Before you buy such a piece of iron in 2022, ask yourself the question "Why do I need it for such a price?" It is better to add and buy RB3011/RB4011, which is MUCH more powerful. Or, for the same price, take hAP AC2 (RBD52G-5HacD2HnD-TC), which differs from RB3011 only in the number of ports. Got pros: Stability. There are several variations with/without Wi-Fi/SFP/USB Support by the company for fresh firmware (apparently until MIPSBE completely leaves) Has cons: For 2022, it is rather weak, why it is still being sold remains a mystery. In 2022 was a mega cool decision.
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