An Omen 30L comes with 4GB of DDR4 RAM. This is enough for most gaming needs. Additional RAM slots are available for upgrading in the future. The Omen 30L has one PCI-E 3.0 x16 slot and one PCI-E 3.0 x1 slot.
There are also two M.2 slots, one on the left and one on the right side of the laptop. These can be used for storage or for adding an additional graphics card. The Omen 30L has a single USB 3.0 Type-C port, two USB 3.1 Gen1 Type-A ports, and one HDMI port.