I've been working on a Sandy Bridge mini-ITX HTPC. Originally I wanted to use the Intel DH67CF (aka BOXDH67CFB3) motherboard, given its reputation for lower power consumption
. As I posted in this thread
, with stock fan, 2x4GB RAM, SSD, 140mm case fan, and picoPSU 160, i5-2500k, I got 22 Watts AC idle power consumption. Not bad!
But last night I received the heatsink I really want to use - a Thermalright AXP-140 RT. First installation step was to mount the backplate. But that wasn't possible, as there's a huge integrated circuit (IC) on the back of the motherboard, right next to the stock steel socket plate. It's easy to see if you look at Newegg's picture
: select the picture of the back of the board, and you can see that huge IC above the socket plate, left of center. It's right next to
the heatsink mounting hole. That IC is actually a millimeter or two thicker than the steel plate.
At least with the AXP-140's backplate, I felt it would put a lot of awkward pressure on that IC.
There's probably some ways to work around this. But as I said in that other thread, I wanted to compare the power consumption of this board to the Asrock H67M-ITX, and now I feel I have a compelling reason.