Microsoft Storage Reserved Capacity Cool 1 PB RA-GRS

Reduce storage cost for large datasets that do not need constant access. Microsoft Storage Reserved Capacity, Cool - 1 PB, RA-GRS, US West Central, 3 Years reserves 1 PB of Cool Azure storage in a defined region for a 36-month term, giving infrastructure teams a clearer path to long-range capacity planning. The Cool tier is designed for data with lower access frequency, making it a strong fit for retention-heavy workloads, archival repositories, compliance records, and backup datasets that must remain durable but are not read every day. RA-GRS adds read-access geo-redundant storage, extending resilience across regions without forcing teams to overprovision for active-use economics. At 1 PB, this reservation is aimed at organizations with meaningful storage scale and a need to control unit economics over time. The 3-year commitment can materially improve forecastability for teams managing large Azure footprints, especially when storage growth is steady and retention windows are long. For buyers comparing reserved capacity options, this model stands out when cost discipline, regional placement, and durability all matter at once.