Lenovo GB300 NVL72 required rack water flow by supply temperature (W45-rated rack)
89 L/min at 35 °C supply (59 L/min at 25 °C; 177 L/min at 45 °C)observed
| Value kind | observed — Reported measurements, counts, and specifications keep the precision and scope stated by their source; an exact specification is not treated as a range. |
|---|---|
| Scope | Published per-rack flow requirement at the named supply temperatures; the ~20 K rise the 35 °C row implies for the liquid share of 135 kW is the guide’s arithmetic, not a Lenovo figure. |
| As of | 2026-08-30 |
| Source | Lenovo Press, Lenovo NVIDIA GB300 NVL72 Rack Scale AI product guide (LP2357), updated 30 August 2026; required rack flow 59 / 71 / 89 / 119 / 177 LPM at 25 / 30 / 35 / 40 / 45 °C fluid supply, allowable inlet up to 45 °C (ASHRAE W45), 135 kW rack TDP with about 90 % of heat to liquid. |
| Review | checking…review by 2027-03-08 · standard cadence |
| Recorded changes | last 2026-09-16 |
| Claim id | p2b-5-11-lenovo-gb300-nvl72-fws-flow |
Where the guide uses it
← Full numbers register — every date-stamped figure in the guide, with revision history.