Hardware Spec Index

Caldera PW-7121 Pro 850W 80 PLUS Gold SFX Power Supply

Power Supplies · Caldera · SKU PW7121-PRO · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index1,409 (Power Supplies scale)
Category rank#45,579
Street price$89
Power850 W (rated)
Performance per dollar15.83
Released2025

Specifications

BrandCaldera
ModelCaldera PW-7121 Pro
Rated output850 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-pin2×
Form factorSFX-L
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Novexa PW-2756 Core 550W 80 PLUS Bronze SFX Power Supply800$39Compare
Caldera PW-6460 Edge 650W 80 PLUS Gold ATX 3.0 Power Supply1,275$59Compare
Novexa PW-8425 Ti 1000W 80 PLUS Gold ATX 3.0 Power Supply2,344$249Compare
Caldera PW-6104 Prime 1000W 80 PLUS Titanium SFX Power Supply2,124$199Compare
Novexa PW-5333 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply2,182$189Compare
Novexa PW-3522 Plus 750W 80 PLUS Bronze ATX 3.1 Power Supply1,257$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7121 Pro 850W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/79483729 (accessed 2026-10-22).