Intel® Pentium® Intel Pentium G HP G620, Intel Pentium G, LGA 1155 (Socket H2), 32 nm, Tray, G620, 2.6 GHz HP G620. Processor family: Intel Pentium G, Processor socket: LGA 1155 (Socket H2), Processor lithography: 32 nm. Memory channels: Dual-channel, Maximum internal memory supported by processor: 32 GB, Memory clock speeds supported by processor: 1066 MHz. Width: 1.48" (37.5 mm), Height: 1.48" (37.5 mm)