Intel Desktop Board 21 B6 E1 E2 Specification [upd] May 2026

The marking "21 B6 E1 E2" is a regulatory or industry specification marking found on several older Intel desktop boards and is not a unique model number. This specific marking is frequently associated with legacy boards from the LGA 1155 or LGA 1150 eras (roughly 2nd to 4th Gen Intel Core processors) often used in OEM systems. Identifying Your Specific Board Model

While multiple boards share this marking, it is most frequently associated with the Intel 2nd Generation (Sandy Bridge) family, specifically models using the LGA 1155 socket. Socket Type: LGA 1155 (Socket H2). intel desktop board 21 b6 e1 e2 specification

If you need the exact technical manual or driver set for your specific board, do not rely on the "21-B6-E1-E2" marking. Instead, look for the AA (Altered Assembly) Number printed on a small white barcode label on the board.  The marking "21 B6 E1 E2" is a

found on a wide variety of Intel motherboards from the early 2010s Socket Type: LGA 1155 (Socket H2)

Industry veterans and tech communities note that this marking is often found alongside other regulatory numbers like E210882 or D33025. These do not identify the specific board model (such as a DH61CR or DQ77MK) but rather indicate compliance with certain manufacturing standards. Typical Specifications Found with This Marking

With its impressive specifications and robust design, the Intel Desktop Board D21-B6-E1-E2 was the perfect foundation for John's gaming and content creation build. He ordered the board and began building his system, excited to experience the performance and features it had to offer.

Specifications