Product comparison · 2 internal hard drives

Samsung Spinpoint T HD251KJ internal hard drive vs Seagate EE25.2 Series™ 2.5-inch HD 30GB PATA

14specifications compared
11differ
3identical
9known for one product only

Key differences

The Samsung Spinpoint T HD251KJ internal hard drive has 220 GB more HDD capacity than the Seagate EE25.2 Series™ 2.5-inch HD 30GB PATA (250 GB vs 30 GB). The Samsung Spinpoint T HD251KJ internal hard drive has 1,800 RPM more HDD speed than the Seagate EE25.2 Series™ 2.5-inch HD 30GB PATA (7200 RPM vs 5400 RPM). The Samsung Spinpoint T HD251KJ internal hard drive has 1" more HDD size than the Seagate EE25.2 Series™ 2.5-inch HD 30GB PATA (3.5" vs 2.5"). Interface: Serial ATA II on the Samsung Spinpoint T HD251KJ internal hard drive, IDE/ATA on the Seagate EE25.2 Series™ 2.5-inch HD 30GB PATA. Operating voltage: 5 / 12 V on the Samsung Spinpoint T HD251KJ internal hard drive, 5 V on the Seagate EE25.2 Series™ 2.5-inch HD 30GB PATA.

HDD capacity
- Spinpoint T HD251KJ internal hard drive:250 GB
- EE25.2 Series™ 2.5-inch HD 30GB PATA:30 GB
HDD speed
- Spinpoint T HD251KJ internal hard drive:7200 RPM
- EE25.2 Series™ 2.5-inch HD 30GB PATA:5400 RPM
HDD size
- Spinpoint T HD251KJ internal hard drive:3.5"
- EE25.2 Series™ 2.5-inch HD 30GB PATA:2.5"
Interface
- Spinpoint T HD251KJ internal hard drive:Serial ATA II
- EE25.2 Series™ 2.5-inch HD 30GB PATA:IDE/ATA
Average seek time
- Spinpoint T HD251KJ internal hard drive:8.9 ms
- EE25.2 Series™ 2.5-inch HD 30GB PATA:11 ms
Operating voltage
- Spinpoint T HD251KJ internal hard drive:5 / 12 V
- EE25.2 Series™ 2.5-inch HD 30GB PATA:5 V
Operating temperature (T-T)
- Spinpoint T HD251KJ internal hard drive:0 - 60 °C
- EE25.2 Series™ 2.5-inch HD 30GB PATA:30 - 85 °C
Width
- Spinpoint T HD251KJ internal hard drive:102 mm
- EE25.2 Series™ 2.5-inch HD 30GB PATA:69.8 mm

Side by side

Differences highlightedShow differences only

Comparison of HD251KJ, EE25.2 Series™ 2.5-inch HD 30GB PATA
23 specifications	A Samsung Spinpoint T HD251KJ internal hard drive Model HD251KJ View product	B Seagate EE25.2 Series™ 2.5-inch HD 30GB PATA View product
Features5 differ
HDD capacityDiffers	250 GB	30 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA II	IDE/ATA
Storage drive buffer size	8 MB	8 MB
Track to track seek timeKnown for one	0.8 ms	Unknown — not stated by the source
Average seek timeDiffers	8.9 ms	11 ms
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Average latencyKnown for one	Unknown — not stated by the source	5.5 ms
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 60 °C	30 - 85 °C
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage temperature (T-T)Known for one	Unknown — not stated by the source	40 - 95 °C
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Non-operating altitudeKnown for one	Unknown — not stated by the source	15000
Weight & dimensions4 differ
WidthDiffers	102 mm	69.8 mm
DepthDiffers	146 mm	100.2 mm
HeightDiffers	25 mm	9.5 mm
WeightDiffers	610 g	102 g
Other featuresidentical
Dimensions (WxDxH)Known for one	102 x 146 x 25 mm	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Internal	Yes	Yes
Maximum data transfer rateKnown for one	300 Mbit/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.

More internal hard drive comparisons

All internal hard drive comparisons