Features:

• 500 GB SATA NCQ internal hard drive features SATA with 3 Gbps and Native Command Queuing
• 16 MB cache buffer; 7200 RPM for fast read/write times
• Whisper-quiet with a 2.5 bels idle and 2.8 bels seek acoustics
• Includes internal drive, interface cable, serial ATA power cable, DiscWizard installation software, SeaTools diagnostic software, quick install guide, and mounting screws
• 5-year limited warranty

Editor Reviews:

Product Description:
The Seagate ST3500641AS 500GB Internal SATA Hard Drive has the advanced features and blazing performance you need, for better storage and memory performance. It's exceptionally easy to use and gives you better storage for your film, video and audio files - and even the latest memory-intensive games. DiscWizard software simplifies installation SATA connection Includes cable, disc utility CD, quick-installation guide and mounting screws Operating Systems - Windows 98SE, NT, Me, 2000 and XP

Rating : - no problems so far
I have 2 of these mirrored on a home server with no problems so far.
Used it with my "D-Link DNS-323 2-Bay Network Storage Enclosure" with no problems either.