This is my Media Server and main Home Computer. I needed fast access to info and I needed a large and expandable array that would also be ok if a drive or two died. Here is my solution:.
-For fast access to the programs and info I use the most, I have a Boot Disk composed of 4 OCZ Vector SSDs in RAID 0, which kills the read/write speeds of the new Mac Pro.
-For processing power, I went simple and sure, the 4770k, over clocked to 4.3Ghz and Liquid cooled with a Thermaltake Water 3.0 Extreme. Pretty quiet and really nice temps.
-For Ram, I don't need a ton, but I do want it to be able to process things quickly, so went with the G.Skill Trident X 16GB @ 2400MHz.
-The Motherboard is nice and beefy, and doesn't require a DSDT to load OS X. It also doesn't hurt to have 10 SATA Ports.
-The Graphics Card is probably overpowered for my needs, but I got it for a net $25, so it's hard to complain. I only use it to help transcoding. That's all, really. I don't game with it. GTX 670.
-I waned it pretty, so I cut new windows into the panel and put custom cut Lexan in and also made a Lexan cover for the PSU. I always liked the ones on the HAFX, so I made my own. Later, I will put in more LEDs, have have a Cracked Apple Symbol with LEDs doing a Heartbeat rhythm behind it, programmed via Arduino Uno. That will be over the Pump. All of it remote controlled.
-I needed a case that could hold 12 drives plus 4 SSDs, so the Storm Stryker was the obvious choice, after adding another HDD cage. Also, I used 3x Sickleflow 120mm fans for the front. I had to connect them to the MoBo, though, because the case controller makes the fans sound weird. -To get a RAID 6 Array, I bought a used Areca ARC-1231ML RAID card. It came with a battery backup and the breakout cables. It adds a good 30s to my boot time, but hey, I've got 18TB of space to play with, and I can lose any two disks and not worry. I can also dynamically expand to 30TB later if need be. My read/write are around 750 write, 1150 read. not bad! -I wanted sturdy drives for the array, and I got the WD Red 3TBs relatively cheap, so I think it fits the bill well. Also, they're red, which fits the theme of the case. -Screw the optical drive. no one wants that crap any more. I didn't bother. And with this processing and through-put, why go wifi? So no Wifi adapter, just ethernet, which is fun, because I have Google Fiber being installed soon! -I use a basic BT dongle attached to my wall in my living room 30' away so I can use my keyboard and mouse from the couch.
-The PSU is a 1000W CM V-series because I also got it for a steal and I wanted to be able to possibly look at a small contained phase-change cooling system, later. -Let me know if I forgot anything. I'll add more pics later. -OS X Maverisks works beautifully on it, too, btw!