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RAIJINTEK Ampere II 850W Power Supply, 80 Plus Platinum, Cybenetics Certified, ATX 3.1, Full Modular, PCIe 5.1 Ready 12V-2x6 Cable, Compact Design, 10-Year Warranty – Black
Raijintek

RAIJINTEK Ampere II 850W Power Supply

Bottom line: The RAIJINTEK Ampere II 850W Power Supply is a specs-and-price decision rather than a crowd-consensus one in the power supplies category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ High-Quality Japanese Capacitors – Rated 105°C/221°F for superior stability and endurance.
  • ✓ Backed by Raijintek's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

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SpecPicks Verdict

SpecPicks scored RAIJINTEK Ampere II 850W Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Raijintek's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • 80 PLUS Platinum Certified – Up to 92% efficiency for reduced power loss and lower temperatures.
  • ATX 3.1 & PCIe 5.1 Ready – Supports next-gen GPUs with 12V-2×6 (600W) cable for RTX 40 series and beyond.
  • High-Quality Japanese Capacitors – Rated 105°C/221°F for superior stability and endurance.
  • Smart Fan with Compact Build – Intelligent 12cm fan control and 140mm short chassis for silent, space-saving setups.
  • Full Modular Design & 10-Year Warranty – Clean cable management, full protection suite (OCP/OVP/UVP/OPP/SCP/OTP), and a decade of reliability.

Full Specifications

BrandRaijintek
ColorBlack
Wattage850 watts
Model NameAmpere II
Unit Count1 Count
Form FactorATX
Connector TypeATX, PCIe
Cooling MethodAir
Number of Fans1
Output Wattage850 watts
Item Dimensions5.91 x 5.51 x 3.39 inches
Compatible DevicesGaming PC
Warranty Description10 years warranty
Maximum Input Voltage264 volts_of_alternating_current
Minimum Input Voltage90 volts_of_alternating_current
Item dimensions L x W x H5.91 x 5.51 x 3.39 inches
System Bus Connector Type20+4 Pin
Connector Type Used on CableATX, PCIe
EU Spare Part Availability Duration10 years
Full listing titleRAIJINTEK Ampere II 850W Power Supply, 80 Plus Platinum, Cybenetics Certified, ATX 3.1, Full Modular, PCIe 5.1 Ready 12V-2x6 Cable, Compact Design, 10-Year Warranty – Black

Ready to buy?

RAIJINTEK Ampere II 850W Power Supply, 80 Plus Platinum, Cybenetics Certified, ATX 3.1, Full Modular, PCIe 5.1 Ready 12V-2x6 Cable, Compact Design, 10-Year Warranty – Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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RAIJINTEK Ampere II 850W Power Supply, 80 Plus Platinum, Cybenetics Certified, ATX 3.1, Full Modular, PCIe 5.1 Ready 12V-2x6 Cable, Compact Design, 10-Year Warranty – Black
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