The string (often found near E210882 ) is not a specific motherboard model number but rather a series of regulatory and industry specification markings found on a wide variety of older Intel desktop boards. To find your exact specifications, you should look for the AA (Altered Assembly) number printed on a small barcode label on the board itself.
There is no official Intel Desktop Board “21 B6 E1 E2.” The string is a composite of PCB revision (21), power stage identifier (B6), and chipset stepping (E1/E2) found on (and possibly DB65AL or DP67BG).
Commonly associated with the Intel 6-series (e.g., H61, Q67) or 8-series chipsets. intel desktop board 21 b6 e1 e2 specification exclusive
This means that multiple distinct motherboard models (discussed below) can legitimately have this exact number printed on their board, which is why you see it associated with different specifications.
: Depending on the specific board model (e.g., Q67 Express Go to product viewer dialog for this item. The string (often found near E210882 ) is
) to ensure it matches your existing power supply and chassis. Final Verdict Intel Desktop Board 21 B6 E1 E2
DDR3 RAM slots supporting faster dual-channel profiles Technical Specification Matrix LGA 1155 Profile (Common) LGA 1150 Profile (Advanced) Form Factor Micro-ATX / ATX RAM Type DDR3 (Up to 1333/1600 MHz) DDR3 (Up to 1600 MHz) SATA Ports SATA II (3 Gbps) / SATA III (6 Gbps) SATA III (6 Gbps) Native Rear I/O Connectivity USB 2.0, Gigabit Ethernet, VGA/DVI USB 3.0, Gigabit Ethernet, HDMI/DVI Audio Realtek High Definition Audio Intel High Definition Audio Driver, OS Compatibility, and Legacy Support Commonly associated with the Intel 6-series (e
It is one of the few reliable options left for running 32-bit applications or older Windows 7 environments that modern hardware no longer supports. Buying Guide & Pricing