bids are invited for desktop computer specification: - dell / hp / lenovo processor intel 10th gen core i3 chipset b460 memory 4gb ddr4 with expandability up to 32gb or higher storage 1tb sata operating system window 10 professional power supply 180w with 85% psu i / o ports 8usb ports with minimum 6 usb 3.2 or higher 1hdmi, 1vga, 1x headphone / microphone combo jack, 1 x microphone 1x serial, 1 rj45 monitor 21.5” full hd 1920x1080 viewing angle 178 / 178, aspect ratio 16:9, anti glare, with integrated vga & hdmi port speakers internal wi-fi & bluetooth wi-fi & bluetooth 5.0 or higher expansion slots pcie x16, pcle x1 2 m.2 slots 1 m.2 for wifi 1 m.2 for pcle ssd external bays 1x slim odd certification energy star 8.0; epeat siler rating or higher; rohs-compliant security tpm 2.0 form factor small form factor warranty 3years