Hardware Spec Index

Caldera PW-6621 Plus 850W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW6621-PLUS · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,465 (Power Supplies scale)
Category rank#6,924
Street price$89
Power850 W (rated)
Performance per dollar16.46
Released2020

Specifications

BrandCaldera
ModelCaldera PW-6621 Plus
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularitySemi-modular
Fan120 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
Teralux PW-9349 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,377$89Compare
Novexa PW-6815 Edge 650W 80 PLUS Bronze ATX 3.0 Power Supply1,099$49Compare
Vantrel PW-5555 Core 1300W 80 PLUS Platinum ATX Power Supply2,343$269Compare
Vantrel PW-3151 SE 850W 80 PLUS Gold SFX Power Supply1,469$79Compare
Vantrel PW-7380 XT 1000W 80 PLUS Gold ATX Power Supply1,697$119Compare
Teralux PW-9437 Ultra 850W 80 PLUS Platinum ATX 3.0 Power Supply1,789$149Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6621 Plus 850W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/46564433 (accessed 2026-10-24).