Intel Desktop Board 21 B6 E1 E2 Specification [best] Site

LGA 1155 (also known as Socket H2), which supports Intel 2nd and 3rd Generation Core i3, i5, and i7 processors.

Most include a PCIe x16 slot for discrete graphics, though modern power-hungry cards (like the GTX 1050 Ti and newer) may sometimes face power delivery or BIOS compatibility issues on these older platforms. intel desktop board 21 b6 e1 e2 specification

Because "/21-B6-E1-E2" is not a unique model number, you must look for other markings to find the official support page and drivers: LGA 1155 (also known as Socket H2), which

2nd and 3rd Generation Intel Core i3/i5/i7 (Sandy Bridge and Ivy Bridge). DDR3 SDRAM ; usually 2 to 4 DIMM slots. Expansion: 1x PCIe x16 slot (commonly PCIe 2.0). SATA II (3Gb/s) or SATA III (6Gb/s) ports. I/O Ports: USB 2.0/3.0, Ethernet (RJ-45), and standard audio jacks. Performance Review Modern Compatibility: DDR3 SDRAM ; usually 2 to 4 DIMM slots