I am proud to say I do not own a CPU or APU with a power draw greater than 45W. I think that in 2012 anyone who does is paying too much in electrical costs to maintain their computer--unless they have special needs or play some new-fangled video game. The trend in computers is to use less power, not more. I say that time and time again. Old school hackers don't believe me. Back in the day, the only thing that mattered was speed, because computers were too slow, and human beings hate to wait for a machine. Anyone who has been paying attention to processors knows that the situation has changed. Today's processors are fast enough for most tasks and in fact much processor potential goes wasted, with the primary exception of video games. If you don't play the latest video games--and I don't--then go green, ignore the "fastest processor" hype, and buy a motherboard/processor combination optimized for HTPC. Some of them today have a total power draw of 18W or less, which is extremely impressive. Processor power draws are getting down into Compact Fluorescent Light Bulb territory! What this means is that not only will we save money running our computers, we will also save on air conditioning costs (less power=less heat dissipation=less cooling costs) and enjoy quieter machines (cpu fans become optional with passive cooling becoming a possibility).
The chief disappointment I have encountered in shopping for HTPC motherboards is that motherboard manufacturers do not know what time of the day it is. They always include a parallel port and serial port without fail, both of which are completely useless to most users today. I disable these "features" on the BIOS of every motherboard I have. Typically, they cut the PCI expansion slot in favor of an unnecessary PCI Express expansion slot, ignoring the fact that their apu-provisioned motherboards do not require separate video cards (the usual consumer of a PCI Express slot). Also, most motherboards I have seen have Stone Age sound. They lack a SPDIF optical connection and suitable hardware HD sound support for a high-end surround-sound stereo system. Most motherboards also seem fixated upon HDMI, which I don't use--and I don't understand why anyone would use it unless they have a monstrously high-resolution monitor, in which case a little bitty green HTPC might not be indicated for their purpose.
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