NLx
The layout, or form factor, determines what sort of case the motherboard needs and provides a maximum expansion slot limit
Case: minitowers:compact cases,low-profile cases or slimline cases. Power supply: ATX power supply
A motherboard form factor\ determines the size of the board and its features that make it compatible with power supplies cases processors and expansion cards. Beginning with the Intel i800 series of chipsets a hub.
The power supply, the backplate, the spacing of the mounts for the motherboard, and the position of the expansion slots in relation to the CPU
I found an answer that says the expansion slots are farther away from the CPU, but can't find in which form factor this is....
usually any motherboard that has a form factor above mini or micro atx (atx, extended atx, super atx) will have atleast 4 if not more expansion slots available by default and normally an atx (and possibly a extended atx) motherboard should fit in a full tower case (a super atx motherboard will more than likely need a super tower)
The motherboard is located on the form factor
The NLX form factor has a riser card on the edge of the motherboard.
laptop expansion memory form factor
1. Select the board that provides the most room for expansion. 2. Select the board that best suits the needs of the computer's current configuration. 3. Select a motherboard that meets your present need with moderate room for expansion.
It is BTX
BTX