X58 Motherboard Set LGA 1366 With Intel Xeon E5620 CPU 2pcs X 4GB =8GB DDR3 Memory RAM X58 V1608 Intel Motherboards - Newegg.com
Best Buy: EVGA Desktop Motherboard Intel X58 Express Chipset Socket B LGA-1366 Retail Pack X58 FTW3
Amazon.com: X58 PC Motherboard for Intel X58, 2 x DDR3 Motherboard LGA1366 Pins,Gaming Motherboard Support ECC Memory USB2.0 SATA Port Motherboard for Desktop PC : Electronics
X58 Desktop Motherboard Lga1366 Set Kit With Intel Xeon X5570 Processor And 16gb(2pcs*8gb) Ecc Ddr3 1600mhz 12800r Ram Memory - Motherboards - AliExpress
Intel X58 LGA 1366 Motherboard Set Kit with Xeon E5620 CPU+2*4G=8G ECC DDR3 RAM | eBay
The Old X58 Motherboard "RAM Not Showing" Problem - Also on an older thread. | [H]ard|Forum
The Chipset - Meet Intel's X58 - The Dark Knight: Intel's Core i7