16GB (4GBx4) Team High Performance Memory RAM Upgrade For Fujitsu Esprimo E5731 E7936 E-Star 5.0 Desktop. The Memory Kit comes with Life Time Warranty. at Amazon.com
A-Tech 64GB (2x32GB) RAM for Fujitsu ESPRIMO D6011 D3923-A1 | DDR4 3200MHz PC4-25600 Non ECC DIMM 2Rx8 1.2V - Desktop Memory Upgrade Kit at Amazon.com