24GB KIT (6 x 4GB) for Dell Precision Workstation Series T3500 (Non-ECC). DIMM DDR3 Non-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. at Amazon.com
CMS 8GB (2X4GB) DDR3 10600 1333MHZ Non ECC DIMM Memory Ram Upgrade Compatible with Dell® Precision Workstation T3500 - A69 at Amazon.com
Amazon.com: Dell Precision T3500 Tower High Performance Business Desktop, Intel Core XEON-W3550 3.06GHz up to 3.33GHz, 12GB RAM, 500GB HDD, 256GB SSD (Boot), DVD, Windows 10 Professional (Renewed) : Electronics
Dell Precision T3500 RAM Upgrade - Which slots should I use? : r/techsupport
Will this Dell T3500 boot after upgrades? – #24 - YouTube
Dell Precision T3500 MT Intel Xeon W3530 2.80GHz 24GB RAM HIS 5450 No
Amazon.com: Dell Precision T3500 Tower High Performance Business Desktop, Intel Core XEON-W3550 3.06GHz up to 3.33GHz, 12GB RAM, 500GB HDD, 256GB SSD (Boot), DVD, Windows 10 Professional (Renewed) : Electronics