1. Buffalo's portable SSD 'SSD-PHPA/N' series is on sale with discounts ranging from 3,780 Yen to 13,250 Yen for different capacities; 2. The series features high data transfer speeds, CopyBooster technology, and meets MIL-STD-810H and IP55 standards for durability; 3. Other brands like Samsung, Crucial, and Buffalo's 'SSD-PEA/N' series are also mentioned with their respective sale prices and specifications.