for example dell, hp and lenovo run a large business laptop leasing business if they do not get their ram, it will sour their relationships with memory manufacturers

Lenovo is stockpiling memory to try to make it through the RAM winter.

https://www.tomshardware.com/pc-components/ram/lenovo-stockpiles-ram-as-prices-skyrocket-reportedly-has-enough-inventory-to-last-through-2026-memory-stock-claimed-to-be-50-percent-higher-than-usual-to-fight-pricing-shock

Lenovo stockpiles RAM as prices skyrocket, reportedly has enough inventory to last through 2026 — memory stock claimed to be 50% higher than usual to fight pricing shock

Lenovo is playing it smart and buying up as much memory inventory as it can

I don’t think that Lenovo is getting special deals with memory makers either, or they wouldn’t need to stockpile.