Hardware Spec Index

Caldera PW-6838 XT 850W 80 PLUS Gold ATX Power Supply

Power Supplies · Caldera · SKU PW6838-XT · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index1,602 (Power Supplies scale)
Category rank#43,041
Street price$139
Power850 W (rated)
Performance per dollar11.53
Released2020

Specifications

BrandCaldera
ModelCaldera PW-6838 XT
Rated output850 W continuous
Efficiency80 PLUS Gold (90% at 50% load, 115 V)
StandardATX 12V 2.53
GPU powerNone
PCIe 8-pin3×
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
Zephyra PW-7559 Prime 1000W 80 PLUS Platinum ATX 3.0 Power Supply2,117$209Compare
Zephyra PW-7674 Plus 1300W 80 PLUS Titanium ATX 3.1 Power Supply2,964$369Compare
Teralux PW-4373 Core 850W 80 PLUS Gold ATX 3.1 Power Supply1,960$179Compare
Novexa PW-5056 Ti 1600W 80 PLUS Platinum ATX Power Supply2,862$309Compare
Zephyra PW-5635 Pro 1200W 80 PLUS Platinum ATX 3.1 Power Supply2,744$349Compare
Vantrel PW-4557 Ultra 1000W 80 PLUS Platinum ATX Power Supply2,428$269Compare

All Power Supplies · JSON

Cite this page: Hardware Spec Index, “Caldera PW-6838 XT 850W 80 PLUS Gold ATX Power Supply”, https://vextor7.com/item/7077992 (accessed 2026-10-18).