OpenMetal Medium v4 vs. Medium v4 TDX Edition: What’s the Difference?

Q: What is the difference between the OpenMetal Medium v4 and Medium v4 TDX Edition?

The Medium v4 TDX Edition is the same physical server as the standard Medium v4, reconfigured with 1 TB of RAM to activate Intel TDX — not a separate hardware model.

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The standard Medium v4 ships with 256 GB DDR5-4400 (4 x 32 GB DIMMs per CPU socket, 4 of 8 memory channels active). This configuration handles production databases, container orchestration, web hosting, and moderate-density virtualization. TDX is not active; the server runs without hardware-enforced VM isolation.

The TDX Edition replaces those DIMMs with 8 x 64 GB per socket — 16 DIMMs total, 1 TB. All 8 DDR5 channels per socket become active, raising aggregate memory bandwidth from approximately 282 GB/s to approximately 563 GB/s and enabling Intel TDX. Each virtual machine can run inside a Trust Domain whose memory is encrypted with per-TD CPU-managed keys, inaccessible to the hypervisor and host OS. Intel SGX for application-level enclaves also activates. The intended workloads shift accordingly: regulated financial systems, healthcare PHI processing, multi-tenant SaaS isolation, and key management infrastructure where hardware-provable isolation is a requirement.

The practical difference in choosing between them is whether your workload requires hardware-enforced VM isolation. If not, the standard Medium v4 delivers the same dual Xeon Silver 4510 compute and 6.4 TB Micron 7500 MAX NVMe at a lower monthly cost. Contact OpenMetal for current pricing on both configurations.