Netgear WNDR4000


 * Product Page

The manual states the default SSIDs are NETGEAR (b/g/n radio) and NETGEAR-5G
 * (a/n radio).. but NETGEARXX and NETGEARXX-5G may instead be used.

"U12H181T00" and "REV. 1 GP" is silkscreened on the main board.
 * OEM: Foxconn U12H181T00

Wikis

 * On the DD-WRT Wiki
 * On the OpenWrt Wiki
 * On the OpenWrt Wiki

Reviews

 * Netgear WNDR4000 Reviewed on SmallNetBuilder
 * C4:3D:C7 OUI

Forum threads

 * On the DD-WRT forums

Third party firmware support
This device should be well supported by DD-WRT (see wiki + forum posts below)
 * and partially supported by OpenWrt (Barrier Breaker (14.07) build).

While there is an OpenWrt build available, b43 currently lacks 11n support.

There is also support from Tomato Hyzoom