Hardware Spec Index

Caldera PW-2221 Pro 1200W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW2221-PRO · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index2,077 (Power Supplies scale)
Category rank#21,730
Street price$199
Power1200 W (rated)
Performance per dollar10.44
Released2022

Specifications

BrandCaldera
ModelCaldera PW-2221 Pro
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (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
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Teralux PW-2518 Ultra 650W 80 PLUS Bronze SFX Power Supply998$49Compare
Novexa PW-4576 Prime 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,928$379Compare
Novexa PW-7332 Max 750W 80 PLUS Gold ATX 3.1 Power Supply1,234$69Compare
Vantrel PW-6762 Ti 1300W 80 PLUS Platinum ATX Power Supply2,497$309Compare
Zephyra PW-4645 Plus 850W 80 PLUS Platinum ATX Power Supply2,011$169Compare
Teralux PW-5538 Pro 1300W 80 PLUS Gold ATX Power Supply2,371$229Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2221 Pro 1200W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/1380957 (accessed 2026-10-25).