Mellanox Spectrum SN3420

48-Port 25GbE + 12-Port 100GbE Open Ethernet Switch
Homepage	Product page
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	Mellanox Spectrum SN3420
CPU1 N	Intel Pentium D1508
CPU1 Speed	2.2 GHz ( 4 cores )
Flash1 Size	8 GiB 8,192 MiB <br />8,589,934,592 B <br />67,108,864 Kib <br />8,388,608 KiB <br />65,536 Mib <br /> (NAND)
RAM1 Size	32 GiB 32,768 MiB <br />34,359,738,368 B <br />268,435,456 Kib <br />33,554,432 KiB <br />262,144 Mib <br />
ETH chip1	Brand? Model?
Switch	Mellanox Spectrum-2
Ethernet Port Count	48-25GbE, 12-100GbE
Ethernet connector	SFP28/QSFP28
Wired Standard	'
Auto-MDIX	unspecified
Switch Class	managed
Ethernet OUI: none specified
Expansion IF types	USB 2.0
Power	100-264 VAC ~ ? Hz, 4.5 A
Serial Port (UART)	yes, (115200 8N1)
JTAG Port	no
3rd Party Firmware Support	OpenWrt • (List | Dev | DLs)

For a list of all currently documented Intel Pentium SoC's with specifications, see Intel Pentium.
For a list of all currently documented Mellanox chipsets with specifications, see Mellanox.

For a list of all currently documented Mellanox devices with specifications, see Mellanox.

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki

Target: x86
Subtarget: 64
Package architecture: x86_64
Supported Since Commit
Support started version: 24.10.0
Current supported version: 24.10.5

LAN Hardware: Spectrum-2
LAN Comment: 48x 25GBit/s SFP28 + 12x 100GBit/s QSFP28
Installation method(s):
x86 installation, see devicepage

git • >>
packages: add needed packages for Mellanox Spectrum Switches Add needed kernel and firmware packages for Mellanox Spectrum SN2000 Series Switches.