Hardware Spec Index

Caldera PW-5303 SE 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW5303-SE · Released 2026 · Updated 2026-10-18

Key facts

Benchmark index1,194 (Power Supplies scale)
Category rank#9,301
Street price$59
Power850 W (rated)
Performance per dollar20.24
Released2026

Specifications

BrandCaldera
ModelCaldera PW-5303 SE
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-5810 Pro 550W 80 PLUS Bronze ATX Power Supply886$49Compare
Zephyra PW-5007 XT 1200W 80 PLUS Titanium ATX Power Supply2,670$339Compare
Novexa PW-9750 SE 1200W 80 PLUS Gold ATX Power Supply2,197$199Compare
Zephyra PW-7132 XT 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,962$319Compare
Vantrel PW-7250 SE 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,751$369Compare
Vantrel PW-4392 Prime 850W 80 PLUS Gold ATX Power Supply1,837$169Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5303 SE 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/495334 (accessed 2026-10-18).