Does the OpenMetal Medium v4 Support Intel TDX?

Q: Does the OpenMetal Medium v4 support Intel TDX confidential computing?

The Intel Xeon Silver 4510 in the OpenMetal Medium v4 supports TDX at the hardware level, but TDX is not active in the standard 256 GB configuration — activation requires a RAM upgrade to 1 TB.

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The standard Medium v4 ships with 4 x 32 GB DIMMs per CPU socket, populating 4 of the 8 available DDR5 memory channels per socket. Intel TDX requires all 8 channels per socket to be active. Upgrading to 8 x 64 GB DIMMs per socket — 16 DIMMs total, 1 TB — fills all channels and satisfies Intel’s requirement. BIOS configuration is also required after the hardware change; OpenMetal handles this as part of the upgrade process.

Once configured, the server becomes the Medium v4 TDX Edition: the same chassis with hardware-enforced Trust Domain isolation active. Trust Domains protect each virtual machine‘s memory using per-TD keys managed inside the CPU — the hypervisor and host OS cannot read TD memory even with root access. Intel SGX for application-level encrypted enclaves activates with the same 1 TB upgrade.

To configure a TDX-enabled Medium v4, contact OpenMetal Support. The upgrade can be scheduled on a deployed server or pre-installed on a new order.