Hardware Spec Index

Caldera PW-8800 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW8800-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index946 (Power Supplies scale)
Category rank#33,806
Street price$49
Power550 W (rated)
Performance per dollar19.31
Released2026

Specifications

BrandCaldera
ModelCaldera PW-8800 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
ModularitySemi-modular
Fan120 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
Caldera PW-7948 Ti 750W 80 PLUS Gold ATX 3.1 Power Supply1,281$79Compare
Novexa PW-4906 Max 1000W 80 PLUS Gold ATX 3.1 Power Supply2,294$209Compare
Vantrel PW-3160 Max 1000W 80 PLUS Gold ATX Power Supply2,525$249Compare
Teralux PW-1397 Edge 650W 80 PLUS Gold ATX 3.1 Power Supply1,371$89Compare
Vantrel PW-2330 Prime 750W 80 PLUS Gold ATX Power Supply1,640$99Compare
Novexa PW-9058 Core 1000W 80 PLUS Gold SFX Power Supply1,782$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8800 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/1622296 (accessed 2026-10-22).