The core of this memory rally is HBM. Manufacturers are steering limited wafer capacity toward high-value HBM, standard DRAM supply contracts accordingly, and DDR4/DDR5 spot prices move up. eMMC, UFS and NAND follow.
For buyers the effect is not simply “a bit more expensive”: during a rising cycle quotations shorten from quarterly to monthly or even weekly, and lead times change from a fixed number of weeks to “scheduled by available capacity”.
Three practical steps: pull every memory line out of the BOM into its own sheet with capacity, interface, package and current alternates; confirm dual-brand feasibility for critical parts, especially pin-to-pin compatible ones; and state the quotation validity period in your RFQ so the price holds until PO. Hangtong can map alternates and available stock against your BOM to shorten that validation step.