Hardware Spec Index

Caldera PW-2059 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW2059-XT · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index793 (Power Supplies scale)
Category rank#25,160
Street price$39
Power550 W (rated)
Performance per dollar20.33
Released2025

Specifications

BrandCaldera
ModelCaldera PW-2059 XT
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
Zephyra PW-6625 Ultra 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,974$169Compare
Novexa PW-4911 Plus 650W 80 PLUS Bronze ATX 3.1 Power Supply896$49Compare
Caldera PW-7645 Ti 750W 80 PLUS Gold ATX 3.0 Power Supply1,626$109Compare
Zephyra PW-2001 Pro 1000W 80 PLUS Gold SFX Power Supply1,851$159Compare
Vantrel PW-5643 Prime 650W 80 PLUS Gold ATX 3.0 Power Supply811$39Compare
Vantrel PW-2625 SE 1000W 80 PLUS Platinum ATX Power Supply2,311$229Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2059 XT 550W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/70954 (accessed 2026-10-19).