Actually, the M8 isn't really all that large - at least depending on what you put in it. It's not a very deep case, and once you shove a couple of GPUs, some radiators (OK... I may have gone a little overboard there... but meh), and PSU, drives, etc... it gets small enough to want a pedestal pretty fast.
You've got an SMA8 so technically you've got a pedestal too... it's just integrated into the case itself.
And I agree on the out-of-sight mentality. I try for 'neat' in the sense that airflow is as unobstructed as possible... but beyond that - unless you make every cable custom and plan in layers... eventually that many wires is going to be at least a little 'messy'.
Back/Front of same build:
This reminds me of my Merlin ST10 with dual pedestals. Do I need them? Heck no! Did I want them? Heck yes! Two Hardware Labs 360 rads in one pedestal, two EKWB XTX 480 rads in the other and one XSPC 480 rad in the main chassis. I had more room in main chamber for other parts and dual pumps without restricting the radiator airflow.
I recently had to downsize to the two Hardware Labs SR2 360s back in the main chassis. It's okay though. This allows me to build a SFF with a cooling loop with the funds recaptured from sale of the parts.
I started a build log here Small is BIG!.
This is a multi-month long project as Ryzen CPUs are released and possibly Navi 12 (Navi 20?) and motherboard makers release mini-ITX boards for 3rd gen Ryzen.
SSD can easily be mounted with velcro. I'm sure you can get away doing this on a 2.5 hdd. A 3.5 hdd might be a tad too heavy. I'm sure with some simple tools, you can mount the hdd to the case or a bracket to the case. If you want a bracket/cage option, there's some out there that mount to a 120mm fan
"I always throw my golf club in the direction of the next hole" R. Reagan
What do you guys think about mounting a hdd without a cage. Is that a thing these days? Dont really want to use a bulky cage if i can use velcro
Maybe if you use high quality velcro and your case is in a safe place where nothing can bump it, maybe.
Still wouldn't recommend it tho, I'd always recommend securely mounting your HDD's, preferably with vibration damping.
I'd suggest that if you don't want to bother with HDD cages, you're probably better off not installing HDD's in your case at all. You can just place your HDD in a raidbox or a NAS(Doesn't have to be expensive, you can build one out of an older pc.)
Hmm yeah, i have SSDs but i also have a 4TB WD blue for random storage. I could use one of my caselabs hdd brackets as a last resolution if theres no other options.
I always remove HDD cages , since they are airflow killers . I just put my HDD in Alpenföhn Alptunnel or scythe himuro and hide it under PSU cover , or 5,25 slots .No screws just cartboard / foam /rubber under the HDD box.