Hardware Spec Index

Caldera PW-9521 Edge 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW9521-EDGE · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,939 (Power Supplies scale)
Category rank#32,232
Street price$179
Power850 W (rated)
Performance per dollar10.83
Released2021

Specifications

BrandCaldera
ModelCaldera PW-9521 Edge
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
Fan135 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-5331 Edge 1000W 80 PLUS Gold ATX 3.0 Power Supply1,787$159Compare
Zephyra PW-4060 Max 850W 80 PLUS Platinum ATX Power Supply1,972$179Compare
Caldera PW-7277 Plus 1300W 80 PLUS Titanium ATX Power Supply2,826$369Compare
Teralux PW-3571 SE 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,813$349Compare
Vantrel PW-4107 Plus 1200W 80 PLUS Titanium ATX Power Supply2,500$279Compare
Teralux PW-4312 Ultra 550W 80 PLUS Bronze ATX Power Supply797$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-9521 Edge 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/21829767 (accessed 2026-10-25).