Hardware Spec Index

Zephyra PW-3553 Ultra 1600W 80 PLUS Titanium ATX 3.0 Power Supply

Power Supplies · Zephyra · SKU PW3553-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index2,766 (Power Supplies scale)
Category rank#17,977
Street price$379
Power1600 W (rated)
Performance per dollar7.30
Released2023

Specifications

BrandZephyra
ModelZephyra PW-3553 Ultra
Rated output1,600 W continuous
Efficiency80 PLUS Titanium (94% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (600 W)
PCIe 8-pin5×
Form factorATX
ModularityFully modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty12 years

Related guides

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

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Cite this page: Hardware Spec Index, “Zephyra PW-3553 Ultra 1600W 80 PLUS Titanium ATX 3.0 Power Supply”, https://vextor7.com/item/9872172 (accessed 2026-10-24).