bids are invited for desktop computer - desktop computers - cpu 8th generation intel core i5 processor ( 4 gb, 2133 / 2400 mhz ddr4 ram expandable up to 64 gb, 6 mb cache, 1 tb hdd 7200 rpm or higher ) , windows 10 , line interactive ups - line intreactive ups with avr & pwm, moset of igbt type switching device. suitable for single phase ac input voltage range 160v to 280v, 50 + / - hz and single phase output voltage 230v + / -9%, 50+ / - 0.5hz in ac mode with 30 minutes backup or higher , laser printer ( monochrome ) - laser printer ( monochrome ) - resolution mono 600 dpi or higher, paper size - a4, a5, a6, b5 and below with print speed in ppm ( a4 size ) 23 ppm or higher , inkjet printer / ink tank printer - inkjet printer / ink tank printer - resolution 4800x1200 dpi or higher, paper size - a4, a5, a6, b5 and below, print speed in ppm ( a4 size ) minimum 15 black & white and 10 colour prints & connectivity through usb cable or network cable through ethernet port or both , tower server - tower server, intel xeon e series 2.6 ghz and above or amd opteron series 2.6 ghz or equivalent or better, core configuration - minimum 4 cores per processor, standard memory - 16gb ddr4 ram expandable upto 64 gb or higher / ssd upto 1 tb, ethernet standards - ethernet, fast ethernet, gigabit ethernet, gigabit ethernet, 10 base-t, 100 base tx, 1000 base tx, operating system - windowsserver ( latest edition ) / windows small bussiness server ( latest edition ) / rhel ( latest edition ) . os to be preferably provided with media and cal total quantity : 1