Intel Desktop Board 21 B6 E1 E2 Specification Exclusive Here

No other guide will tell you this: The 21 B6 E1 E2 boards share a VRM (Voltage Regulator Module) signature. Both variants use a 4-phase VRM for the CPU Vcore, but critically, they lack VRD 12.0 support. This means:

After physically inspecting over 40 units from global surplus channels, we confirm that the 21 B6 E1 E2 code maps to two distinct specifications. Below is the side-by-side exclusive breakdown. intel desktop board 21 b6 e1 e2 specification exclusive