1GB RAM Memory for Gigabyte GA-EX Series GA-EX58-DS4 240pin PC3-8500 DDR3 DIMM 1066MHz Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com
Used - Very Good: GIGABYTE GA-EX58-UD5 LGA 1366 Intel X58 ATX Intel Motherboard Intel Motherboards - Newegg.com
Compatibility list for EK-RAM Monarch X4 - Nickel | Liquid cooling compatibility list | EKWB