Linksys EA8500


 * • 1733 Mbps - 4-stream 802.11ac device (433Mbps per stream),
 * • 800 Mbps - max. PHY rate for the 40MHz wide 2.4GHz channel = 2600 Mbps class


 * (Belkin/Linksys)

"EWW604-B1-L5 REV:205 (XC)" is silkscreened on the board in the photos.
 * It's CyberTAN manufactured EWW604 (via the Wayback Machine) variant.

"EWW604-B1-L5 REV:305 (XD)" is silkscreened on one newer revision unit.

Reviews

 * Linksys EA8500 Max-Stream AC2600 MU-MIMO Smart Wi-Fi Router Reviewed - Part 1 on SmallNetBuilder

Forum threads

 * Linksys EA8500 on SmallNetBuilder forums

Third-party firmware support notes
Newer units don't have a populated serial header and have newer firmware which explicitly locks you out from flashing third-party firmware. This necessitates flashing manually via TFTP in U-Boot (see here).