It contains a backlit magic keyboard with contact ID, plus a few Thunderbolt 4 ports, an HDMI port, SDXC card slot, a headphone jack as well as a MagSafe 3 port. Also, it's 36GB unified memory and 1TB SSD storage, but the most significant alter here is the processor, now that includes Apple's M3 processor chip. We enjoy the Arlo Essential good mov