Hardware Spec Index

Caldera PW-8770 Prime 850W 80 PLUS Bronze ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW8770-PRIME · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,240 (Power Supplies scale)
Category rank#33,870
Street price$69
Power850 W (rated)
Performance per dollar17.97
Released2022

Specifications

BrandCaldera
ModelCaldera PW-8770 Prime
Rated output850 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin2×
Form factorATX
ModularityNon-modular
Fan120 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
Vantrel PW-5148 Core 1000W 80 PLUS Platinum ATX Power Supply1,980$189Compare
Vantrel PW-4583 Max 1000W 80 PLUS Gold SFX Power Supply2,020$219Compare
Zephyra PW-7954 Ti 850W 80 PLUS Gold ATX Power Supply1,222$69Compare
Zephyra PW-5764 Pro 1200W 80 PLUS Gold ATX Power Supply2,365$239Compare
Novexa PW-6616 Ti 850W 80 PLUS Gold ATX Power Supply1,495$109Compare
Teralux PW-2840 Prime 650W 80 PLUS Gold ATX Power Supply1,212$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8770 Prime 850W 80 PLUS Bronze ATX 3.0 Power Supply”, https://vextor7.com/item/83352803 (accessed 2026-10-21).