Western Digital WD6400AACS 640 GB SATA Caviar Green Internal Hard Drive for $68 with free shipping. Use coupon code 7XRCSVHMT9VDL0 for 20% off. Then apply coupon code 7LXC0FZZR54P3X for an additional 10% off.
Technical Details:
* Drive Type: Internal
* Capacity: 640GB
* Interface: SATA 3.0Gb/s
* Interface Type: SATA
* Spindle Speed (RPM): Intellipower
* Buffer Memory: 16MB
* Data Transfer Rate on Serial ATA: Up to 3000 Mb/sec
* Form Factor: 3.5"
* Temperature, Operating (°C): 5 to 55
* Temperature, Nonoperating (°C): -40 to 70
* Shock, Operating: 2 msec (Gs): 30
* Acoustics Idle (belssound power): 24 dBA
* Acoustics Seek (belssound power): 25 dBA
* Acoustics Performance Seek (belssound power): 29 dBA
WD6400AACS - Hard Drives - From Dell SMB - Compare Prices, Reviews and Buy at NexTag - Price - Review
Western Digital WD6400AACS 640 GB SATA Caviar Green Internal Hard Drive $49 + FS 
