Hardware Spec Index

Caldera PW-2311 XT 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW2311-XT · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index1,334 (Power Supplies scale)
Category rank#46,790
Street price$79
Power850 W (rated)
Performance per dollar16.89
Released2025

Specifications

BrandCaldera
ModelCaldera PW-2311 XT
Rated output850 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-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-9729 XT 1000W 80 PLUS Gold SFX Power Supply2,154$219Compare
Vantrel PW-1928 Ultra 650W 80 PLUS Bronze ATX 3.0 Power Supply823$39Compare
Novexa PW-6375 SE 550W 80 PLUS Bronze ATX Power Supply860$39Compare
Vantrel PW-7606 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply1,699$119Compare
Vantrel PW-5477 Prime 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,305$209Compare
Novexa PW-5654 Edge 550W 80 PLUS Bronze ATX Power Supply726$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2311 XT 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/31666818 (accessed 2026-10-24).