1066 MHz or 1333 MHz (Note: often operates at 1066 MHz due to chipset limits).
If you are looking to replace this board, it is widely available as a used or refurbished part under various Dell Part Numbers (DP/Ns) such as , OC27VV , or D517D .
Before making any changes, document your current system configuration, including the OS, processor, RAM, and any expansion cards.
The Q170 chipset includes soldered onto the board. This is a critical feature if you are planning to run Windows 11 . Unlike many older motherboards that require a TPM header and a separate module, this board has it built-in and enabled in BIOS, making it fully compatible with Windows 11 requirements.
specific model is the DDR3-capable revision designed for the LGA 775 socket.