Acer Intel Core i7-3770. Processor family: Intel® Core™ i7, Processor socket: LGA 1155 (Socket H2), Processor lithography: 22 nm. Memory channels: Dual-channel, Maximum internal memory supported by processor: 32 GB, Memory types supported by processor: DDR3-SDRAM. On-board graphics card model: Intel® HD Graphics 4000, On-board graphics card base frequency: 650 MHz, On-board graphics card dynamic frequency (max): 1150 MHz. Market segment: Desktop, PCI Express configurations: 1x16, 2x8, 1x8+2x4, Supported instruction sets: AVX, SSE4.1, SSE4.2. Processor package size: 37.5 mm