Product comparison · 2 internal hard drives

Origin Storage HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy vs Seagate Constellation ST91000642SS-RF internal hard drive

19specifications compared
10differ
9identical
22known for one product only

Key differences

The Origin Storage HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy has 0.8 TB more HDD capacity than the Seagate Constellation ST91000642SS-RF internal hard drive (1.8 TB vs 1 TB). The Origin Storage HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy has 2,800 RPM more HDD speed than the Seagate Constellation ST91000642SS-RF internal hard drive (10000 RPM vs 7200 RPM). The Origin Storage HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy has 1" more HDD size than the Seagate Constellation ST91000642SS-RF internal hard drive (3.5" vs 2.5"). Operating temperature (T-T): 5 - 55 °C on the Origin Storage HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy, 5 - 60 °C on the Seagate Constellation ST91000642SS-RF internal hard drive. Operating altitude: -304.8 - 3048 m on the Origin Storage HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy, -60.96 - 3048 m on the Seagate Constellation ST91000642SS-RF internal hard drive.

HDD capacity
- HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy:1.8 TB
- Constellation ST91000642SS-RF internal hard drive:1 TB
HDD speed
- HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy:10000 RPM
- Constellation ST91000642SS-RF internal hard drive:7200 RPM
HDD size
- HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy:3.5"
- Constellation ST91000642SS-RF internal hard drive:2.5"
Storage drive buffer size
- HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy:128 MB
- Constellation ST91000642SS-RF internal hard drive:64 MB
Power consumption (typical)
- HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy:7.8 W
- Constellation ST91000642SS-RF internal hard drive:6.35 W
Start-up current
- HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy:0.47 A
- Constellation ST91000642SS-RF internal hard drive:2 A
Operating temperature (T-T)
- HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy:5 - 55 °C
- Constellation ST91000642SS-RF internal hard drive:5 - 60 °C
Operating altitude
- HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy:-304.8 - 3048 m
- Constellation ST91000642SS-RF internal hard drive:-60.96 - 3048 m

Side by side

Differences highlightedShow differences only

Comparison of CPQ-1800SAS/10-S8, ST91000642SS-RF
41 specifications	A Origin Storage HDD 1.8TB 3.5in SAS 10000RPM in Hot Swap Caddy Model CPQ-1800SAS/10-S8 View product	B Seagate Constellation ST91000642SS-RF internal hard drive Model ST91000642SS-RF View product
Features4 differ
HDD capacityDiffers	1.8 TB	1 TB
HDD speedDiffers	10000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	SAS	SAS
Type	HDD	HDD
Storage drive buffer sizeDiffers	128 MB	64 MB
HDD number of headsKnown for one	Unknown — not stated by the source	8
Read seek timeKnown for one	Unknown — not stated by the source	7.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
RefurbishedKnown for one	Unknown — not stated by the source	Yes
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1400000 h
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Hot-swapKnown for one	No	Unknown — not stated by the source
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
Access timeKnown for one	2.9 ms	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	7.8 W	6.35 W
Operating voltage	5 V	5 V
Start-up currentDiffers	0.47 A	2 A
Power consumption (idle)Known for one	4.55 W	Unknown — not stated by the source
Power consumption (read)Known for one	6.46 W	Unknown — not stated by the source
Power consumption (write)Known for one	7.05 W	Unknown — not stated by the source
Operational conditions4 differ
Operating temperature (T-T)Differs	5 - 55 °C	5 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating vibration	0.5 G	0.5 G
Non-operating vibration	3 G	3 G
Operating altitudeDiffers	-304.8 - 3048 m	-60.96 - 3048 m
Non-operating altitudeDiffers	-304.8 - 12192 m	-60.96 - 12192 m
Operating shockDiffers	40 G	70 G
Non-operating shock	400 G	400 G
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
HeightKnown for one	Unknown — not stated by the source	15 mm
WeightKnown for one	Unknown — not stated by the source	200 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	4.69 Gbit/s
InternalKnown for one	Unknown — not stated by the source	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Compliance certificatesKnown 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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