A:AnswerThe board on this has two M.2 2280 Key M slots, one of which is already occupied by the factory-installed SSD connected to a 4x PCIe 4.0 bus. The tower can accommodate up to two 3.5" SATA hard drives. You can install two 2.5" SATA solid state drives along with the respective mounting brackets. This will give a total of four SSD drives with two of them M.2 drives and the other two are SATA.
A:AnswerFor the size of the cooler itself (the part that sits on the CPU) no-it takes a 120mm cooler. If you're talking abou the fans in front that actually cool the fluid in the coolar, you can use a 240mm cooler.
A:AnswerThank you for the question. Certain models of the Omen 40L have liquid cooling already installed, and others have fan cooling with the option to self-upgrade to liquid cooling.