Hardware Spec Index

Caldera PW-3903 Max 1000W 80 PLUS Platinum SFX Power Supply

Power Supplies · Caldera · SKU PW3903-MAX · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,875 (Power Supplies scale)
Category rank#23,501
Street price$169
Power1000 W (rated)
Performance per dollar11.09
Released2019

Specifications

BrandCaldera
ModelCaldera PW-3903 Max
Rated output1,000 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorSFX-L
ModularityFully modular
Fan120 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
Zephyra PW-6600 XT 650W 80 PLUS Gold ATX 3.1 Power Supply1,040$59Compare
Zephyra PW-1498 Edge 1000W 80 PLUS Platinum ATX Power Supply1,825$169Compare
Novexa PW-2569 Ti 850W 80 PLUS Gold ATX 3.1 Power Supply1,700$129Compare
Caldera PW-7827 XT 1000W 80 PLUS Gold ATX Power Supply2,456$269Compare
Vantrel PW-9243 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply2,036$179Compare
Novexa PW-2121 Pro 850W 80 PLUS Gold ATX 3.1 Power Supply1,474$89Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3903 Max 1000W 80 PLUS Platinum SFX Power Supply”, https://vextor7.com/item/6207966 (accessed 2026-10-21).