Guaranteed compatible upgrades for:

ASRock Server Board D1521D4I

System Specifications
Maximum Memory:
  • 64GB non-ECC/ECC UDIMMs
  • 128GB Reg ECC RDIMM
  • 4 Sockets (2 banks of 2)
Standard Memory:
  • 0MB (Removable)
  • Intel Xeon
Bus Architecture:
  • SSD - M.2 PCIe; SSD - SATA 2.5-inch 9.5mm; USB 2.0/3.x Type-A
Upgrade Path:
  • Configurations up to 64GB can be reached using 4, 8, and 16GB modules IN PAIRS.