NeweggBusiness - ASUS GeForce 8400 GS 512MB PCI Express 2.0 x16 Video Card EN8400GS SILENT/P/512M/A (Class B)
ASUS NVIDIA GeForce 8400 GS Low-Profile SFF Video Graphics Card HDMI DVI VGA SFF | eBay
ASUS NVIDIA GeForce 8400 GS (EN8400GS SILENT/P/512M/V2/A) Video Graphics Card | eBay
HP 445681-001 ASUS GeForce 8400GS 8400 GS 256MB DDR2 Video Card Compeve Compenet HP 445681-001 ASUS GeForce 8400GS 8400 GS 256MB DDR2 Video Card [445681-001] - $25.99 : Professional Multi Monitor Workstations, Graphics Card Experts