Hardware Spec Index

Caldera PW-5423 Prime 1000W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW5423-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index2,208 (Power Supplies scale)
Category rank#41,205
Street price$239
Power1000 W (rated)
Performance per dollar9.24
Released2019

Specifications

BrandCaldera
ModelCaldera PW-5423 Prime
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Vantrel PW-6758 SE 850W 80 PLUS Gold ATX Power Supply1,485$79Compare
Zephyra PW-2006 Pro 750W 80 PLUS Bronze SFX Power Supply1,009$49Compare
Zephyra PW-6407 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,564$129Compare
Novexa PW-7751 Edge 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,591$309Compare
Caldera PW-9494 Core 850W 80 PLUS Gold SFX Power Supply1,696$129Compare
Novexa PW-2069 Plus 550W 80 PLUS Bronze ATX 3.1 Power Supply823$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5423 Prime 1000W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/9105727 (accessed 2026-10-21).