Hardware Spec Index

Caldera PW-8556 Core 650W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW8556-CORE · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index1,358 (Power Supplies scale)
Category rank#33,769
Street price$79
Power650 W (rated)
Performance per dollar17.19
Released2020

Specifications

BrandCaldera
ModelCaldera PW-8556 Core
Rated output650 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-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
Vantrel PW-8215 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply2,396$249Compare
Vantrel PW-9310 XT 750W 80 PLUS Gold ATX 3.1 Power Supply1,330$69Compare
Caldera PW-6873 Edge 1000W 80 PLUS Platinum SFX Power Supply2,261$209Compare
Caldera PW-3383 Ti 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,248$269Compare
Caldera PW-6709 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,867$149Compare
Zephyra PW-8341 Plus 550W 80 PLUS Bronze ATX 3.0 Power Supply725$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8556 Core 650W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/911681 (accessed 2026-10-19).