tender for purchasing desktop of i5 processor ,16gb ram ,512 gb ssd hard disk, 21.5 screen display , operating system window 11 home for coastal engineering sub division ernakulam , procurement , desktop - intel processor-high end-windows 11 home processor: intel core i5 @ 2.5 ghz base frequency, 6 core, 18 mb cache, tdp- 65 w chipset: compatible chipset motherboard: oem motherboard memory: 16 gb ddr4 ram upgradable to 32 gb. hard disk drive: 512 gb ssd. graphics adapter: high end graphics adapter with 2.0gb memory monitor: 21.5&rdquo or larger tft/led digital colour full hd monitor. keyboard: usb interface. keyboard. mouse: optical with usb interface. same make as pc. ports: 6 usb ports or more (at least 2 usb 3.0 ports and two ports in front panel (atleast 1 should be usb 3.0). networking facility: 10/100/1000 on board integrated network port, &amp wi-fi 802.11 b/g/n connectivity warranty: 3-year comprehensive on-site warranty including monitor, mouse &amp keyboard operating system: windows 11 home , ups input voltage : 140-300 vac input frequency : 45-55hz -auto sensing output power : 360w nominal output voltage : 230 vplusmin10% ac output frequency(battery mode) : 50hz + /- 1hz waveform : sine wave transfer time: typical 2-8 ms, max. 10 ms alarms : on battery, overload, low battery, fault backup mode : beep every 1 minute low battery : beep every 1sec overload : beep every 0.5 sec fault : continuous beeping backup time- for 1pc and lcd/led monitor load : 15-20 min recharge time : 4-8 hrs to 90 % after complete discharge battery specification- dc voltage: 12v battery capacity : 7 ah battery quantity: 1 no. battery type : sealed maintenance free battery protection: battery discharge, over charge, overload, surge environment: 0-40(dc),0-90% rh non condensing noise level : less than 45db warranty : minimum 2 years comprehensive onsite including battery