Hardware Spec Index

Caldera PW-8303 Pro 1200W 80 PLUS Titanium ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW8303-PRO · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index2,485 (Power Supplies scale)
Category rank#45,503
Street price$269
Power1200 W (rated)
Performance per dollar9.24
Released2025

Specifications

BrandCaldera
ModelCaldera PW-8303 Pro
Rated output1,200 W continuous
Efficiency80 PLUS Titanium (94% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-4388 SE 1000W 80 PLUS Gold ATX 3.1 Power Supply1,772$129Compare
Vantrel PW-6865 Ultra 750W 80 PLUS Gold ATX 3.1 Power Supply1,071$49Compare
Caldera PW-6464 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,817$139Compare
Teralux PW-5646 Ultra 650W 80 PLUS Bronze ATX 3.0 Power Supply846$39Compare
Teralux PW-7340 Plus 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,138$199Compare
Vantrel PW-3503 Ultra 1300W 80 PLUS Titanium ATX Power Supply2,644$279Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8303 Pro 1200W 80 PLUS Titanium ATX 3.1 Power Supply”, https://vextor7.com/item/99869638 (accessed 2026-10-20).