Intel DX4ODP75 - DX40 OverDrive Processor 75MHz 486 Upgrade ODP75

( 3 X 25mhz). Drop in CPU upgrade with built-in regulator so it can run in older boards at 5V. Clock Speed: 75MHz. The heatsink is noticeably taller compared to the earlier DX2 variants. The internal CPU clock is tripled, from 25 to 75 MHz.