Most i845E and i845G board I've seen up to date feature a passive heatsink for cooling the Northbridge, whilst this time around Gigabyte has gone for an active design to carry out the job - more precisely, a stylish gold colored cooler. Neighboring the cooler lies one standard AGP slot, six white PCI slots and one CNR slot. CNR or Communications and Networking Riser slots are all the rage these days, neglecting the fact that most people don't even know what they are, let alone have a use for them. Nevertheless Gigabyte provides you with one of these little brown slots, which may very well come in handy somewhere in the near future.