Hardware Spec Index

Caldera PW-6276 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW6276-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index1,623 (Power Supplies scale)
Category rank#19,850
Street price$129
Power850 W (rated)
Performance per dollar12.58
Released2024

Specifications

BrandCaldera
ModelCaldera PW-6276 Ultra
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
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-2750 Prime 750W 80 PLUS Gold ATX 3.1 Power Supply1,254$59Compare
Novexa PW-1709 Prime 650W 80 PLUS Gold ATX 3.0 Power Supply1,257$79Compare
Vantrel PW-4172 Plus 550W 80 PLUS Bronze ATX Power Supply831$39Compare
Teralux PW-6276 Edge 750W 80 PLUS Gold ATX 3.0 Power Supply1,413$99Compare
Teralux PW-8825 Ti 1600W 80 PLUS Platinum ATX 3.0 Power Supply2,974$399Compare
Caldera PW-6159 SE 1300W 80 PLUS Titanium ATX Power Supply2,895$349Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6276 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/33708876 (accessed 2026-10-25).