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Refurbished Linksys MX5503 Atlas Pro 6 AX5400 Wi-Fi 6 Dual-Band Mesh System (3-Pack)
$35
+ Free S/H w/ Amazon Primeat Woot!
Top Comments
AX5300 is a speed rating based on Wi-Fi 6 standard; if two different devices follow the same standard and have the same antenna setup (to oversimplify), then the AX number is exactly the same, even if devices have different ports and different chipset/CPU/RAM/ROM/GigE/USB/software/drivers, even if such changes mean that real-life performance would be different;
MX5300 device has 4-core CPU, 1024MB RAM, 5x GigE, 1x USB3;
MX5500 device has 2-core CPU; 512MB RAM, 4x GigE, 0x USB;
MX4300 (LN1301) had 4-core CPU; 2048MB RAM; 4x GigE, 1x USB3;
MX55EC3 is presumed to be a BestBuy SKU for 3x MX5500;
MX55EC3-RM2 is Linksys Certified Refurbished;
Community Reviews
This refurbished Linksys Atlas Pro 6 mesh kit is mainly valued as a cheap way to build or expand a Wi Fi 6 mesh, especially with wired backhaul. The hardware is described as solid for coverage and reliable operation, and the 4 by 4 4800 Mbps radio can still perform well when the nodes are split for mesh. It also appears compatible with older Velop gear and has OpenWRT or DD WRT interest for tinkerers. The main cautions are that setup can be fiddly, the app has frozen during provisioning, and the platform is older with no updates beyond 2021. A practical pick if you want inexpensive mesh hardware and do not mind extra setup work.
Common Questions (5)
Yes. Wired Ethernet backhaul is the preferred setup here because it avoids the dual-band wireless backhaul tradeoff and makes the nodes perform better. With wired backhaul, the dual-band design is less of a disadvantage.
Yes, these units are discussed as supporting both OpenWRT and DD-WRT, and several people report flashing OpenWRT successfully. OpenWRT setup may need to be applied to all nodes for mesh to work consistently.
Yes. The MX5503 and the AX5300 listing refer to the same hardware, with AX5300 tied to the MX55EC3 Best Buy model number. The main practical difference mentioned is labeling: one listing is shown as factory reconditioned while the other is refurbished.
It can work well, but tri-band systems are still preferred for the best wireless mesh speeds because they dedicate a separate 5 GHz band to backhaul. The MX5503 is dual-band, though its 4x4 4800 Mbps 5 GHz radio can still split to about 2400 Mbps for backhaul.
Support is still listed through late 2025, with a firmware page showing version 1.1.7.216771 dated 9/18/2025. That said, another comment says the last update was in 2021, so the update situation appears confusing across sources.
AI-generated summary based on comments from the community. Updated ago
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65 Comments
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AX5300 is a speed rating based on Wi-Fi 6 standard; if two different devices follow the same standard and have the same antenna setup (to oversimplify), then the AX number is exactly the same, even if devices have different ports and different chipset/CPU/RAM/ROM/GigE/USB/software/drivers, even if such changes mean that real-life performance would be different;
MX5300 device has 4-core CPU, 1024MB RAM, 5x GigE, 1x USB3;
MX5500 device has 2-core CPU; 512MB RAM, 4x GigE, 0x USB;
MX4300 (LN1301) had 4-core CPU; 2048MB RAM; 4x GigE, 1x USB3;
MX55EC3 is presumed to be a BestBuy SKU for 3x MX5500;
MX55EC3-RM2 is Linksys Certified Refurbished;
AX5300 is a speed rating based on Wi-Fi 6 standard; if two different devices follow the same standard and have the same antenna setup (to oversimplify), then the AX number is exactly the same, even if devices have different ports and different chipset/CPU/RAM/ROM/GigE/USB/software/drivers, even if such changes mean that real-life performance would be different;
MX5300 device has 4-core CPU, 1024MB RAM, 5x GigE, 1x USB3;
MX5500 device has 2-core CPU; 512MB RAM, 4x GigE, 0x USB;
MX4300 (LN1301) had 4-core CPU; 2048MB RAM; 4x GigE, 1x USB3;
MX55EC3 is presumed to be a BestBuy SKU for 3x MX5500;
MX55EC3-RM2 is Linksys Certified Refurbished;
https://computers.woot.
https://computers.woot.
Yes, 55 is worse than 53;
Yes, AX is NOT the same as MX;
No USB port;"
I bought these, I can upgrade, or add them to the wired back haul.
Yes, 55 is worse than 53;
Yes, AX is NOT the same as MX;
No USB port;"
Thanks for the post I have been waiting for this deal!
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I swapped it out for an MX4300 with OpenWRT. Runs rock solid. I don't know about these though. They're also refurb so that puts me off.
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