Hardware Spec Index

Caldera PW-4858 Core 1000W 80 PLUS Platinum ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW4858-CORE · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index2,183 (Power Supplies scale)
Category rank#10,364
Street price$239
Power1000 W (rated)
Performance per dollar9.13
Released2025

Specifications

BrandCaldera
ModelCaldera PW-4858 Core
Rated output1,000 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
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

Similar Power Supplies

ModelBenchmarkPriceCompare
Zephyra PW-3448 Prime 1600W 80 PLUS Titanium ATX 3.1 Power Supply2,499$259Compare
Novexa PW-3477 SE 1600W 80 PLUS Titanium ATX Power Supply2,822$379Compare
Zephyra PW-8822 Plus 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,839$329Compare
Zephyra PW-2044 Max 850W 80 PLUS Bronze ATX 3.1 Power Supply1,435$89Compare
Zephyra PW-2775 Ultra 550W 80 PLUS Gold ATX 3.1 Power Supply1,134$69Compare
Vantrel PW-2755 SE 850W 80 PLUS Gold ATX 3.1 Power Supply1,810$159Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4858 Core 1000W 80 PLUS Platinum ATX 3.1 Power Supply”, https://vextor7.com/item/1679967 (accessed 2026-10-24).