Hardware Spec Index

Caldera PW-7903 Pro 1200W 80 PLUS Platinum ATX Power Supply

Power Supplies · Caldera · SKU PW7903-PRO · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index2,397 (Power Supplies scale)
Category rank#12,450
Street price$279
Power1200 W (rated)
Performance per dollar8.59
Released2019

Specifications

BrandCaldera
ModelCaldera PW-7903 Pro
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
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Vantrel PW-9588 Max 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,739$309Compare
Novexa PW-3693 Pro 850W 80 PLUS Gold ATX Power Supply1,460$89Compare
Teralux PW-5550 XT 1600W 80 PLUS Platinum ATX Power Supply2,832$379Compare
Vantrel PW-2351 Plus 1300W 80 PLUS Gold ATX Power Supply2,518$269Compare
Caldera PW-2351 Core 850W 80 PLUS Bronze ATX Power Supply1,309$69Compare
Novexa PW-9120 Prime 650W 80 PLUS Gold ATX 3.0 Power Supply1,346$79Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-7903 Pro 1200W 80 PLUS Platinum ATX Power Supply”, https://vextor7.com/item/1088549 (accessed 2026-10-21).