Western Digital 2006 Annual Report Download - page 13

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computers, notebook computers, enterprise storage, workstations, video surveillance equipment, networking products,
DVRs, STBs and external storage devices.
Desktop Hard Drive Products
Our hard drives designed for the desktop market currently consist of 3.5-inch form factor products with capacities
ranging from 36 GB to 500 GB and a nominal rotation speed of 7,200 RPM. These products utilize either the EIDE or
SATA interfaces, providing high performance while retaining ease of use and overall low cost of connection. The type of
EIDE interface currently used in our hard drives is ATA/100, which signifies a burst data transfer rate of 100 megabytes
per second, which is the maximum specified data transition that can be sustained under ideal conditions. The SATA
interface available in many of our hard drives enable burst transfer rates of up to 300 megabytes per second.
Mobile Hard Drive Products
Our hard drives used in mobile products typically include 2.5-inch form factor drives for notebook computers.
Although the desktop market accounts for a majority of hard drive sales, unit shipments of hard drives for notebook
computers represent a growing share of the total. In 2005, we introduced our WD Scorpio
TM
hard drive family consisting
of 2.5-inch form factor products with capacities ranging from 40 GB to 80 GB and a nominal rotation speed of 5,400
RPM. These products utilize the EIDE interface. In January 2006, we expanded our WD Scorpio
TM
line with 100 GB and
120 GB offerings, enabling us to address a greater share of the 2.5-inch mobile market. In addition, we added a family of
products with the SATA interface in March 2006. In July 2006, we added an 80 GB-per-platter 2.5 inch drive with
perpendicular magnetic recording (PMR) technology to the WD Scorpio
TM
family providing as much as 160 GB total
drive capacity.
Enterprise Hard Drive Products
We offer multiple product lines to address enterprise market needs, including:
• the WD Raptor», which is a 10,000 RPM enterprise-class drive with the SATA interface for enterprise
applications requiring high performance and high reliability; and
• the WD Caviar»RAID Edition (RE), which is a 7,200 RPM drive with capacities ranging from 120 GB to
500 GB. The WD Caviar»RE includes both SATA and EIDE interfaces and has enhanced reliability features and
ratings when contrasted to our desktop products.
Both WD Raptor»and WD Caviar»RE drives may be used in, but are not limited to, applications such as
databases, e-commerce and super computing in life science, oil and gas and similar industries, business records
management, e-mail, file serving, web serving, near-line storage, medical records, engineering data management, video
broadcasting and video security.
Consumer Electronics Products
We offer hard drives designed for use in products such as DVRs, STBs, karaoke systems, multi-function printers,
and gaming systems. These products deliver the characteristics CE manufacturers seek most — quiet operation, low
temperature and power consumption specifications, high reliability and optimized streaming capabilities.
Branded Products
We also sell a line of branded hard drive products and related adapters directly to end customers through retail store
fronts and online stores. These include:
• 3.5-inch, 2.5-inch and 1.0-inch form factor external hard drives, which are internal drives embedded into
PC peripheral-style enclosures with the WD brand that have FireWire
TM
, USB 2.0 and Ethernet network
connections; and
• internal hard drives packaged as an installation kit with the WD brand for retail store sales.
7