Guaranteed compatible upgrades for:

Gigabyte C Series Motherboard C621-WD12

System Specifications
Maximum Memory:
  • 384GB Reg ECC RDIMMs
  • 768GB LRDIMMs (1.5TB with 128GB module)
  • 6 Sockets (1 bank of 6) per CPU 12 Sockets (2 banks of 6) using two CPUs
Standard Memory:
  • 0GB (Removable)
  • Intel Xeon Intel C62x Series
Bus Architecture:
  • PCI Express; SSD - M.2 NVMe; SSD - M.2 SATA; SSD - SATA 2.5-inch 9.5mm; SSD - U.2 NVMe; USB 2.0/3.x Type-A; USB 2.0/3.x Type-C
Upgrade Path:
  • Configurations up to 384GB can be reached using 8, 16, and 32GB modules IN GROUPS OF SIX.