Product comparison · 2 internal hard drives

Seagate Laptop Ultrathin HDD ST320LT030-50PK internal hard drive vs Seagate Constellation ST4000NM0053-20PK internal hard drive

15specifications compared
12differ
3identical
13known for one product only

Key differences

HDD capacity
- Laptop Ultrathin HDD ST320LT030-50PK internal hard drive:320 GB
- Constellation ST4000NM0053-20PK internal hard drive:4 TB
Storage drive buffer size
- Laptop Ultrathin HDD ST320LT030-50PK internal hard drive:16 MB
- Constellation ST4000NM0053-20PK internal hard drive:128 MB
Bytes per sector
- Laptop Ultrathin HDD ST320LT030-50PK internal hard drive:4096
- Constellation ST4000NM0053-20PK internal hard drive:512
Power consumption (idle)
- Laptop Ultrathin HDD ST320LT030-50PK internal hard drive:0.48 W
- Constellation ST4000NM0053-20PK internal hard drive:6.73 W
Operating temperature (T-T)
- Laptop Ultrathin HDD ST320LT030-50PK internal hard drive:0 - 60 °C
- Constellation ST4000NM0053-20PK internal hard drive:5 - 60 °C
Operating shock
- Laptop Ultrathin HDD ST320LT030-50PK internal hard drive:400 G
- Constellation ST4000NM0053-20PK internal hard drive:70 G
Non-operating shock
- Laptop Ultrathin HDD ST320LT030-50PK internal hard drive:1000 G
- Constellation ST4000NM0053-20PK internal hard drive:300 G
Width
- Laptop Ultrathin HDD ST320LT030-50PK internal hard drive:69.8 mm
- Constellation ST4000NM0053-20PK internal hard drive:101.8 mm

Side by side

Differences highlightedShow differences only

Comparison of ST320LT030-50PK, ST4000NM0053-20PK
28 specifications	A Seagate Laptop Ultrathin HDD ST320LT030-50PK internal hard drive Model ST320LT030-50PK View product	B Seagate Constellation ST4000NM0053-20PK internal hard drive Model ST4000NM0053-20PK View product
Features3 differ
HDD capacityDiffers	320 GB	4 TB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	3.5"
Interface	Serial ATA III	Serial ATA III
Type	HDD	HDD
Storage drive buffer sizeDiffers	16 MB	128 MB
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorDiffers	4096	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1400000 h
Read seek timeKnown for one	13 ms	Unknown — not stated by the source
Write seek timeKnown for one	15 ms	Unknown — not stated by the source
Start/stop cyclesKnown for one	600000	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	11.27 W
Power consumption (idle)Differs	0.48 W	6.73 W
Operating voltageKnown for one	Unknown — not stated by the source	5 / 12 V
Start-up currentKnown for one	1 A	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 60 °C
Non-operating vibrationKnown for one	Unknown — not stated by the source	0.25 G
Operating shockDiffers	400 G	70 G
Non-operating shockDiffers	1000 G	300 G
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	69.8 mm	101.8 mm
DepthDiffers	100.3 mm	147 mm
HeightDiffers	5 mm	26.1 mm
WeightDiffers	93 g	700 g
Packaging data1 differ
Quantity per packDiffers	50 pc(s)	20 pc(s)
Other featuresidentical
Data transfer rate	6 Gbit/s	6 Gbit/s
CertificationKnown for one	RoHS	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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