Hardware Spec Index

Caldera PW-1908 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply

Power Supplies · Caldera · SKU PW1908-ULTRA · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index1,507 (Power Supplies scale)
Category rank#19,933
Street price$99
Power850 W (rated)
Performance per dollar15.22
Released2026

Specifications

BrandCaldera
ModelCaldera PW-1908 Ultra
Rated output850 W continuous
Efficiency80 PLUS Gold (90% 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
Fan135 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 17 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty5 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-4563 Edge 1200W 80 PLUS Gold ATX 3.0 Power Supply2,468$269Compare
Vantrel PW-3468 Plus 850W 80 PLUS Gold SFX Power Supply1,732$119Compare
Novexa PW-1421 Edge 650W 80 PLUS Bronze ATX 3.1 Power Supply1,128$59Compare
Caldera PW-3501 Edge 550W 80 PLUS Bronze ATX Power Supply766$39Compare
Vantrel PW-9241 Plus 1000W 80 PLUS Platinum ATX Power Supply2,243$209Compare
Novexa PW-5419 Pro 1300W 80 PLUS Platinum ATX 3.1 Power Supply2,680$329Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-1908 Ultra 850W 80 PLUS Gold ATX 3.1 Power Supply”, https://vextor7.com/item/888252 (accessed 2026-10-19).