intel® Desktop board DH61HO - Classic Series - Mouser Electronics
Technical Specification Overview Subject: Analysis of Intel Desktop Boards associated with Asset Tags "21 B6 E1 E2" (Likely DH67BL/DB65 Series).
Typically compatible with Intel 6-series or 7-series chipsets (e.g., Q67, H61, B75). DDR3 SDRAM
Often LGA 1155 (Socket H2), supporting 2nd and 3rd Generation Intel Core i3, i5, and i7 processors.
Can you find a with a 6- or 9-digit number starting with AA on the board? 3rd-gen-core-desktop-vol-1-datasheet.pdf - Intel
Expansion slots differ slightly: the B6 provides one PCIe 2.0 x16, two PCIe 2.0 x1, and one legacy PCI slot. The E1 replaces the PCI slot with an additional PCIe 2.0 x4 slot, while the E2 adds a PCIe 3.0 x16 slot (electrical x8) for dual-GPU configurations in compute-intensive tasks.
: Often includes 1 x PCI Express 2.0 x16 slot for dedicated graphics.