Hardware Spec Index

Zephyra PW-4545 Ultra 1000W 80 PLUS Titanium SFX Power Supply

Power Supplies · Zephyra · SKU PW4545-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index2,359 (Power Supplies scale)
Category rank#49,877
Street price$229
Power1000 W (rated)
Performance per dollar10.30
Released2023

Specifications

BrandZephyra
ModelZephyra PW-4545 Ultra
Rated output1,000 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-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
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-4545 Ultra 1000W 80 PLUS Titanium SFX Power Supply”, https://vextor7.com/item/1539940 (accessed 2026-10-22).