Hardware Spec Index

Novexa PW-6637 Max 550W 80 PLUS Gold ATX Power Supply

Power Supplies · Novexa · SKU PW6637-MAX · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index839 (Power Supplies scale)
Category rank#985
Street price$39
Power550 W (rated)
Performance per dollar21.51
Released2021

Specifications

BrandNovexa
ModelNovexa PW-6637 Max
Rated output550 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin2×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty7 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-8875 Ultra 550W 80 PLUS Bronze ATX 3.1 Power Supply810$39Compare
Vantrel PW-9360 Edge 750W 80 PLUS Gold ATX Power Supply1,102$59Compare
Zephyra PW-6506 Plus 850W 80 PLUS Gold ATX Power Supply1,615$109Compare
Caldera PW-6621 XT 1000W 80 PLUS Gold ATX 3.0 Power Supply2,038$199Compare
Caldera PW-2654 Max 850W 80 PLUS Bronze ATX 3.1 Power Supply1,438$79Compare
Novexa PW-9051 Prime 850W 80 PLUS Gold SFX Power Supply1,590$119Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Novexa PW-6637 Max 550W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/92715763 (accessed 2026-10-25).