Well yes no one is going to see how tidy the build is, as the case has no window, and it is indeed hidden under the desk. But a tidy build and cables out of the way makes for much better air flow through the case, and that will be important for this case as it's built for silent running, which means low speed fans.
Other other main reason and possibly more important than silent running is.
Easy access to the drive bays without messing up the cabling. In the 900 case I had, i had to remove the drive bay (eight thumb screws), undo the cooling fan on the bay, remove the four screws holding the drive in the bay, replace the drive, then put it all back together.
30 - 35 minutes of work, and the cabling was a total mess.
With the new case, I can replace a drive in under 2 minutes, from start to finish, and that includes removing and replacing the cases sides, and no mess with the cables.
What you can't see in the picture of the build is.
The HDDs are 2cm apart, and there is airflow channels in the drive trays themselves.
I also need to keep the HDDs at the top as SSDs are much shorter than 3.5 inch HDDs, which means moving the HDD down, and placing an SSD in the slot makes it hard to reach the SATA data and power cables.
The HDD temps are good anyway (see first screenshot)
I done a quick overclock using the Asus AI tuner, then ran the Aida stress test.
This board rocks, as I've already had the 2600K @ 5GHz, but backed it down after a few minutes as the temps were getting a bit high. For comparison. The Asrock board hit a brick wall at 4.8GHz.
The AI auto overclock set the following.
BCLK to 103.02 MHz
CPU multiplier to 43
Resulting to 4.43GHz
RAM was set to 1648MHz with 220.127.116.11 CR2 (this ram with do that at CR1 so there is still room for improvement).
AIDA64 stress test and temperatures (including HDDs)
Ambient room temperature was 18c
CPUZ showing CPU speed and VCore
Real temp showing max temps for each core
AIDA64 memory and cache benchmark.
It just goes to show that you don't need quad channel memory to get fast memory transfers and low latency.