I would try setting hard drives to never go to sleep and see if that makes a difference. You said "while using it" but I'm not sure if you meant while it is synced or while there are active reads/writes. If it freezes while the drive is active then this setting would not matter as it's not sleeping or in a low power state.
When Aura Sync freezes do your lights just stop working or does Windows show you an error? It's a long shot but if you have an actual error it might be worth contacting ASUS support. They may have seen this problem before. Or at the very least they may offer to exchange it for you if it's still under warranty.
PWN3D_ wrote:I wonder if it corresponds with some task launching. You could turn on/enable task history in task scheduler program and maybe monitor running processes to see.
No, no error whatsoever, just the animation of Aura sync (I use rainbow) stop working. I might check the event viewer when that happens but I have little to no hope for an entry there.
Ok, just noticed another behavior related to the main issue. I had the EHD-A2T and a Steam Wireless controller dongle connected to the front USB of my case. When I unplugged the Controller dongle, the lightning on the hardrive just turned off, but the hardrive was still connected (could still transfer to it). As soon as I open Armoury crate to check, all aura sync peripherals just froze (MB, Ram, Keyboard, Helios RGB Case, GPU...) and the peripherals in the aura menu would not show up (infinite loading) until I unplug the hard drive, then everything was back...
I'll probably try a fresh install of windows in a couple of days as I don't have much to loose from it, but it to me it's seems that Armoury Crate need an update for that specific hard drive.