1. ® WD Caviar Green 3 TB WD30EZRX SATA 6 Gb/s 2.5 TB WD25EZRX SATA 6 Gb/s

2. ® WD Caviar Green 3TB WD30EZRX Page  2 ® TM Product Highlights  Massive 3 TB’s of storage on a single drive.  The world’s HIGHEST AREAL DENSITY hard drive at 750 GB/Platter  SATA 6 Gb/s  Reduced power consumption. Average drive power savings of 4-5 watts over competitors’ standard drives make this drive ideal for our energy-conscious customers.  Cool and quiet. WD GreenPower Technology yields lower operating temperatures for increased reliability and low acoustics perfect for ultra-quiet PCs and external drives.

3. ® WD Caviar Green 3TB WD30EZRX Page  3 ® TM Greater than 2.2 TB Status  WD is replacing the WD30EZRSDTL (3 TB, 3 Gb/s with bundled HBA) with the WD30EZRX (3 TB, 6 Gb/s, no HBA)  A very small portion of the population today will be negatively affected by the >2.2 TB dynamic  HBA is no longer required due to prevalence of UEFI systems and other third party driver updates  Microsoft has released their Windows 7 Service Pack 1 (SP1) that includes updated storage drivers  Intel released their RST version 10.1 which supports >2.2 TB  ASUS provides a Disk Unlocker tool for all of their motherboards that solves for >2.2 TB in Windows XP as well as Windows 7 and Vista http://event.asus.com/mb/2010/disk_unlocker/ http://event.asus.com/mb/2010/disk_unlocker/

4. ® Page  4  Vista and Win7 64-bit versions support boot capability where UEFI is supported by MB  Vista and Win7 64-bit versions support secondary storage  Vista and Win7 32-bit versions support secondary storage only  Latest Apple OS versions and most current Linux distributions are compatible  Legacy Win XP does not support >2.2 TB (NOTE: ASUS Motherboards DO support Win XP >2.2 TB through their Disk Unlocker solution) Breaking the 2.2 TB Barrier >2.2TB Host Interface / OS Compatibility

5. ® Page  5 Product Specifications WD Caviar Green 3 TB and 2.5 TB ® TM  3.5-inch, 750 GB/Platter 4-Platter Design  Capacities offered: 3 TB WD30EZRX and 2.5 TB WD25EZRX  SATA 6 Gb/s  64MB Cache  5 th generation of WD Caviar Green TM product line  Advanced Format (AF)  100% Halogen Free  ROHS Compliant Product Overview