PS-5111-1D - Dell 110-Watts Power Supply for Optiplex GX50 GX50R2 GX150
Dell Optiplex GX50 Desktop PC - Intel Celeron 900MHz, 128MB RAM, 20GB HDD, CD-ROM, 10/100 LAN, Office Ready, Windows XP Professional SP2, Off-Lease at TigerDirect.com
Dell Optiplex GX50 Asus 810E Motherboard 6J318
Dell OptiPlex GX50 PC Desktop - Customized for sale online | eBay
Best Buy: CMS 256MB PC133 168PIN DIMM for Dell OptiPlex GX50, GX115, GX150, GX240 CM3264PC13316DIMM001