Hardware Spec Index

Caldera PW-9651 Plus 550W 80 PLUS Bronze ATX Power Supply

Power Supplies · Caldera · SKU PW9651-PLUS · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index749 (Power Supplies scale)
Category rank#46,477
Street price$39
Power550 W (rated)
Performance per dollar19.21
Released2020

Specifications

BrandCaldera
ModelCaldera PW-9651 Plus
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
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Novexa PW-3772 SE 1200W 80 PLUS Platinum ATX 3.0 Power Supply2,483$289Compare
Novexa PW-8835 Prime 650W 80 PLUS Bronze ATX Power Supply1,232$69Compare
Teralux PW-2865 XT 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,405$229Compare
Caldera PW-2986 Prime 1000W 80 PLUS Gold ATX 3.0 Power Supply2,109$169Compare
Teralux PW-2383 XT 850W 80 PLUS Gold SFX Power Supply1,998$159Compare
Teralux PW-1701 Pro 650W 80 PLUS Bronze ATX 3.0 Power Supply1,180$59Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-9651 Plus 550W 80 PLUS Bronze ATX Power Supply”, https://vextor7.com/item/4551470 (accessed 2026-10-23).