Q: What is the maximum RAM in an OpenMetal Medium v5 bare metal server?
The OpenMetal Medium v5 supports up to 2 TB of DDR5-6400 ECC RDIMM across its 16 DIMM slots; the base configuration ships with 8 slots populated at 256 GB (8x 32 GB), and upgrading all 16 slots with 128 GB modules reaches the 2 TB maximum.
Three upgrade levels are available above the 256 GB base: 512 GB (16x 32 GB, all slots filled), 1 TB (16x 64 GB), and 2 TB (16x 128 GB). The 1 TB level is significant beyond raw capacity: it is the minimum configuration required to activate Intel TDX confidential computing on the Xeon 6505P platform. Reaching 1 TB also requires replacing the eight base 32 GB modules: a full DIMM swap, not a slot-fill.
The practical RAM threshold depends on workload type. In-memory databases (Redis, MySQL with large InnoDB buffer pools, ClickHouse) exhaust 256 GB quickly at medium-scale deployments. Proxmox and KVM virtualization hosts consolidating 20-plus VMs typically benefit from 512 GB or more. CPU-based ML inference with large transformer models (70B+ parameters) requires 1 TB or above to hold model weights fully in RAM without swap.
RAM upgrades on deployed Medium v5 servers are handled by contacting the OpenMetal team.
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