow differences only

Comparison of HE103UJ + 20PK Kit, HE502IJ + 20PK Kit
27 specifications	A Samsung HE103UJ + 20PK Kit View product	B Samsung HE502IJ + 20PK Kit View product
Features2 differ
HDD capacityDiffers	1 TB	500 GB
HDD speed	7200 RPM	7200 RPM
Interface	Serial ATA II	Serial ATA II
Storage drive buffer sizeDiffers	32 MB	16 MB
Average seek time	8.9 ms	8.9 ms
Average latency	4.17 ms	4.17 ms
Bytes per sector	512	512
Start/stop cycles	50000	50000
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1200000 h
Poweridentical
Power consumption (standby)	1.2 W	1.2 W
Power consumption (PowerSave)Known for one	Unknown — not stated by the source	0.8 W
Operational conditionsidentical
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating altitude	-300 - 3000 m	-300 - 3000 m
Non-operating altitude	-300 - 12000 m	-300 - 12000 m
Non-operating shock	300 G	300 G
Weight & dimensions1 differ
Width	101.5 mm	101.5 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	640 g	610 g
Other features1 differ
Dimensions (WxDxH)	101.5 x 147 x 26.1 mm	101.5 x 147 x 26.1 mm
Drive device, transfer rateDiffers	300 MB/s	175 MB/s
Drive ready time	12 s	12 s
Internal	Yes	Yes
Maximum data transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s

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.