65% under what the other stores charge
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The Juniper JPSU-1100-AC-AFO is a 1100-watt AC power supply module for EX4300 Series switches. It is a field-replaceable unit that slides into the switch's PSU bay, and its AFO suffix means side-to-side airflow with exhaust toward the port side, matching the airflow direction of the switch chassis it sits in. It is a spare or expansion part, not a standalone device, so it only makes sense for someone who already runs EX4300 hardware. Buyers choose it to add redundancy or replace a failed unit, and the main thing to get right is airflow direction against the existing fans.
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Lowest price we've seen: $456.99 on Nov 11 at NetworkEquipment.net. Tracked across 3 stores since Nov 11.
Owner feedback on this PSU is thin and mostly comes from data center operators running EX4300 stacks. Those who bought it as a spare or replacement report it drops in and powers up without issues, and the common caution is ordering the correct airflow variant.
This is an AC power supply for Juniper EX4300 Series switches. It is rated at 1100 watts.
It is the side airflow exhaust (AFO) version, with the model number JPSU-1100-AC-AFO.