Why this deserves attention
Single Root I/O Virtualization (SR-IOV) on consumer and workstation GPUs has long been artificially restricted or gated behind expensive recurring enterprise licenses. According to testing by Level1Techs, Intel's Arc Pro B-series workstation GPUs—specifically the Arc Pro B60 and B70—can now be partitioned into independent virtual functions under Proxmox VE without recurring licensing fees.
Under Proxmox VE and Linux kernel 6.11, the Intel Xe driver allows administrators to carve a single physical GPU into multiple discrete virtual machines or LXC containers. The 32 GB Arc Pro B70 supports up to eight virtual functions, allocating roughly 4 GB of VRAM per virtual instance, while the 24 GB Arc Pro B60 supports up to seven partitions at approximately 3.4 GB each. In multi-card workstation builds, a four-card B70 setup can drive up to 32 accelerated virtual desktops for CAD, lightweight 3D rendering, or remote desktop streaming via tools like Kasm Workspaces and Moonlight.
In practice, this creates an affordable off-ramp for homelabs and budget-constrained IT deployments facing steep price increases from VMware renewals and Nvidia vGPU per-seat subscriptions. Level1Techs also demonstrated that Proxmox live migrations under active SR-IOV workloads completed with roughly 2.5 seconds of transient display stutter rather than guest crashes, signaling significant progress in driver stability.
However, turnkey deployment is not here yet. Enabling SR-IOV on Proxmox currently requires manual kernel patches and specific firmware adjustments that have not yet landed in standard, out-of-the-box distribution builds. Historically, mixed driver versions between guest environments and the host hypervisor have also introduced instability across all active virtual functions on a card, and performance remains geared toward basic desktop acceleration rather than heavy compute.