Hardware Spec Index

Zephyra PW-2987 Prime 850W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Zephyra · SKU PW2987-PRIME · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index1,899 (Power Supplies scale)
Category rank#27,929
Street price$139
Power850 W (rated)
Performance per dollar13.66
Released2026

Specifications

BrandZephyra
ModelZephyra PW-2987 Prime
Rated output850 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-pin2×
Form factorATX
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-4060 Core 850W 80 PLUS Gold ATX Power Supply1,564$99Compare
Zephyra PW-3986 XT 1000W 80 PLUS Platinum ATX Power Supply2,023$189Compare
Caldera PW-9341 Edge 850W 80 PLUS Bronze ATX 3.1 Power Supply1,310$89Compare
Caldera PW-6262 SE 850W 80 PLUS Gold ATX Power Supply1,696$139Compare
Teralux PW-9290 Pro 1000W 80 PLUS Gold ATX 3.1 Power Supply2,452$299Compare
Novexa PW-7850 Core 750W 80 PLUS Gold SFX Power Supply1,626$109Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Zephyra PW-2987 Prime 850W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/32453 (accessed 2026-10-19).