Power Macintosh Upgrade Card

Power Macintosh card increases computer speeds as follows System Software Requires system software version 7.1.2 or later DRAM System you are upgrading with the Power Macintosh Upgrade Card Operating 50-104 F 10 to 40 C Temperature Relative Humidity 5-95 non-condensing Altitude 0-10,000 ft. 0-3048 m