Lenovo ThinkCentre M70s Gen 4, 2.5 GHz, Intel® Core™ i5, 8 GB, 512 GB, DVD±RW, Windows 11 Pro Lenovo ThinkCentre M70s Gen 4. Processor frequency: 2.5 GHz, Processor family: Intel® Core™ i5, Processor model: i5-13400. Internal memory: 8 GB, Internal memory type: DDR4-SDRAM, Memory clock speed: 3200 MHz. Total storage capacity: 512 GB, Storage media: SSD, Optical drive type: DVD±RW. On-board graphics card model: Intel UHD Graphics 730. Operating system installed: Windows 11 Pro. Power supply: 260 W. Chassis type: SFF. Product type: PC. Product color: Black