Hardware Spec Index

Caldera PW-6688 XT 1200W 80 PLUS Platinum ATX Power Supply

Power Supplies · Caldera · SKU PW6688-XT · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index2,644 (Power Supplies scale)
Category rank#31,908
Street price$299
Power1200 W (rated)
Performance per dollar8.84
Released2019

Specifications

BrandCaldera
ModelCaldera PW-6688 XT
Rated output1,200 W continuous
Efficiency80 PLUS Platinum (92% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin4×
Form factorATX
ModularityFully modular
Fan140 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
Teralux PW-4817 Pro 1000W 80 PLUS Gold ATX Power Supply2,237$239Compare
Zephyra PW-6419 Max 750W 80 PLUS Bronze ATX 3.0 Power Supply1,391$69Compare
Novexa PW-5977 Pro 1600W 80 PLUS Platinum ATX 3.1 Power Supply2,808$299Compare
Caldera PW-7979 XT 1000W 80 PLUS Gold ATX 3.1 Power Supply1,950$149Compare
Novexa PW-5545 Plus 750W 80 PLUS Gold ATX 3.1 Power Supply1,394$89Compare
Novexa PW-9031 Edge 1000W 80 PLUS Platinum ATX 3.1 Power Supply1,913$169Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6688 XT 1200W 80 PLUS Platinum ATX Power Supply”, https://vextor7.com/item/78281698 (accessed 2026-10-19).