H100
NVIDIA's Hopper-generation data-center GPU; the chip behind most of the 2023–2024 buildout wave and the baseline many density and power comparisons start from.
Current numbers
~$16–27kused H100 secondary price by form factor (PCIe ~$16–20k; SXM5 ~$22–27k); no reliable age-stratified curve published
~288 GBHBM4 per Rubin GPU at ~22 TB/s; trajectory H100 80 GB → H200 141 GB → B200 180 GB → B300 288 GB → Rubin Ultra 1 TB
$2.10–2.70/hrneocloud median H100 rental 2026; 1-yr contract index rose ~+40% Oct'25→Mar'26 — volatile, re-pull before committing