3xSAMSUNG and 1xSK Hynix 64GB PC3L-10600L DDR3 1333 ECC LRDIMM 8Rx4 1.35V Samsung Part # M386B8G70DE0-YH93Q (made in 2017) and SK Part# HMTA8GL7AHR4A-H9 MC AB (made in 2014). The total MEM capacity is 256GB. Pulled from working units, tested working. Asking for $20 each or $75 for all 4.