purchase of desktop and accessories - desktop and accessories: ( please refer to tender document for detailed understanding ) 1.form factor:tower with low-noise, with security cable lock hole feature. volume should be between 10l-18 l. in case of tool less chassis, some electronic / mechanical lock feature ( intrusion detection ) should be provided. 2.processor details: intel core i7 9700 9th generation ( 3 ghz , 4.6 ghz turbo, 6 cores, 12m cache ) or higher. 3.motherboard:intel q370 chipset or higher intel chipset. 4.graphics:integrated intel hd graphics 630 or higher 5.diagnostic tool: inbuilt pre-boot bios diagnostics 6.operating system:dos , ( support for linux os ) 7.hard disk drive :minimum 1tb hdd, 7200 rpm with pre-failure alert indication feature. 8.ram :minimum 16 gb ddr4, 2666 mhz, ram upgradable up to minimum 64 gb 9.network connectivity :one on board integrated gigabit ethernet 10 / 100 / 1000 10.expansion slots :minimum 1 slot of pciex1, 1 slot of m.2, 1 slot of pciex16 11.ports:minimum 6 usb ports, combination of usb 3.0 and usb 2.0. one headphone and mic port of one universal audio jack for headphone / mic. 2 ports ( hdmi / dp ) and 1 port vga 12.monitor: 23.8 or higher with minimum resolution of 1920x1080, including usb 3.0 ports, vga, hdmi / dp and same make oem, bezel less monitor. 13.keyboard:usb 104 keys keyboard ( same make as pc ) 14.mouse:usb 2 button scroll mouse ( same make as pc ) 15. tpm: hardware tpm 2.0 16. power supply: 240 w or higher with 90% or higher efficiency 17.mounting arms ( rife make ) : desktop arm / fully adjustable / tilt / articulating mount for screen up to 27-inch, up to 6 kg or more