I've usually found most 19" rack equipment to have very loud fans. Designed for a data center, not a residence.
You can get quiet rackmount gear, but it certainly is a mine field and if you're not careful, you'll almost certainly end up with something 50+ dB.
You buy the equipment cheap on ebay but then spend a surprising amount on the noctua fans you need to make the thing tolerable.
The other problem is power. Also flows on to also making your other equipment (eg UPS) more expensive.
Yeah definitely. You don't want these in the same room as you, or even in the next room. Basement or loft maybe, but then who cares how they are mounted?
I sleep just fine in the room next to the room with a 2U server on stock fans. Though it's not heavily loaded, and I've tuned the fan curves so it only goes full blast under load
They both look nice, how is this one better specifically?
If you have a bunch of 19" rack-mount boxes, the Lack is a better choice. Small boxes, like those in the post, can live on a pegboard.
covered by that page, surfacing here: when the Lack rack was "invented," the legs were made of solid but inexpensive wood. Now the legs are hollow except at the top and bottom. Some people suggest filling them in, or replacing with new 2x2s if anything with some weight will be mounted there.