Amazon.com: HP 488877-001 NVIDIA GeForce 8800 GTS 512MB graphics card - Must be paired with another GeForce 8800 GTS 512 MB to enable SLI technology : Electronics
BFG 8800 GT OC Specs | TechPowerUp GPU Database
NVIDIA GeForce 8800 GTS 320MB from BFG, MSI, and Foxconn