Product comparison · 2 internal hard drives

Seagate 300GB 3.5" Ultra ATA/100 vs Seagate NL35.2 Series 500GB HDD 8MB SATA

14specifications compared
8differ
6identical
21known for one product only

Key differences

The Seagate NL35.2 Series 500GB HDD 8MB SATA has 200 GB more HDD capacity than the Seagate 300GB 3.5" Ultra ATA/100 (500 GB vs 300 GB). The Seagate 300GB 3.5" Ultra ATA/100 has 8 MB more storage drive buffer size than the Seagate NL35.2 Series 500GB HDD 8MB SATA (16 MB vs 8 MB). The Seagate 300GB 3.5" Ultra ATA/100 has 3 ms more read seek time than the Seagate NL35.2 Series 500GB HDD 8MB SATA (11 ms vs 8 ms). Interface: Ultra-ATA/100 on the Seagate 300GB 3.5" Ultra ATA/100, Serial ATA on the Seagate NL35.2 Series 500GB HDD 8MB SATA.

HDD capacity
- 300GB 3.5" Ultra ATA/100:300 GB
- NL35.2 Series 500GB HDD 8MB SATA:500 GB
Interface
- 300GB 3.5" Ultra ATA/100:Ultra-ATA/100
- NL35.2 Series 500GB HDD 8MB SATA:Serial ATA
Storage drive buffer size
- 300GB 3.5" Ultra ATA/100:16 MB
- NL35.2 Series 500GB HDD 8MB SATA:8 MB
Read seek time
- 300GB 3.5" Ultra ATA/100:11 ms
- NL35.2 Series 500GB HDD 8MB SATA:8 ms
Write seek time
- 300GB 3.5" Ultra ATA/100:12 ms
- NL35.2 Series 500GB HDD 8MB SATA:9 ms
Width
- 300GB 3.5" Ultra ATA/100:101.6 mm
- NL35.2 Series 500GB HDD 8MB SATA:101.8 mm
Depth
- 300GB 3.5" Ultra ATA/100:147 mm
- NL35.2 Series 500GB HDD 8MB SATA:146.9 mm
Weight
- 300GB 3.5" Ultra ATA/100:655 g
- NL35.2 Series 500GB HDD 8MB SATA:710 g

Side by side

Differences highlightedShow differences only

Comparison of 300GB 3.5" Ultra ATA/100, NL35.2 Series 500GB HDD 8MB SATA
35 specifications	A Seagate 300GB 3.5" Ultra ATA/100 View product	B Seagate NL35.2 Series 500GB HDD 8MB SATA View product
Features5 differ
HDD capacityDiffers	300 GB	500 GB
InterfaceDiffers	Ultra-ATA/100	Serial ATA
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	8 MB
HDD number of cylindersKnown for one	16383	Unknown — not stated by the source
HDD number of headsKnown for one	16	Unknown — not stated by the source
Read seek timeDiffers	11 ms	8 ms
Write seek timeDiffers	12 ms	9 ms
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Access timeKnown for one	Unknown — not stated by the source	10 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Poweridentical
Start-up currentKnown for one	2.6 A	Unknown — not stated by the source
Power consumption (standby)Known for one	Unknown — not stated by the source	0.8 W
Operational conditionsidentical
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
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
Operating altitudeKnown for one	-60.96 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-60.96 - 12192 m	Unknown — not stated by the source
Operating shockKnown for one	63 G	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	101.6 mm	101.8 mm
DepthDiffers	147 mm	146.9 mm
WeightDiffers	655 g	710 g
Other featuresidentical
Drive devices burst data transfer rate (DMA)Known for one	2	Unknown — not stated by the source
Drive devices burst data transfer rate (PIO)Known for one	4	Unknown — not stated by the source
Drive devices burst data transfer rate (Ultra DMA)Known for one	5	Unknown — not stated by the source
HDD transfer rateKnown for one	Unknown — not stated by the source	150 Mbit/s
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.85 x 146.9 x 26.11 mm
InternalKnown for one	Unknown — not stated by the source	Yes

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.

More internal hard drive comparisons

All internal hard drive comparisons