b200m slotMemory 24 total slots for registered ECC DIMMs for up to 768 GB total memory capacity (B200 M3 confured with 2 CPUs using 32 GB DIMMs) IO Mezzanine adapters: One connectorSYSTEMS PUBLICATION HISTORY 170 WEST TASMAN DR. SAN JOSE, CA, 95134 REV E.16 JUNE 29, 2020 Spec Sheet UCS B200 M4 Blade Server