How to Build a 13 GPU Mining Rig
Build specs:

Motherboard: ASRock H110 Pro BTC+
CPU: G3900 Intel Celeron
Ram: 2X 4GB DDR4 2133 Micron
SSD: AData 128GB m.2 SSD
GPU: 6X Nvidia MSI p106-100 & 7X Powercolor Red Devil Golden Sample rx580 8GB
PSU: EVGA 1000G2 + 2X EVGA 750G2 & Triple PSU Link Cable
Risers: 10X Ver007 Sata Risers 3X Ver008 Molex Risers
Frame: BlackLucky13 13 GPU Mining Rig Frame from cryptomined.com
(Frame includes Power/Reset switch with LED)

OS: Windows 10 Pro Updated and Upgraded

Drivers: AMD Crimson ReLive Edition 17.6.2 Optional NVidia GeForce Game Ready 382.53 WHQL

Miners Tested: EWBF 3.4b ZCash Miner Claymore 12.5 ZCash miner Claymore 9.7 Ethereum miner

Ver007 Sata Risers:
https://cryptomined.com/index.php?main_page=product_info&cPath=1_215&products_id=199

Ver006 Molex Risers:
https://cryptomined.com/index.php?main_page=product_info&cPath=1_4&products_id=1

Get it on Amazon:
G3900
http://amzn.to/2tTF9oQ

4GB DDR4 2133 Crucial (micron alternative)
http://amzn.to/2tZ4qyH

EVGA 1000G2
http://amzn.to/2swGdLN

Alternate Recommended SSD:
AData SU800 128GB
http://amzn.to/2swGdLN