Hardware Spec Index

Caldera PW-2539 XT 650W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW2539-XT · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index1,031 (Power Supplies scale)
Category rank#11,512
Street price$49
Power650 W (rated)
Performance per dollar21.04
Released2025

Specifications

BrandCaldera
ModelCaldera PW-2539 XT
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin1×
Form factorATX
ModularityFully modular
Fan140 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-6910 SE 650W 80 PLUS Bronze ATX 3.1 Power Supply1,034$49Compare
Caldera PW-3898 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply2,188$219Compare
Vantrel PW-9714 XT 850W 80 PLUS Gold SFX Power Supply2,106$179Compare
Teralux PW-1326 Core 1300W 80 PLUS Titanium ATX Power Supply2,669$309Compare
Caldera PW-1211 Prime 550W 80 PLUS Bronze ATX 3.1 Power Supply899$39Compare
Teralux PW-4868 Max 1000W 80 PLUS Gold SFX Power Supply2,215$219Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2539 XT 650W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/24379141 (accessed 2026-10-26).