Hardware Spec Index

Caldera PW-2747 Ultra 850W 80 PLUS Platinum ATX Power Supply

Power Supplies · Caldera · SKU PW2747-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,792 (Power Supplies scale)
Category rank#10,325
Street price$149
Power850 W (rated)
Performance per dollar12.03
Released2021

Specifications

BrandCaldera
ModelCaldera PW-2747 Ultra
Rated output850 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
Form factorATX
ModularityFully modular
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 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
Teralux PW-6904 Prime 1200W 80 PLUS Gold ATX 3.1 Power Supply2,440$249Compare
Caldera PW-6087 Core 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,515$299Compare
Zephyra PW-8073 Core 1000W 80 PLUS Gold ATX 3.1 Power Supply2,061$179Compare
Zephyra PW-6308 SE 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,262$219Compare
Vantrel PW-5241 XT 550W 80 PLUS Bronze ATX 3.0 Power Supply793$39Compare
Vantrel PW-3709 Ti 750W 80 PLUS Gold ATX 3.0 Power Supply1,438$99Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-2747 Ultra 850W 80 PLUS Platinum ATX Power Supply”, https://vextor7.com/item/422114 (accessed 2026-10-20).