Hardware Spec Index

Caldera PW-4944 Prime 1000W 80 PLUS Titanium ATX Power Supply

Power Supplies · Caldera · SKU PW4944-PRIME · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index2,529 (Power Supplies scale)
Category rank#37,568
Street price$239
Power1000 W (rated)
Performance per dollar10.58
Released2019

Specifications

BrandCaldera
ModelCaldera PW-4944 Prime
Rated output1,000 W continuous
Efficiency80 PLUS Titanium (94% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan120 mm fluid dynamic bearing, zero-RPM mode
Hold-up time≥ 16 ms
ProtectionsOCP, OVP, UVP, OPP, OTP, SCP
Warranty10 years

Related guides

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

Similar Power Supplies

ModelBenchmarkPriceCompare
Caldera PW-4218 Plus 850W 80 PLUS Gold ATX Power Supply1,696$109Compare
Caldera PW-9030 Ultra 750W 80 PLUS Gold ATX Power Supply1,277$69Compare
Teralux PW-4017 XT 1200W 80 PLUS Platinum ATX Power Supply2,272$269Compare
Caldera PW-9866 Ultra 550W 80 PLUS Bronze ATX Power Supply1,158$59Compare
Novexa PW-6868 Plus 1600W 80 PLUS Titanium ATX Power Supply2,636$309Compare
Novexa PW-9351 Prime 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,895$359Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-4944 Prime 1000W 80 PLUS Titanium ATX Power Supply”, https://vextor7.com/item/2080903 (accessed 2026-10-18).