hi i have a gigabyte GA-X58A-UD3R with 6 gig corsair xms3, problem is the mb is only recognizing 4 gig, every now and then it'll recognize the full 6 gig sometimes it'll only recognize 2 gig, here's the full spec of my system
Case Coolermaster HAF X
CPU Intel Core i7 930
CPU Heatsink Prolimatech Megahalems Rev B
Graphics Card Asus ATI Radeon HD 5870
Hard Drive 1 OCZ Vertex 2E 120GB
Hard Drive 2 Western Digital Caviar Black 1TB SATA 6Gb/s 64MB
Hard Drive 3 Western Digital Caviar Black 1TB SATA 6Gb/s 64MB
Memory Corsair XMS3 6GB
Motherboard Gigabyte GA-X58A-UD3R
Optical Drive 1 Sony Optiarc AD-7260S
Optical Drive 2 Sony Optiarc AD-7260S
Power Supply Zalman ZM600-HP Heatpipe Cooled 600W