I made a new gaming rig for my son this Christmas. It's a Biostar Z87 mobo, 4670K and a Radeon HD 7870 with a SSD and a single hard drive. I reused a Cooler Master real power pro 850w PSU. I think I've had that unit six years or so now. It's powered a rig with a Asus P5WDH, Q6600 and 4870...