Is the RTX A4000 good for AI and rendering work?

Yes for small and mid-size jobs. The A4000 has 16GB of VRAM and strong CUDA and OptiX performance, enough for 3D rendering, video encoding and fine-tuning small models. Very large models that need 24GB or more will not fit.

How does it compare with a cloud GPU instance?

You rent the whole machine, so the GPU, 24 CPU cores and 128GB RAM are yours alone with no per-hour GPU billing. Cloud instances offer newer GPUs and faster CPUs, but cost scales with time used and resources are often shared.

Can it run multiple virtual machines?

Yes. 128GB of RAM and 24 cores leave room for several VMs, and the A4000 can be passed through to a guest. Plan around the older CPU, which limits per-VM speed.

What storage does it include?

A 240GB SSD for the operating system and a 2TB SSD for data. That is enough for most workloads, but large media libraries will need external or additional storage.

What network speed do I get?

A dedicated IP with a port rated from 100Mbps to 1Gbps. Confirm the actual uplink for your plan, since 100Mbps is slow for serving large files or many players.