Hardware Spec Index

Caldera PW-4991 SE 1000W 80 PLUS Gold SFX Power Supply

Power Supplies · Caldera · SKU PW4991-SE · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,726 (Power Supplies scale)
Category rank#19,332
Street price$129
Power1000 W (rated)
Performance per dollar13.38
Released2025

Specifications

BrandCaldera
ModelCaldera PW-4991 SE
Rated output1,000 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorSFX-L
ModularityFully modular
Fan120 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
Caldera PW-1083 Ultra 1300W 80 PLUS Titanium ATX Power Supply2,737$379Compare
Zephyra PW-7081 SE 750W 80 PLUS Gold ATX Power Supply1,208$69Compare
Teralux PW-9020 XT 850W 80 PLUS Gold ATX 3.1 Power Supply1,842$169Compare
Teralux PW-3374 Ultra 850W 80 PLUS Bronze SFX Power Supply1,374$79Compare
Teralux PW-7634 Plus 1000W 80 PLUS Platinum ATX 3.1 Power Supply2,236$189Compare
Vantrel PW-1542 Core 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,610$299Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4991 SE 1000W 80 PLUS Gold SFX Power Supply”, https://vextor7.com/item/5583697 (accessed 2026-10-21).