Standard B300 · available
For work that isn't sensitive
Ordinary GPU machines, no enclave. Templates or your own Docker image, SSH, volumes, the API and the CLI. If a launch fails, the prepaid hour comes back.
NVIDIA Blackwell Ultra
Rent NVIDIA B300 GPUs, by the second
Single B300 GPUs on demand from a prepaid balance. No waitlist, no sales call, no contract: launch, work, stop, pay for the seconds you used.
1 B300 available nowfrom $17.50/GPU-hour
Confidential B300 · not available yet
For data you can't expose
No B300 in Intel TDX confidential mode today. For sensitive data, H100, H200 and RTX PRO 6000 Blackwell run as confidential VMs with attestation you generate yourself.
See confidential VMs →The B300 in short
- ArchitectureBlackwell Ultra
- Memory288 GB HBM3e
- Memory bandwidth8 TB/s
- PrecisionFP4, FP8, BF16
Built for large-model training, long-context inference and anything that needs the memory of a B300 in a single card. Compare with the B200, H200 and H100.
From zero to a running B300
- Pick a machine on the standard GPUs page, filtered by GPU, price and stock.
- Launch with a template (PyTorch, vLLM, SGLang…) or your own image, from the console, the API or the CLI.
- Check what you got: one read-only command compares the machine with its listing.
curl -fsSL https://voltagegpu.com/hwcheck.sh | bash -s -- --gpu "B300" --gpus 1