KHACHIMO SS-400L1U 80 PLUS Gold 400W 1U power supply

1U Gold 400W Server Supply

The KHACHIMO SS-400L1U is a new 1U ATX power supply rated at 400 W with 80 PLUS Gold certification. It targets system builders assembling rack-mount servers, compact workstations or dense compute nodes where space and efficiency are primary concerns. Modern Standby support ensures rapid wake-from-sleep transitions for always-on workloads.

Upgrade From Lower-Rated Or Bulkier Units

Replacing a non-Gold unit or a taller supply cuts heat output and reclaims vertical chassis space, making the jump worthwhile when density or thermal headroom are limiting factors. The Resonant LLC topology with DC-to-DC conversion delivers cleaner power rails and reduces coil whine compared to older group-regulated designs. Zero RPM fan mode eliminates idle noise that lesser units cannot silence.

Fits 1U Racks With Modern Standby Boards

The 1U form factor slides into standard short-depth racks without adapter brackets, while ATX connectors serve mainstream server boards. Modern Standby compatibility frees the platform to enter deeper sleep states without losing network presence. Builders needing redundant supplies, higher wattage or non-ATX pinouts should look elsewhere.