Lenovo ThinkCentre M90a Pro Gen 4 TCO 9.0 certification ENERGY STAR® 8.0 certification military standard MIL-STD-810H Intel® vPro® Enterprise UltraFlex V stand Operating system: Windows® 11 Pro Processor: Intel Core i7-13700 (16 cores - 8P + 8E, 24 threads, P-core 2.1/5.2 GHz, E-core 1.5/4.1 GHz, 30 MB cache) Memory: 1x 16GB SO-DIMM DDR5-5600 Number of slots (total/free): 2 DDR5 SO-DIMM slots (2/1) Maximum memory size: 64GB DDR5-5200 Hard disk: 1TB SSD M.2 2280 PCIe® 4.0x4 Performance NVMe® Opal 2.0 Position for internal drive: 1x 2.5" HDD + 2x M.2 SSD Optical drive: DVD±RW Memory card reader: 3 in 1 Display: 27" QHD (2560x1440) IPS 350 nits anti-glare, 99% sRGB Graphics card: Integrated Intel UHD Graphics 770 Audio: Realtek® ALC256-NL codec, HD sound 2x 5W; 2x microphone Keyboard: wireless Calliope, black/Slovak Mouse: wireless Calliope, black Webcam: 5MP + IR Hybrid Network: integrated 100/1000M Wireless communication: WLAN + Bluetooth (Intel® Wi-Fi® 6E AX211, 11ax 2x2 + BT5.3, vPro®) Security management: discrete TPM 2.0, TCG certified, Kensington Security Slot, Chassis Intrusion Switch Power: 230W 92% Side Ports: 1x Thunderbolt™ 4/USB4® 40Gb/s (data transfer support, 15W charging and DisplayPort™ 1.4) 2x USB 3.2 Gen 2 1x combined headphone/microphone jack (3.5mm) 1x card reader Rear ports: 1x USB-C® 3.2 Gen 2 (support for data transfer and 15W charging) 3x USB 3.2 Gen 1 1x HDMI® (combined port HDMI in 1.4/output HDMI 2.1 TMDS) 1x DisplayPort™ 1.4 1x Ethernet (RJ-45) 1x Kensington® security slot (3x7mm) 1x power connector Expansion slots: 3x M.2 (one for WLAN, two for SSD) Mounting system: VESA Black colour Dimensions: 613.6x364.54x227.11mm (horizontal lowest) 613.6x252.59x461.37mm (vertically highest) Weight: approx. 11.2 kg , onsite Link to the manufacturer page: https://psref.lenovo.com/Detail/ThinkCentre/ThinkCentre_M90a_Pro_Gen_4?M=12JM000CCK