XPG
XPG CORE REACTOR II
Bottom line: The XPG CORE REACTOR II: ATX 3.1 compliant with native 12VHPWR (12+4) connector for modern GPUs; main trade-off: 850W ceiling is tight for a 12VHPWR flagship GPU paired with a high-draw CPU.
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Pros & Cons
Pros
- ✓ ATX 3.1 compliant with native 12VHPWR (12+4) connector for modern GPUs
- ✓ 80 PLUS Gold certified efficiency at the 850W class
- ✓ Fully modular cabling lets you run only the leads your build needs
- ✓ Overvoltage protection built into the platform
Cons
- ✗ 850W ceiling is tight for a 12VHPWR flagship GPU paired with a high-draw CPU
- ✗ Gold, not Platinum or Titanium, so efficiency trails pricier ATX 3.1 units
- ✗ XPG does not publish fan curve or hybrid zero-RPM details in the listing
- ✗ Listing does not state warranty length, cable count, or unit dimensions
SpecPicks Verdict
SpecPicks scored XPG CORE REACTOR II using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. XPG'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
- Intel ATX 3.1 Design Guide Compliant with a 12VHPWR (12+4) Connector
Full Specifications
| Brand | XPG |
|---|---|
| Wattage | 850 watts |
| Fan Size | 85 Millimeters |
| Model Name | COREREACTORII850G-BKCUS |
| Unit Count | 1.0 Count |
| Form Factor | ATX |
| Model Number | COREREACTORII850G-BKCUS |
| Connector Type | USB |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 850 |
| Item Dimensions | 5.51 x 5.91 x 3.35 inches |
| Mfr Part Number | COREREACTORII850G-BKCUS |
| Compatible Devices | Monitor |
| Connector Quantity | 10 |
| Power Supply Design | Full Modular |
| Warranty Description | 10 years |
| Maximum Input Voltage | 264 Volts (AC) |
| Item dimensions L x W x H | 5.51 x 5.91 x 3.35 inches |
| System Bus Connector Type | 12+4 Pin |
| Full listing title | XPG CORE REACTOR II - Workstation Power Supply Unit - Stable Power Delivery & Quiet Operation - Fully Modular Cable Design & 80+ Gold Certified - Overvoltage Protection - ATX 3.0 Gold 850 Watt VE |
Ready to buy?
XPG CORE REACTOR II - Workstation Power Supply Unit - Stable Power Delivery & Quiet Operation - Fully Modular Cable Design & 80+ Gold Certified - Overvoltage Protection - ATX 3.0 Gold 850 Watt VE 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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