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.
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
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
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.