Product comparison · 2 internal hard drives

Seagate Desktop HDD 1TB internal hard drive 7200 RPM 32 MB 3.5" Serial ATA vs Seagate 500GB Constellation ES SAS HDD

11specifications compared
3differ
8identical
21known for one product only

Key differences

HDD capacity
- Desktop HDD 1TB internal hard drive 7200 RPM 32 MB 3.5" Serial ATA:1 TB
- 500GB Constellation ES SAS HDD:500 GB
Storage drive buffer size
- Desktop HDD 1TB internal hard drive 7200 RPM 32 MB 3.5" Serial ATA:32 MB
- 500GB Constellation ES SAS HDD:16 MB
Weight
- Desktop HDD 1TB internal hard drive 7200 RPM 32 MB 3.5" Serial ATA:622 g
- 500GB Constellation ES SAS HDD:610 g

Side by side

Differences highlightedShow differences only

Comparison of 1TB, 500GB Constellation ES SAS HDD
32 specifications	A Seagate Desktop HDD 1TB internal hard drive 7200 RPM 32 MB 3.5" Serial ATA Model 1TB View product	B Seagate 500GB Constellation ES SAS HDD View product
Features2 differ
HDD capacityDiffers	1 TB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Storage drive buffer sizeDiffers	32 MB	16 MB
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Track to track seek timeKnown for one	Unknown — not stated by the source	0.5 ms
Average latency	4.16 ms	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1200000 h
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	10.4 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	Unknown — not stated by the source	1.89 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Weight & dimensions1 differ
Width	101.6 mm	101.6 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	622 g	610 g
Other featuresidentical
Ethernet LANKnown for one	Unknown — not stated by the source	No
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Fibre ChannelKnown for one	Unknown — not stated by the source	No
FireWire 400Known for one	Unknown — not stated by the source	No
FireWire 800Known for one	Unknown — not stated by the source	No
Internal	Yes	Yes
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
USB poweredKnown for one	Unknown — not stated by the source	No
eSATAKnown for one	Unknown — not stated by the source	No
Sustained data rateKnown for one	Unknown — not stated by the source	150 MB/s
Acoustic pressure emissionsKnown for one	Unknown — not stated by the source	1.9 dB

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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