Hardware Spec Index

Zephyra PW-5843 XT 1200W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW5843-XT · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index2,462 (Power Supplies scale)
Category rank#22,396
Street price$329
Power1200 W (rated)
Performance per dollar7.48
Released2026

Specifications

BrandZephyra
ModelZephyra PW-5843 XT
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 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
Zephyra PW-4871 Pro 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,820$399Compare
Novexa PW-3765 Plus 1300W 80 PLUS Titanium ATX 3.0 Power Supply2,389$249Compare
Zephyra PW-5720 Ti 1200W 80 PLUS Titanium ATX Power Supply2,814$359Compare
Caldera PW-3990 Max 550W 80 PLUS Gold ATX Power Supply793$39Compare
Caldera PW-2482 Plus 850W 80 PLUS Gold ATX 3.1 Power Supply1,574$119Compare
Vantrel PW-3010 Prime 850W 80 PLUS Gold SFX Power Supply1,234$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-5843 XT 1200W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/91496465 (accessed 2026-10-23).