Western Digital 3,5" disk drives

Because of its inexpensive price, WD drives are very well suitable for SOHO markets. Most of them have a SATA interface unless otherwise noted. SAS drives usually consume more power, but despite of having a smaller cache they range at the upper scale of performance compared to similar SATA drives.

Caviar Green (cool, quiet, decreased power)
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-701229.pdf
up to 3 TB
110 MB/s (123-150 MB/s for *ZRX/*ZDX models)
Intellipower, so no fixed rotational speed (RPM)
64 MB cache
300,000 load cycles
2.1-5.5 W power in idle mode (less power for *ZRX/*ZDX models)
2 years warranty

Green (cool, quiet, decreased power)
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-771438.pdf
up to 4 TB
ca. 150 MB/s
Intellipower, so no fixed rotational speed (RPM)
64 MB cache
300,000 load cycles
2.5-3.3 W power in idle mode
2 years warranty

Caviar Blue (standard desktop)
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-701277.pdf
up to 1 TB
126-150 MB/s
7200 RPM
8-64 MB cache
300,000 load cycles
4.9-6.1 W power in idle mode
2 years warranty

Blue (standard desktop, energy efficient for non *X models)
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-771436.pdf
up to 6 TB
126-175 MB/s (>= 147 MB/s for *Z?? models)
5400 RPM (7200 RPM for *X models)
16-64 MB cache
300,000 load cycles
2.5-3.4 W power in idle mode (>= 4.9 W for *X models)
2 years warranty

Caviar Black (desktop performance)
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-701276.pdf
up to 2 TB
126-150 MB/s
7200 RPM
64 MB cache (32 MB for *LX model)
300,000 load cycles
5.6-8.2 W power in idle mode
5 years warranty

Black (desktop high performance)
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-771434.pdf
up to 6 TB
150-218 MB/s
7200 RPM
64-128 MB cache
300,000 load cycles
6.1- 7.6 W power in idle mode (8.1 W for *FZEX models)
5 years warranty

Red / Red Pro (NAS Storage, *CX models are 2,5", *FF?? are Pro models and faster)
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-800002.pdf
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-800022.pdf
up to 6 TB (up to 1 TB for *CX models)
147-214 MB/s (144 MB/s for *CX models)
Intellipower, so no fixed rotational speed (7200 RPM for *FF?? Pro models)
64-128 MB cache (16 MB for *CX models)
600,000 load cycles
1,000,000 hours MTBF
2.3-3.4 W power in idle mode (0.6 W for *CX models, >= 4.9 W for *FF?? Pro models)
3 years warranty (5 years warranty for Pro models)

Caviar Re (RAID Edition with PATA interface)
http://support.wdc.com/product.aspx?ID=504&lang=en

Re (RAID Edition)
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-800044.pdf
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-800066.pdf
SAS: http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-771386.pdf
up to 6 TB
128-225 MB/s
7200 RPM
32-128 MB cache
600,000 load cycles
1,200,000-2,000,000 hours MTBF
0.63% AFR
4.4-9.2 W power in idle mode
5 years warranty

Se (Datacenter capacity, increased reliablity)
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-800042.pdf
up to 6 TB
164-214 MB/s
7200 RPM
64-128 MB cache
300,000 load cycles
800,000-1,200,000 hours MTBF
4.6-8.1 W power in idle mode
5 years warranty

Ae (Datacenter archive, spin-down capability for cold data)
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-800045.pdf
6 TB
> 150 MB/s
5760 RPM
64 MB cache
300,000 load cycles
500,000 MTBF
4.8 W power in idle mode
3 years warranty

Xe (Datacenter, SAS)
http://www.wdc.com/wdproducts/library/SpecSheet/ENG/2879-771463.pdf
up to 900 GB
204 MB/s
10.000 RPM
32 MB cache
600,000 load cycles
2,000,000 hours MTBF
5.2 W power in idle mode
5 years warranty

 

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