Hardware Spec Index

Caldera PW-4812 Ultra 1200W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW4812-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index2,261 (Power Supplies scale)
Category rank#41,587
Street price$239
Power1200 W (rated)
Performance per dollar9.46
Released2024

Specifications

BrandCaldera
ModelCaldera PW-4812 Ultra
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Caldera PW-5086 Max 850W 80 PLUS Gold ATX 3.1 Power Supply1,397$99Compare
Caldera PW-7572 Pro 850W 80 PLUS Gold ATX Power Supply1,542$109Compare
Zephyra PW-7701 Ti 1200W 80 PLUS Titanium ATX Power Supply2,416$239Compare
Vantrel PW-6977 Max 650W 80 PLUS Bronze ATX 3.1 Power Supply748$39Compare
Vantrel PW-5309 Max 850W 80 PLUS Gold ATX 3.0 Power Supply2,072$169Compare
Teralux PW-6955 Prime 550W 80 PLUS Bronze SFX Power Supply972$49Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4812 Ultra 1200W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/7323966 (accessed 2026-10-20).