This Hitachi HM6264P-15 CMOS Static RAM is a highly sought-after and hard-to-find part for computer enthusiasts and collectors alike. With a total capacity of 64K and a bus speed of 15, this SRAM module is a valuable addition to any vintage computer system. Featuring a DIP form factor and 28 pins, this unit is a high-quality and reliable memory component. Made in Japan, this Hitachi SRAM module is a one-of-a-kind part that is perfect for those looking to complete their vintage computer collection.