The B660 Tomahawk clearly takes some aesthetic inspiration from MSI’s Unify range. Both share a black, RGB-less design that will easily blend into most systems. There are four RGB headers, including two that are addressable, so RGB is there if you want it. The Tomahawk comes with three PCIe slots. The primary slot is a x16 slot that supports PCIe 4.0, the second is a x16 slot (x4 electrical) that supports a PCIe 3.0 and finally there’s a PCIe 3.0 x1 slot.
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