Product comparison · 2 internal hard drives

Seagate Constellation ST1000NM0033-20PK internal hard drive vs Seagate S-series ST500LM000-50PK internal hard drive

17specifications compared
15differ
2identical
15known for one product only

Key differences

HDD capacity
- Constellation ST1000NM0033-20PK internal hard drive:1 TB
- S-series ST500LM000-50PK internal hard drive:500 GB
HDD size
- Constellation ST1000NM0033-20PK internal hard drive:3.5"
- S-series ST500LM000-50PK internal hard drive:2.5"
Type
- Constellation ST1000NM0033-20PK internal hard drive:HDD
- S-series ST500LM000-50PK internal hard drive:Hybrid-HDD
Storage drive buffer size
- Constellation ST1000NM0033-20PK internal hard drive:128 MB
- S-series ST500LM000-50PK internal hard drive:64 MB
Bytes per sector
- Constellation ST1000NM0033-20PK internal hard drive:512
- S-series ST500LM000-50PK internal hard drive:4096
Power consumption (typical)
- Constellation ST1000NM0033-20PK internal hard drive:8.08 W
- S-series ST500LM000-50PK internal hard drive:2.5 W
Power consumption (idle)
- Constellation ST1000NM0033-20PK internal hard drive:4.45 W
- S-series ST500LM000-50PK internal hard drive:0.9 W
Operating voltage
- Constellation ST1000NM0033-20PK internal hard drive:5 / 12 V
- S-series ST500LM000-50PK internal hard drive:5 V

Side by side

Differences highlightedShow differences only

Comparison of ST1000NM0033-20PK, ST500LM000-50PK
32 specifications	A Seagate Constellation ST1000NM0033-20PK internal hard drive Model ST1000NM0033-20PK View product	B Seagate S-series ST500LM000-50PK internal hard drive Model ST500LM000-50PK View product
Features5 differ
HDD capacityDiffers	1 TB	500 GB
HDD sizeDiffers	3.5"	2.5"
TypeDiffers	HDD	Hybrid-HDD
Storage drive buffer sizeDiffers	128 MB	64 MB
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	8 GB
HDD number of cylindersKnown for one	Unknown — not stated by the source	1
HDD number of headsKnown for one	Unknown — not stated by the source	2
Read seek timeKnown for one	Unknown — not stated by the source	12 ms
Write seek timeKnown for one	Unknown — not stated by the source	14 ms
Bytes per sectorDiffers	512	4096
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Component forKnown for one	NAS	Unknown — not stated by the source
Average latencyKnown for one	4.16 ms	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1400000 h	Unknown — not stated by the source
Power3 differ
Power consumption (typical)Differs	8.08 W	2.5 W
Power consumption (idle)Differs	4.45 W	0.9 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 60 °C	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockKnown for one	Unknown — not stated by the source	350 G
Non-operating shockDiffers	300 G	1000 G
Non-operating vibrationKnown for one	0.25 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.8 mm	70.1 mm
DepthDiffers	147 mm	100.3 mm
HeightDiffers	26.1 mm	7 mm
WeightDiffers	605 g	95 g
Packaging data1 differ
Quantity per packDiffers	20 pc(s)	50 pc(s)
Packaging contentidentical
ManualKnown for one	Yes	Unknown — not stated by the source
User guideKnown for one	Yes	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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