OFFTEK 1GB Replacement Memory RAM Upgrade for Gigabyte GA-Z77-D3H (DDR3-10600 - Non-ECC) Motherboard Memory at Amazon.com
GIGABYTE Z77X Owners/Discussion/Information/Support Thread and Club (UD5H, UD3H, D3H, and ALL) | Page 315 | Overclock.net
16GB (2x8GB) Memory RAM Compatible with Gigabyte GA-Z77N-WIFI, GA-Z77P-D3, GA-Z77X-D3H By CMS A63 - Computer Memory Solutions
Amazon.com: Fit for GIGABYTE GA-Z77-D3H Rev 1.x USB3.0 SATA III Z77-D3H Computer Motherboard LGA 1155 DDR3 for Intel Z77 Desktop Mainboard Gaming Motherboard : Electronics