Hardware Spec Index

Caldera PW-3887 Prime 750W 80 PLUS Bronze ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW3887-PRIME · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index1,272 (Power Supplies scale)
Category rank#15,169
Street price$89
Power750 W (rated)
Performance per dollar14.29
Released2026

Specifications

BrandCaldera
ModelCaldera PW-3887 Prime
Rated output750 W continuous
Efficiency80 PLUS Bronze (85% at 50% load, 115 V)
StandardATX 3.1 / PCIe CEM 5.1
GPU power1× 12V-2x6 (600 W)
PCIe 8-pin2×
Form factorATX
ModularitySemi-modular
Fan140 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 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
Zephyra PW-8660 Edge 750W 80 PLUS Gold ATX Power Supply1,522$99Compare
Zephyra PW-4869 Ultra 750W 80 PLUS Gold ATX Power Supply1,257$69Compare
Novexa PW-7920 Core 1200W 80 PLUS Gold ATX 3.0 Power Supply2,487$279Compare
Novexa PW-1470 SE 750W 80 PLUS Bronze ATX Power Supply1,418$79Compare
Teralux PW-2539 Plus 1000W 80 PLUS Gold ATX 3.1 Power Supply1,809$129Compare
Teralux PW-6230 SE 850W 80 PLUS Bronze ATX 3.1 Power Supply1,217$69Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-3887 Prime 750W 80 PLUS Bronze ATX 3.1 Power Supply”, https://vextor7.com/item/96431967 (accessed 2026-10-24).