Additionally, the H55DE3's integrated Intel HD graphics processor provides out-of-the-box HD and multi-monitor support while its dual PCIe 2.0 x16 lanes offer further graphical upgrading.
The H55DE3's LGA1156 CPU socket supports any Intel Core i3, i5 and i7-8xx processor type, while its 4 DIMM slots support up to 16GB of dual-channel DDR3 RAM with data transfer rates of 2600+(OC), 2133(OC), 1866(OC), 1600, 1333 and 1066MHz. Meanwhile, the H55DE3's Intel HD graphics processor provides support for full 1080p HD video playback via HDMI (1920x1200 @ 60Hz), DVI (1920x1200 @ 60Hz) and VGA (2048x1536 @ 75Hz) while ATI CrossFireX support and dual PCIe 2.0 x16 lanes offer a lot of room for graphical upgrade.