Marked as BCM94360CD, this Broadcom AirPort card boasts support for the new 802.11ac Wi-Fi standard.

Not the first Mac to get updated with the new ac standard, we expected to see some similar hardware as in the refreshed MacBook Airs from earlier this year.

What's under the hood?

Broadcom BCM4360KML1G 5G WiFi 3-stream 802.11ac gigabit transceiver—as expected, this is the same chip driving the ac Wi-Fi in the 11" and 13" MacBook Air

Three Skyworks SE5516: dual-band 802.11a/b/g/n/ac WLAN front-end modules

Broadcom BCM20702 single-chip Bluetooth 4.0 HCI solution with Bluetooth Low Energy (BLE) support