Hardware Spec Index

Caldera PW-4542 Pro 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW4542-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,999 (Power Supplies scale)
Category rank#15,734
Street price$189
Power850 W (rated)
Performance per dollar10.58
Released2019

Specifications

BrandCaldera
ModelCaldera PW-4542 Pro
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-1028 Pro 750W 80 PLUS Gold ATX 3.0 Power Supply1,549$119Compare
Novexa PW-2006 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,661$139Compare
Zephyra PW-1276 Plus 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,652$329Compare
Novexa PW-2165 SE 650W 80 PLUS Bronze SFX Power Supply1,024$49Compare
Caldera PW-2496 Max 550W 80 PLUS Bronze ATX 3.1 Power Supply713$39Compare
Vantrel PW-6447 SE 550W 80 PLUS Gold ATX 3.1 Power Supply1,002$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4542 Pro 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/76353951 (accessed 2026-10-19).