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Price disclaimer: All prices are indicative list prices in USD, collected automatically from provider APIs and public catalogs and refreshed about every 2 hours. They exclude taxes, storage, egress and other fees unless a provider bundles them, may be out of date, and don't guarantee availability. The provider's own website is authoritative at the time of booking. PetaPrice does not rent out compute and is not a party to any contract with a provider. FLOPS are theoretical peak values from vendor datasheets. More

GPU glossary/Hardware and interconnect

NVLink and NVSwitch

Also known as: NVSwitch, NVLink-C2C, Infinity Fabric

NVIDIA's high-speed links between GPUs in one server, far faster than PCIe. They matter when a model is split across GPUs. AMD's equivalent is Infinity Fabric.

GPUs with NVLink and NVSwitch, best value first

Ranked by the lowest on-demand price per GPU-hour.

1V100 SXM2 16GB16 GB$0.19/h
2A100 SXM 40GB40 GB$0.89/h
3A100 SXM 80GB80 GB$1.23/h
4H100 SXM80 GB$1.82/h
5GH20096 GB$1.99/h
6H200 SXM141 GB$2.25/h
7B200 SXM180 GB$3.20/h
8V100 SXM2 32GB32 GB$3.90/h

Compare every GPU →

Related terms

SXM vs. PCIeSXM GPUs sit on a baseboard with NVLink between them and get more power, so they run faster. PCIe cards plug into a normal slot, cost less and are usually slower. An H100 SXM and an H100 PCIe are different products.
InfiniBandThe low-latency network used to connect GPU servers in training clusters. Multi-node training needs it (or fast RoCE Ethernet); single-node jobs don't.
NodeOne server. Datacenter GPUs usually come as 8-GPU nodes; some providers only rent whole nodes. PetaPrice always shows the price per GPU.

Hardware and interconnect

SuperchipA CPU and GPU on one module with a fast link between them, such as the GH200 and GB200. The GPU can use the CPU's memory as an extension of its own.
TDPThermal design power: roughly the most power the GPU draws, in watts.
MIG and fractional GPUsMulti-Instance GPU splits one A100, H100 or newer into isolated slices. Slices and other fractional GPUs (vGPUs) are cheaper but aren't full GPUs, so PetaPrice leaves them out.