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<blockquote data-quote="OrionHall" data-source="post: 189441" data-attributes="member: 56502"><p>Hi All,</p><p>I've built a HTPC based on the Hiper HMC-1S53A and found it does need some work to get the noise levels right. </p><p></p><p>The power supply fan is a nasty little thing - 5cm high and quite a whiny noise. It's wired straight to the PSU but it's easy enough to remove it and put in a better quality, quieter fan. That helped, but not enough. Then I got out my Dremel and removed the grill on the left-side of the case where this fan exhausts. It was easy enough to pop-rivet a 5cm fan grill in its place - the holes in the case were too small and this added to the noise. In addition I fitted a Zalman fan regulator (i.e. variable resistor!) in-line wih the fan - mine is running fine at about 50% of the original speed and no heat problems. I've been meaning to post my project photos so you can see how it looks with the mods - I'll get round to it one day. 5cm fan grills are hard to find but I found them on eBay eventually.</p><p></p><p>Finally though, I tested my HTPC with a power meter and found I'm only using about 65 Watts when at full load. Because of this I'm planning on binning the Hiper power supply and fitting a PicoPSU so it'll be totally silent! Google PicoPSU and you'll find them - excellent idea for silent power. Of course that renders my fan grill mod redundant, but hey, you live and learn!</p><p></p><p>Despite the work involved this is a lovely case for a living room PC - the newer models from Hiper look cool but too 'busy' on the front for my setup. The last thing I need is yet more LED displays under the TV!</p><p></p><p>Hope that helps,</p><p></p><p>OrionHall.</p></blockquote><p></p>
[QUOTE="OrionHall, post: 189441, member: 56502"] Hi All, I've built a HTPC based on the Hiper HMC-1S53A and found it does need some work to get the noise levels right. The power supply fan is a nasty little thing - 5cm high and quite a whiny noise. It's wired straight to the PSU but it's easy enough to remove it and put in a better quality, quieter fan. That helped, but not enough. Then I got out my Dremel and removed the grill on the left-side of the case where this fan exhausts. It was easy enough to pop-rivet a 5cm fan grill in its place - the holes in the case were too small and this added to the noise. In addition I fitted a Zalman fan regulator (i.e. variable resistor!) in-line wih the fan - mine is running fine at about 50% of the original speed and no heat problems. I've been meaning to post my project photos so you can see how it looks with the mods - I'll get round to it one day. 5cm fan grills are hard to find but I found them on eBay eventually. Finally though, I tested my HTPC with a power meter and found I'm only using about 65 Watts when at full load. Because of this I'm planning on binning the Hiper power supply and fitting a PicoPSU so it'll be totally silent! Google PicoPSU and you'll find them - excellent idea for silent power. Of course that renders my fan grill mod redundant, but hey, you live and learn! Despite the work involved this is a lovely case for a living room PC - the newer models from Hiper look cool but too 'busy' on the front for my setup. The last thing I need is yet more LED displays under the TV! Hope that helps, OrionHall. [/QUOTE]
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