| Feature | Details | |-----------------------|----------------------------------------------| | Form factor | micro-ATX (24.5 cm × 24.5 cm approx.) | | CPU socket | LGA 1155 | | Supported CPUs | Intel Core 2nd gen (Sandy Bridge) — e.g., i3, i5, i7 (some 3rd gen with BIOS update) | | Chipset | Intel Q67 Express | | Memory slots | 4 x DDR3 DIMM (dual channel) | | Max memory | 16 GB (unofficially 32 GB with 8 GB modules) | | Memory speed | 1066 / 1333 MHz (non-ECC) | | Expansion slots | 1 x PCIe x16, 2 x PCIe x1, 1 x PCI | | Storage interfaces | 4 x SATA II (3 Gb/s), 2 x SATA III (6 Gb/s) | | Integrated graphics | Intel HD Graphics (from CPU) | | Rear I/O | PS/2, 6 x USB 2.0, VGA, RJ-45 LAN, audio jacks (line-out, mic, line-in), optional serial port | | Internal connectors | USB headers, COM header, LPT header, front panel audio, chassis fan, CPU fan | | Networking | Realtek RTL8111E (Gigabit Ethernet) | | Audio | Realtek ALC662 (5.1 channel) |

The is a Micro-ATX (mATX) motherboard designed for business-class performance, primarily found in Lenovo ThinkCentre desktops like the M91, M91P, M81, and M8300T . Built on the Intel Q67 chipset, this board is engineered for stability, reliability, and remote management through Intel vPro technology. Core Technical Specifications

: A dedicated 2-pin or 3-pin header intended for an external temperature sensor found in ThinkCentre cases.

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The motherboard layout is shown below: