Microchip SAMA5D4 Xplained Ultra: OpenWrt Compatibility Report

The Microchip SAMA5D4 Xplained Ultra runs OpenWrt 25.12.0 on the at91/sama5 target, and has been supported since 18.06.1. Its No WiFi wireless on the none driver rates fair for open-source driver support (0.50/1.0), installation is rated moderate, and it is no longer sold new.

Drivers: Fair (0.50) No WiFi 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 Microchip SAMA5D4 Xplained Ultra, which is no longer sold new. See current alternatives for devices you can still buy today.

Specifications

SoC Atmel ATSAMA5D44
CPU 1 core @ 528 MHz
RAM 512 MB
Flash 512 MB (NAND)
Ethernet ports 1
USB 2x 2.0
WiFi generation No WiFi
WLAN driver none
OpenWrt target at91 / sama5
Package architecture arm_cortex-a5_vfpv4
Current release 25.12.0
Supported since 18.06.1
Install method SD card
Install difficulty moderate
Power supply 5V, 2A via microUSB
Device type Single-board computer
Estimated throughput 92 Mbps
Availability discontinued

Installing OpenWrt on the SAMA5D4 Xplained Ultra

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: SD card.

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

Deciso DEC740

No WiFi Drivers: Good

Mellanox Spectrum SN3420

No WiFi Drivers: Good $24974

Mellanox Spectrum SN2700

No WiFi Drivers: Good $7995

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