tender for supply of computer & accessories. , supply of computer & accessories. dekstop computer form factor-micro tower or bigger, processor-intel core tm i5- 14-th generation (14 cores, 20 threads) with intel uhd graphics or higher (preferable 14600), memory-16gb (2*8 gb) ddr5-5600 mhz or better, memory expandability up to 64 gb with 2 dimm slots, chipset-h670, h770and q670 or higher, storage-512gb nvme m.2 ssd or better, graphics-integrated, audio-integrated audio controller with internal speaker of at least 2w , operating system-dos/linux, networking-integrated 10/100/1000 ethernet controller/wi-fi 6 rtl8t ac2x2 +bt 5.3ww, ports-video: 1 hdmi 1.4, 1 vga/1 display (video ports should be functional inspite of installation of graphic card if required)/total usb port 8 nos, minimum 6 usb in front of cpu, 2 usb 3.2 gen 2 (min 10 gbps port 3 sata ports, 1 type c port, 1 serial port, slots bays-minimum 4 including 1 pci and 2 m.2 slots 2x3.5 internal, 1 external bay, keyboard-usb wired keyboard, mouse-usb optical wired mouse , power supply-180 w-260 w with 92% efficiency or better , volume and weight-no more than 16 l and less than 5kg, security-tpm 2.0/integrated intrusion sensor/integrated cable lock slot for keyboard and mouse/drive lock for hard disk, certification-fcc, ce, rohs, ul, epeat, energy star/iso 9001, 14001, 20001, 27001, 45001, 50001 for oem/top 3 oem as per latest ids report, display-21.5 monitor with resolution of 1920x1080 same make as desktop with hdmi, vga and tco 09, warranty-3 years onsite, additional storage in each desktop-ssd:wd 512 gb sata blue , lan-tp-link 24 port gigabyte switch- tl- sg1024de + lan installation for 10 computers , ups -apc 1000 va ,