Radeon HD 4870 review - ASUS - 3 - Radeon HD 4850 & 4870
Used - Very Good: ASUS Radeon HD 4870 Video Card EAH4870 DK TOP/HTDI/512MD5 - Newegg.com
Sapphire HD 4870 Toxic Specs | TechPowerUp GPU Database
Amazon.com: New ATI Radeon HD 4870 1GB PCI-Express Dual DVI Graphics Card - PC Edition (OEM Bulk Pack - Card Only - GPUexpress 1 Year Warranty) : Electronics