Quick Answer
For LAN party preparation, the power supply buying order is: must-have a reliable 650-750W 80+ Gold unit sized to your GPU, nice-to-have full modularity for easy transport, skip cheap no-name units. A modular Corsair RM750e (around R1,900) powers a LAN rig reliably and packs cleanly for travel.
Must-have, nice-to-have, skip for a LAN rig
Must-have: a reliable, correctly-sized PSU, since a LAN is the worst place for a power failure. A 650-750W 80+ Gold unit covers most LAN builds (650W for an RTX 4060/4070, 750W with room to grow), with proper protection circuitry. Nice-to-have: full modularity, which lets you remove unused cables for a tidy build that packs and transports cleanly, and a quieter unit for a crowded hall. Skip: cheap no-name PSUs, which risk the whole rig at an event where you cannot easily swap parts. A LAN demands reliability above all, so the PSU is not the place to cut corners before an event.
Reliability and transport for events
A LAN build travels and runs hard, so reliability and packing matter. A quality 80+ Gold unit from a known brand with a long warranty is far less likely to fail at an event than a budget one, protecting both your rig and your day. Full modularity means you fit only the cables your build needs (24-pin, CPU, one PCIe for a single GPU), leaving a clean interior that survives transport without loose cables snagging. Size the unit with a little headroom so it runs cool and quiet in a packed hall. Test the rig before the event rather than discovering a PSU problem on the day. For a LAN, a reliable, modular, correctly-sized PSU is the foundation that keeps your build running through a long event.
FAQ
What PSU wattage for a LAN gaming build?
650-750W 80+ Gold covers most LAN builds, 650W for an RTX 4060/4070 and 750W with room to grow. Size with a little headroom so the unit runs cool and quiet through a long event in a crowded hall.
Is a modular PSU better for a LAN build?
Yes, for transport. Full modularity lets you fit only the cables your build needs, leaving a clean interior that packs and travels without loose cables snagging. It also improves airflow, helping the rig stay cool at a packed event.
Why not use a cheap PSU for a LAN rig?
Because a LAN is the worst place for a power failure, and you cannot easily swap parts on the day. A cheap no-name unit risks the whole rig, so a reliable 80+ Gold PSU from a known brand is essential for event reliability.
title="Power the rig that has to work", body="For a LAN, a reliable, modular 650-750W 80+ Gold unit powers your build and packs cleanly for transport. Browse power supplies stocked at Evetech sized for LAN rigs that have to run all day without a hitch."