Hardware Spec Index

Caldera PW-8770 Edge 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW8770-EDGE · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index1,104 (Power Supplies scale)
Category rank#5,486
Street price$49
Power550 W (rated)
Performance per dollar22.53
Released2019

Specifications

BrandCaldera
ModelCaldera PW-8770 Edge
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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-4374 Edge 850W 80 PLUS Gold ATX 3.0 Power Supply1,861$139Compare
Caldera PW-2331 Core 1300W 80 PLUS Platinum ATX Power Supply2,918$349Compare
Teralux PW-2486 Plus 1000W 80 PLUS Gold ATX Power Supply2,135$229Compare
Vantrel PW-1802 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply1,118$49Compare
Zephyra PW-4258 Ti 1300W 80 PLUS Platinum ATX 3.0 Power Supply2,361$259Compare
Caldera PW-7121 Plus 550W 80 PLUS Bronze SFX Power Supply844$39Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8770 Edge 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/749394 (accessed 2026-10-23).