8GB 4X2GB RAM PC2-5300E 2RX8 DDR2 ECC Unbuffered for Dell Precision T3400 380 at Amazon.com
8GB (2 X 4GB) Memory for Dell Precision Workstation T3400 DDR2 800MHz PC2-6400 240 pin Desktop DIMM RAM (PARTS-QUICK Brand) at Amazon.com
Dell Precision T3400 Tower Workstation, 8GB, 1TB Windows 10 Pro and WIFI
Restored Dell Precision T3400 Desktop PC Workstation System Intel 3.0GHz Core 2 Duo Processor 8GB Ram 1TB Hard Drive DVDRW Windows 10 Professional with 22" Dual Screen Dell LCD's Computer (Refurbished) - Walmart.com