The ASUS Prime B250 series motherboards pictures have leaked, including Prime B250 Pro, Prime B250-Plus, and B250M-Plus. The Prime B250 Pro and B250-Plus are ATX-motherboard offering most of the features in higher end motherboard. The Prime B250M-Plus is a micro-ATX motherboard offers most of the features its bigger siblings. All boards come with Black and Red color scheme and powered by the Intel B250 Express chipset. Though, these board lacks NVIDIA SLI support or the kind of CPU overclocking features.
ASUS Prime series motherboards feature the same 7-phase VRM design and six SATA ports along with a 32 Gb/s M.2 slot. The Prime B250 Pro and Prime B250-Plus comes with one PCI-Express 3.0 x16 wired to the CPU, a second x16 (electrical x4) slot wired to the PCH, and two each of PCI-Express 3.0 x1 and legacy PCI slots. The Prime B250M-Plus has one each of PCI-Express 3.0 x16, PCIe x1, and legacy PCI. All boards feature USB 3.1 (10 Gb/s) port. The pricing is expected around sub $100.