Hardware Spec Index

Caldera PW-4976 Edge 1200W 80 PLUS Platinum ATX Power Supply

Power Supplies · Caldera · SKU PW4976-EDGE · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index2,617 (Power Supplies scale)
Category rank#30,663
Street price$309
Power1200 W (rated)
Performance per dollar8.47
Released2020

Specifications

BrandCaldera
ModelCaldera PW-4976 Edge
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-5156 XT 750W 80 PLUS Gold ATX 3.0 Power Supply1,151$69Compare
Novexa PW-9220 Core 850W 80 PLUS Gold ATX 3.0 Power Supply1,713$129Compare
Teralux PW-1090 Prime 1300W 80 PLUS Titanium ATX Power Supply2,689$379Compare
Zephyra PW-2979 Edge 650W 80 PLUS Gold ATX 3.1 Power Supply894$39Compare
Vantrel PW-4378 XT 1000W 80 PLUS Gold SFX Power Supply1,966$149Compare
Zephyra PW-4215 Ultra 850W 80 PLUS Gold ATX 3.0 Power Supply1,717$139Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4976 Edge 1200W 80 PLUS Platinum ATX Power Supply”, https://vextor7.com/item/96560182 (accessed 2026-10-23).