Hardware Spec Index

Caldera PW-5321 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW5321-PRO · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,370 (Power Supplies scale)
Category rank#477
Street price$89
Power850 W (rated)
Performance per dollar15.39
Released2024

Specifications

BrandCaldera
ModelCaldera PW-5321 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 factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-6286 Plus 1600W 80 PLUS Titanium ATX Power Supply2,755$339Compare
Vantrel PW-4367 Max 650W 80 PLUS Gold SFX Power Supply1,266$69Compare
Caldera PW-6964 Prime 850W 80 PLUS Gold ATX 3.1 Power Supply1,642$119Compare
Novexa PW-2514 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply1,733$129Compare
Caldera PW-9977 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply1,800$129Compare
Novexa PW-3019 Core 650W 80 PLUS Gold ATX Power Supply1,066$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-5321 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/8252018 (accessed 2026-10-19).