Product comparison · 2 internal hard drives

Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk vs Seagate NL35 Series 250GB SATA 20pk

13specifications compared
8differ
5identical
15known for one product only

Key differences

The Seagate NL35 Series 250GB SATA 20pk has 8 MB more storage drive buffer size than the Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk (16 MB vs 8 MB). The Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk has 0.01 ms more average latency than the Seagate NL35 Series 250GB SATA 20pk (4.17 ms vs 4.16 ms). The Seagate NL35 Series 250GB SATA 20pk has 0.5 mm more depth than the Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk (146.6 mm vs 146.1 mm). Interface: Ultra-ATA/133 on the Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk, Serial ATA on the Seagate NL35 Series 250GB SATA 20pk. Storage temperature (T-T): -40 - 70 °C on the Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk, 0 - 60 °C on the Seagate NL35 Series 250GB SATA 20pk.

Interface
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:Ultra-ATA/133
- NL35 Series 250GB SATA 20pk:Serial ATA
Storage drive buffer size
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:8 MB
- NL35 Series 250GB SATA 20pk:16 MB
Average latency
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:4.17 ms
- NL35 Series 250GB SATA 20pk:4.16 ms
Storage temperature (T-T)
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:-40 - 70 °C
- NL35 Series 250GB SATA 20pk:0 - 60 °C
Depth
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:146.1 mm
- NL35 Series 250GB SATA 20pk:146.6 mm
Height
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:25.4 mm
- NL35 Series 250GB SATA 20pk:25.7 mm
Weight
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:635 g
- NL35 Series 250GB SATA 20pk:726 g
Dimensions (WxDxH)
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:101.6 x 146.1 x 25.4 mm
- NL35 Series 250GB SATA 20pk:101.6 x 146.55 x 25.654 mm

Side by side

Differences highlightedShow differences only

Comparison of 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk, NL35 Series 250GB SATA 20pk
28 specifications	A Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk View product	B Seagate NL35 Series 250GB SATA 20pk View product
Features3 differ
InterfaceDiffers	Ultra-ATA/133	Serial ATA
Storage drive buffer sizeDiffers	8 MB	16 MB
Full stroke seek timeKnown for one	18 ms	Unknown — not stated by the source
Average seek timeKnown for one	8.9 ms	Unknown — not stated by the source
Average latencyDiffers	4.17 ms	4.16 ms
Mean time between failures (MTBF)Known for one	500.000 h	Unknown — not stated by the source
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Access timeKnown for one	Unknown — not stated by the source	10 ms
Read seek timeKnown for one	Unknown — not stated by the source	5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Operational conditions1 differ
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Differs	-40 - 70 °C	0 - 60 °C
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensions3 differ
DepthDiffers	146.1 mm	146.6 mm
HeightDiffers	25.4 mm	25.7 mm
WeightDiffers	635 g	726 g
Other features1 differ
Dimensions (WxDxH)Differs	101.6 x 146.1 x 25.4 mm	101.6 x 146.55 x 25.654 mm
USB poweredKnown for one	No	Unknown — not stated by the source
HDD transfer rateKnown for one	Unknown — not stated by the source	150 Mbit/s
Poweridentical
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V

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.

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