Hardware Spec Index

Caldera PW-1102 Pro 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW1102-PRO · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index774 (Power Supplies scale)
Category rank#18,334
Street price$39
Power550 W (rated)
Performance per dollar19.85
Released2020

Specifications

BrandCaldera
ModelCaldera PW-1102 Pro
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan120 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
Novexa PW-3298 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply1,898$159Compare
Caldera PW-4526 Prime 550W 80 PLUS Gold ATX 3.1 Power Supply1,058$59Compare
Zephyra PW-6936 Core 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,400$299Compare
Zephyra PW-8100 Ultra 650W 80 PLUS Bronze ATX Power Supply955$49Compare
Novexa PW-9118 XT 1000W 80 PLUS Gold SFX Power Supply1,853$179Compare
Zephyra PW-1968 Ti 750W 80 PLUS Gold SFX Power Supply1,059$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1102 Pro 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/3737071 (accessed 2026-10-25).