FrostyTech has posted a Zalman ZM-MFC1 Fan Speed Controller review

Up until now Zalman have been pretty much been a heatsink-only company. And while it's true that they have produced fans and powersupplies, they haven't worked on many accessories beyond that. Since Zalman's company goal is "computer noise prevention" it was only a matter of time before they joined the rank and file with their own multi fan speed controller bay. However, the Zalman ZMMFC1 offers some flexibility that other similar 5.25" bay fan speed controllers don't. Namely, the ZMMFC1 comes with four fan speed channels and a side of two extra channels that operate auxiliary devices at either 12V or 5V. We'll get to those in just a second, but getting back to the four fan speed controllers we find each one with a three-pin connector, dial control (rheostat) and blue LED indicator light.

Read more