Hardware Spec Index

Caldera PW-2841 XT 650W 80 PLUS Gold SFX Power Supply

Power Supplies · Caldera · SKU PW2841-XT · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index1,305 (Power Supplies scale)
Category rank#27,242
Street price$79
Power650 W (rated)
Performance per dollar16.52
Released2023

Specifications

BrandCaldera
ModelCaldera PW-2841 XT
Rated output650 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin1×
Form factorSFX-L
ModularityFully 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
Teralux PW-5761 Plus 850W 80 PLUS Gold ATX 3.0 Power Supply1,813$139Compare
Novexa PW-3443 Pro 550W 80 PLUS Gold ATX Power Supply868$39Compare
Vantrel PW-6796 Core 850W 80 PLUS Gold ATX Power Supply1,735$109Compare
Caldera PW-4725 Prime 1000W 80 PLUS Gold SFX Power Supply2,081$209Compare
Novexa PW-2957 XT 650W 80 PLUS Bronze SFX Power Supply845$39Compare
Teralux PW-3666 Prime 1200W 80 PLUS Titanium ATX 3.0 Power Supply2,306$239Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2841 XT 650W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/19953340 (accessed 2026-10-21).