Hardware Spec Index

Caldera PW-2807 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW2807-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index698 (Power Supplies scale)
Category rank#7,296
Street price$39
Power550 W (rated)
Performance per dollar17.90
Released2025

Specifications

BrandCaldera
ModelCaldera PW-2807 Ultra
Rated output550 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityNon-modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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-9408 XT 850W 80 PLUS Gold ATX 3.0 Power Supply1,876$149Compare
Caldera PW-9969 XT 550W 80 PLUS Bronze ATX Power Supply863$49Compare
Caldera PW-8502 Edge 650W 80 PLUS Gold ATX 3.0 Power Supply881$39Compare
Vantrel PW-9508 SE 1000W 80 PLUS Gold ATX 3.0 Power Supply1,847$169Compare
Caldera PW-2508 SE 850W 80 PLUS Gold ATX 3.0 Power Supply1,611$119Compare
Caldera PW-3733 Core 550W 80 PLUS Bronze ATX Power Supply943$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2807 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/99347960 (accessed 2026-10-26).