ZyXEL NBG6616: OpenWrt Compatibility Report

ZyXEL NBG6616 router
Image: OpenWrt Table of Hardware, CC BY-SA 4.0

The ZyXEL NBG6616 runs OpenWrt 25.12.0 on the ath79/generic target, and has been supported since 17.01.0. Its WiFi 5 (AC) wireless on the ath9k driver rates excellent for open-source driver support (0.85/1.0), installation is rated moderate, and it is no longer sold new.

Drivers: Excellent (0.85) WiFi 5 (AC) Install: moderate

Hardware data and retail listings last checked .

Discontinued. This model is no longer sold new, so this page is kept as a reference for people who already own one. See current alternatives.

Where to buy

We have no current retail listing for the ZyXEL NBG6616, which is no longer sold new. See current alternatives for devices you can still buy today.

Specifications

SoC Qualcomm Atheros QCA9557
CPU 1 core @ 720 MHz
RAM 128 MB
Flash 16 MB
Ethernet ports 5
USB 2x 2.0
WiFi generation WiFi 5 (AC)
Radios 2.4GHz: b/g/n · 5GHz: a/n/ac
WLAN hardware Qualcomm Atheros QCA9557, Qualcomm Atheros QCA9882
WLAN driver ath9k, ath10k-ct
OpenWrt target ath79 / generic
Package architecture mips_24kc
Current release 25.12.0
Supported since 17.01.0
Install method CLI generic, see devicepage
Install difficulty moderate
Power supply 12 VDC, 2.0A
Device type Home router
Estimated throughput 90 Mbps
Availability discontinued

Installing OpenWrt on the NBG6616

Installation on this device is rated moderate. Expect to use a recovery mode, TFTP or a vendor tool rather than a plain web upload. Documented methods: CLI generic, see devicepage.

Flashing third-party firmware can brick a router and usually voids the warranty. Always check that the firmware image matches your exact hardware version.

Still sold and well supported

Ruckus R500

WiFi 5 (AC) Drivers: Excellent $173

MikroTik RB962UiGS-5HacT2HnT (hAP ac)

WiFi 5 (AC) Drivers: Excellent $115

Ubiquiti UniFi UK-Ultra

WiFi 5 (AC) Drivers: Excellent $100

Not sure which fits? Take the 60-second quiz.