Hardware Spec Index

Caldera PW-8552 Prime 650W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW8552-PRIME · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,257 (Power Supplies scale)
Category rank#12,894
Street price$69
Power650 W (rated)
Performance per dollar18.22
Released2020

Specifications

BrandCaldera
ModelCaldera PW-8552 Prime
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Vantrel PW-4059 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply1,681$109Compare
Teralux PW-8805 Edge 850W 80 PLUS Gold ATX 3.1 Power Supply1,623$109Compare
Zephyra PW-2610 XT 1200W 80 PLUS Gold ATX 3.1 Power Supply2,140$199Compare
Vantrel PW-2789 Edge 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,376$269Compare
Vantrel PW-2916 Edge 550W 80 PLUS Gold ATX Power Supply1,090$59Compare
Caldera PW-1267 Edge 550W 80 PLUS Gold ATX 3.1 Power Supply1,193$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8552 Prime 650W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/6733689 (accessed 2026-10-24).