Product comparison · 2 internal hard drives

Samsung Spinpoint M HM120JC internal hard drive vs Seagate NL35.2 Series 500GB HDD 8MB SATA

14specifications compared
11differ
3identical
11known for one product only

Key differences

The Seagate NL35.2 Series 500GB HDD 8MB SATA has 380 GB more HDD capacity than the Samsung Spinpoint M HM120JC internal hard drive (500 GB vs 120 GB). The Seagate NL35.2 Series 500GB HDD 8MB SATA has 1,800 RPM more HDD speed than the Samsung Spinpoint M HM120JC internal hard drive (7200 RPM vs 5400 RPM). The Seagate NL35.2 Series 500GB HDD 8MB SATA has 1" more HDD size than the Samsung Spinpoint M HM120JC internal hard drive (3.5" vs 2.5"). Interface: Ultra-ATA/100 on the Samsung Spinpoint M HM120JC internal hard drive, Serial ATA on the Seagate NL35.2 Series 500GB HDD 8MB SATA. Operating voltage: 5 V on the Samsung Spinpoint M HM120JC internal hard drive, 5 / 12 V on the Seagate NL35.2 Series 500GB HDD 8MB SATA.

HDD capacity
- Spinpoint M HM120JC internal hard drive:120 GB
- NL35.2 Series 500GB HDD 8MB SATA:500 GB
HDD speed
- Spinpoint M HM120JC internal hard drive:5400 RPM
- NL35.2 Series 500GB HDD 8MB SATA:7200 RPM
HDD size
- Spinpoint M HM120JC internal hard drive:2.5"
- NL35.2 Series 500GB HDD 8MB SATA:3.5"
Interface
- Spinpoint M HM120JC internal hard drive:Ultra-ATA/100
- NL35.2 Series 500GB HDD 8MB SATA:Serial ATA
Average latency
- Spinpoint M HM120JC internal hard drive:5.6 ms
- NL35.2 Series 500GB HDD 8MB SATA:4.16 ms
Operating voltage
- Spinpoint M HM120JC internal hard drive:5 V
- NL35.2 Series 500GB HDD 8MB SATA:5 / 12 V
Width
- Spinpoint M HM120JC internal hard drive:100 mm
- NL35.2 Series 500GB HDD 8MB SATA:101.8 mm
Depth
- Spinpoint M HM120JC internal hard drive:70 mm
- NL35.2 Series 500GB HDD 8MB SATA:146.9 mm

Side by side

Differences highlightedShow differences only

Comparison of HM120JC, NL35.2 Series 500GB HDD 8MB SATA
25 specifications	A Samsung Spinpoint M HM120JC internal hard drive Model HM120JC View product	B Seagate NL35.2 Series 500GB HDD 8MB SATA View product
Features5 differ
HDD capacityDiffers	120 GB	500 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Storage drive buffer size	8 MB	8 MB
Access timeKnown for one	Unknown — not stated by the source	10 ms
Read seek timeKnown for one	Unknown — not stated by the source	8 ms
Write seek timeKnown for one	Unknown — not stated by the source	9 ms
Average latencyDiffers	5.6 ms	4.16 ms
Bytes per sector	512	512
Track to track seek timeKnown for one	2 ms	Unknown — not stated by the source
Average seek timeKnown for one	12 ms	Unknown — not stated by the source
Start/stop cyclesKnown for one	600000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	330000 h	Unknown — not stated by the source
Power1 differ
Power consumption (standby)Known for one	Unknown — not stated by the source	0.8 W
Operating voltageDiffers	5 V	5 / 12 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Weight & dimensions4 differ
WidthDiffers	100 mm	101.8 mm
DepthDiffers	70 mm	146.9 mm
HeightDiffers	9.4 mm	26.1 mm
WeightDiffers	100 g	710 g
Other features1 differ
HDD transfer rateDiffers	431 Mbit/s	150 Mbit/s
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.85 x 146.9 x 26.11 mm
Internal	Yes	Yes
Drive device, transfer rateKnown for one	100 MB/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.

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