EMC Number 3347. Ports Four Thunderbolt 3 (USB-C) ports (support charging, DisplayPort, Thunderbolt up to 40Gb/s, and USB 3.1 Gen 2 up to 10Gb/s), 3.5 mm headphone jack. Grade B- Used Tested, in working order, will have dints, deeper scratches/wear & tear.
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