Hardware Spec Index

Caldera PW-1878 Ultra 750W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1878-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,602 (Power Supplies scale)
Category rank#16,703
Street price$119
Power750 W (rated)
Performance per dollar13.46
Released2024

Specifications

BrandCaldera
ModelCaldera PW-1878 Ultra
Rated output750 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
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-1499 Edge 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,097$199Compare
Caldera PW-1857 XT 850W 80 PLUS Gold SFX Power Supply1,734$129Compare
Caldera PW-8800 XT 850W 80 PLUS Gold ATX Power Supply2,101$199Compare
Zephyra PW-3325 XT 1600W 80 PLUS Titanium ATX Power Supply2,980$369Compare
Novexa PW-5404 Ultra 850W 80 PLUS Platinum ATX 3.1 Power Supply1,963$149Compare
Vantrel PW-6771 Pro 1300W 80 PLUS Platinum ATX Power Supply2,643$309Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1878 Ultra 750W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/3972166 (accessed 2026-10-19).