Hardware Spec Index

Caldera PW-2303 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW2303-PRO · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index1,813 (Power Supplies scale)
Category rank#3,386
Street price$139
Power1000 W (rated)
Performance per dollar13.04
Released2026

Specifications

BrandCaldera
ModelCaldera PW-2303 Pro
Rated output1,000 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-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-5955 Pro 850W 80 PLUS Gold ATX 3.0 Power Supply1,517$119Compare
Vantrel PW-2391 Pro 1300W 80 PLUS Gold ATX 3.1 Power Supply2,476$289Compare
Novexa PW-5852 Plus 850W 80 PLUS Gold SFX Power Supply1,866$169Compare
Caldera PW-3111 Ultra 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,685$339Compare
Novexa PW-4625 Plus 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,655$289Compare
Vantrel PW-8706 Pro 850W 80 PLUS Gold ATX Power Supply1,664$129Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2303 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/60008282 (accessed 2026-10-20).