Product comparison · 2 internal hard drives

Seagate Green 1TB vs Seagate Constellation ST9500432SS internal hard drive

Key differences

HDD capacity
- Green 1TB:1 TB
- Constellation ST9500432SS internal hard drive:500 GB
HDD speed
- Green 1TB:5900 RPM
- Constellation ST9500432SS internal hard drive:7200 RPM
HDD size
- Green 1TB:3.5"
- Constellation ST9500432SS internal hard drive:2.5"
Interface
- Green 1TB:Serial ATA
- Constellation ST9500432SS internal hard drive:SAS
Storage drive buffer size
- Green 1TB:32 MB
- Constellation ST9500432SS internal hard drive:16 MB
Read seek time
- Green 1TB:12 ms
- Constellation ST9500432SS internal hard drive:8 ms
Write seek time
- Green 1TB:13 ms
- Constellation ST9500432SS internal hard drive:8.4 ms
Power consumption (typical)
- Green 1TB:5.8 W
- Constellation ST9500432SS internal hard drive:3.83 W

Differences highlightedShow differences only

Comparison of Green 1TB, ST9500432SS
28 specifications	A Seagate Green 1TB View product	B Seagate Constellation ST9500432SS internal hard drive Model ST9500432SS View product
Features7 differ
HDD capacityDiffers	1 TB	500 GB
HDD speedDiffers	5900 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA	SAS
Storage drive buffer sizeDiffers	32 MB	16 MB
Read seek timeDiffers	12 ms	8 ms
Write seek timeDiffers	13 ms	8.4 ms
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1200000 h
Power3 differ
Power consumption (typical)Differs	5.8 W	3.83 W
Power consumption (idle)Known for one	4.5 W	Unknown — not stated by the source
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentDiffers	2 A	1.03 A
Power consumption (standby)Known for one	Unknown — not stated by the source	2.9 W
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 60 °C	5 - 55 °C
Operating shockDiffers	80 G	25 G
Non-operating shockDiffers	300 G	400 G
Weight & dimensions4 differ
WidthDiffers	101.6 mm	70.1 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	15 mm
WeightDiffers	635 g	196 g
Other features1 differ
Product colourKnown for one	Silver	Unknown — not stated by the source
Drive device, transfer rateKnown for one	300 MB/s	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
USB poweredKnown for one	No	Unknown — not stated by the source
Sustained data rateDiffers	144 MB/s	100 MB/s
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s

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.