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NVIDIA H100 capacity
The H100 is the workhorse still clearing the most reserved training deals. On this board it is a post with a count, a place, and a start date, rather than a spot quote that expires this afternoon.
What to put in an H100 post
Say SXM or PCIe, the GPU count, and whether the nodes are 8-way. Name the fabric (NVLink inside the node, InfiniBand or Ethernet between nodes) and the memory on the host. A buyer comparing you with an hourly marketplace already knows the chip. They came here for the term and the tenant boundary.
Requests should say the substitute they will accept. A lot of H100 demand in late 2026 is really “H100 or H200, single tenant, this region, this quarter.” Write that down. It is how an H200 holder finds you.
How this differs from an hourly H100
Host marketplaces list H100s by the second, often interruptible, often on a machine shared in ways the listing only half-describes. A Private Compute offer is a statement that those GPUs can be held. Price can be hourly, monthly, or on request. The searchable facts are the window and the region.