Hardware Spec Index

Caldera PW-8923 Ultra 1000W 80 PLUS Platinum ATX 3.0 Power Supply

Power Supplies · Caldera · SKU PW8923-ULTRA · Released 2022 · Updated 2026-10-18

Key facts

Benchmark index1,903 (Power Supplies scale)
Category rank#12,466
Street price$189
Power1000 W (rated)
Performance per dollar10.07
Released2022

Specifications

BrandCaldera
ModelCaldera PW-8923 Ultra
Rated output1,000 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 3.0 / PCIe CEM 5.0
GPU power1× 12VHPWR (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
Warranty7 years

Related guides

80 PLUS Efficiency Ratings ExplainedATX 3.1 Power Supplies and the 12V-2x6 Connector

Similar Power Supplies

ModelBenchmarkPriceCompare
Vantrel PW-3270 Ultra 1600W 80 PLUS Titanium ATX 3.0 Power Supply2,980$389Compare
Novexa PW-6420 Plus 1200W 80 PLUS Titanium ATX 3.1 Power Supply2,573$279Compare
Teralux PW-7250 XT 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,754$319Compare
Caldera PW-4420 Edge 1200W 80 PLUS Titanium ATX Power Supply2,474$219Compare
Teralux PW-2943 Plus 1600W 80 PLUS Platinum ATX Power Supply2,930$399Compare
Novexa PW-8661 XT 1000W 80 PLUS Gold SFX Power Supply1,981$189Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-8923 Ultra 1000W 80 PLUS Platinum ATX 3.0 Power Supply”, https://vextor7.com/item/12379519 (accessed 2026-10-18).