bids are invited for apple macbook air (13.3-inch/33.78 cm, apple m1 chip with 8-core cpu and 7-core gpu, 8gb ram, 256gb ssd), ratina display - display retina display 33.74 cm / 13.3-inch (diagonal) led-backlit display with ips technology; 2560x1600 native resolution at 227 pixels per inch with support for millions of colours supported scaled resolutions:1680x1050,1440x900,1024x640 400 nits brightness wide colour (p3) true tone technology chip m1 chip 8-core cpu with 4 performance cores and 4 efficiency cores 7-core gpu 16-core neural engine charging and expansion two thunderbolt / usb 4 ports with support for: charging displayport thunderbolt 3 (up to 40 gbps) usb 4 (up to 40gbps) usb 3.1 gen 2 (up to 10 gbps) memory 8gb 8gb unified memory configurable to: 16gb storage 256gb 256gb ssd configurable to: 512gb, 1tb or 2tb keyboard and trackpad backlit magic keyboard with: 78 (us) or 79 (iso) keys including 12 function keys and 4 arrow keys in an inverted-t arrangement ambient light sensor force touch trackpad for precise cursor control and pressure-sensing capabilities; enables force clicks, accelerators, pressure-sensitive drawing and multi-touch gestures touch id touch id sensor wireless wi-fi 802.11ax wi-fi 6 wireless networking ieee 802.11a/b/g/n/ac compatible bluetooth bluetooth 5.0 wireless technology camera 720p facetime hd camera audio stereo speakers wide stereo sound support for dolby atmos playback three-mic array with directional beamforming 3.5 mm headphone jack warranty and service 90 days of complimentary technical support and a 1-year limited warranty. total quantity : 1