Enterprise disk buying guide - Western Digital

We continue our reference guide to enterprise disk drives by looking at the world's number two disk vendor - Western Digital.

Hard disks are being challenged by solid state disk.

But just as tape is far from dead, we expect that spinning disks coated in magnetic goop will be around for a while yet. Hence SearchStorage ANZ's listing of the enterprise disks on sale in Australia and New Zealand today.

The first instalment of our guide listed Seagate drives and offered a spreadsheet so you can slice and dice the data.

In this, the second instalment, of this guide, we consider Western Digital products.

Gartner's most recent analysis of the disk drive market, "Market Share: Granular Shipment Analysis, Hard Disk Drives, Worldwide, 1Q08-4Q08", places Western Digital as the second-largest disk drive company in the world, with 26.8% of the total market.

Western Digital's Enterprise drives (also listed in this spreadsheet) include the following models.

WD RE4-GP

Form factor – 3.5 inch

Capacity – up to 2 Terabyte

Interface(s) – SATA

RPM – 7200

Cache – 64 MB

Working power consumption – 6.8 Watts

Idle power consumption – 3.7 Watts

MTBF – 1.2 million hours

Medium (Flash or magnetic) – Magnetic

Intended role – Large data centers, web service providers, commercial grade surveillance systems and organizations requiring huge amounts of storage with limited budget and power allotment

 

WD VelociRaptor

Form factor – 2.5 inch

Capacity – 300GB

Interface(s) – SATA

RPM – 10,000

Cache – 16 MB

Working power consumption – 6.08 Watts

Idle power consumption – 4.53 Watts

MTBF – 1.4 million hours

Medium – Conventional

Intended role – Performance low-end servers, workstations and enthusiast systems

 

WD RE3

Form factor – 3.5 inch

Capacity – Up to 1 Terabyte

Interface(s) – SATA

RPM – 7200

Cache – 16Mb and 32 MB

Working power consumption – 8.4 Watts

Idle power consumption – 7.8 Watts

MTBF – 1.2 million hours

Medium (Flash or magnetic) – Conventional

Intended role – Servers, video surveillance, and other demanding write-intensive applications.

Hard disks are being challenged by solid state disk.

But just as tape is far from dead, we expect that spinning disks coated in magnetic goop will be around for a while yet. Hence SearchStorage ANZ's listing of the enterprise disks on sale in Australia and New Zealand today.

The first instalment of our guide listed Seagate drives and offered a spreadsheet so you can slice and dice the data.

In this, the second instalment, of this guide, we consider Western Digital products.

Gartner's most recent analysis of the disk drive market, "Market Share: Granular Shipment Analysis, Hard Disk Drives, Worldwide, 1Q08-4Q08", places Western Digital as the second-largest disk drive company in the world, with 26.8% of the total market.

Western Digital's Enterprise drives (also listed in this spreadsheet) include the following models.

WD RE4-GP

Form factor – 3.5 inch

Capacity – up to 2 Terabyte

Interface(s) – SATA

RPM – 7200

Cache – 64 MB

Working power consumption – 6.8 Watts

Idle power consumption – 3.7 Watts

MTBF – 1.2 million hours

Medium (Flash or magnetic) – Magnetic

Intended role – Large data centers, web service providers, commercial grade surveillance systems and organizations requiring huge amounts of storage with limited budget and power allotment

 

WD VelociRaptor

Form factor – 2.5 inch

Capacity – 300GB

Interface(s) – SATA

RPM – 10,000

Cache – 16 MB

Working power consumption – 6.08 Watts

Idle power consumption – 4.53 Watts

MTBF – 1.4 million hours

Medium – Conventional

Intended role – Performance low-end servers, workstations and enthusiast systems

 

WD RE3

Form factor – 3.5 inch

Capacity – Up to 1 Terabyte

Interface(s) – SATA

RPM – 7200

Cache – 16Mb and 32 MB

Working power consumption – 8.4 Watts

Idle power consumption – 7.8 Watts

MTBF – 1.2 million hours

Medium (Flash or magnetic) – Conventional

Intended role – Servers, video surveillance, and other demanding write-intensive applications.

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