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ASUS ROG Strix 850W Gold ATX3.0 vs XPG Core Reactor II 850W: Comparison
ASUS ROG Strix 850W Gold ATX3.0 and XPG Core Reactor II 850W separate most on pcie 8-pin connectors: ASUS ROG Strix 850W Gold ATX3.0 at 3, XPG Core Reactor II 850W at 6, 50% in favour of XPG Core Reactor II 850W. Hold-Up Time splits them by another 30%, this time favouring ASUS ROG Strix 850W Gold ATX3.0. They match on 14 other specifications, including wattage, 80 plus rating and atx standard. On price, XPG Core Reactor II 850W sits at $139.99 against $169.99 for ASUS ROG Strix 850W Gold ATX3.0.
Specs
| Specification |  |  |
|---|---|---|
| Brand | ASUS | XPG |
| Wattage | 850 W | 850 W |
| 80 PLUS Rating | Gold | Gold |
| ATX Standard | ATX 3.0 | ATX 3.0 |
| Form Factor | ATX | ATX |
| +12V Rail Amperage | 70.8 A | 70.8 A |
| Single +12V Rail | Yes | Yes |
| Cybenetics Efficiency | Gold | Platinum |
| Cybenetics Noise | A++ | Standard++ |
| 12V-2x6 Connectors | 1 | 1 |
| Hold-Up Time | 24.3 ms | 17 ms-30% |
| Zero-RPM Mode | Yes | No |
| Sleeved Cables | No | No |
| PCIe 8-pin Connectors | 3-50% | 6 |
| Connector Count | 1x 24-pin ATX, 2x EPS 4+4, 1x PCIe 16-pin, 3x PCIe 6+2-pin, 5x SATA, 4x Molex | 1x 24-pin ATX, 3x EPS 4+4, 1x 12+4-pin PCIe (600W), 6x PCIe 6+2-pin, 4x SATA, 4x Molex |
| Fan Size | 135 mm | 120 mm |
| Fan Model / Bearing | 135mm double ball bearing (CF1325H12D), Axial-tech | Fluid Dynamic |
| OEM / Platform | CWT | CWT |
| Japanese Capacitors | Yes | Yes |
| EPS 8-pin Connectors | 2 | 3 |
| SATA Connectors | 5 | 4 |
| Molex Connectors | 4 | 4 |
| Cable Lengths | ATX 600mm, EPS 650mm, 16-pin 600mm, PCIe 600-610mm, SATA 400+120+120mm, Molex 400+150+150+150mm | 24-pin 640mm, EPS 650/750mm, PCIe 650mm, 12+4-pin 650mm |
| Length | 180 mm | 140 mm |
| Colour | Black | Black |
| MTBF | 120000 hours | 100000 hours-17% |
| Modularity | Fully Modular | Fully Modular |
| Protections | OPP, OVP, UVP, SCP, OCP, OTP | OCP, OVP, OPP, SCP, OTP, UVP |
| Warranty | 10 years | 10 years |
| Model | ROG Strix 850W Gold ATX3.0 | Core Reactor II 850W |
| Typical Price | $169.99 | $139.99 |
| Source URL | https://rog.asus.com/power-supply-units/rog-strix/rog-strix-850g-aura-gaming-model/spec/ | https://hwbusters.com/psus/xpg-core-reactor-ii-850w-psu-review/ |
Price comparison
| Retailer | ASUS ROG Strix 850W Gold ATX3.0 | XPG Core Reactor II 850W |
|---|---|---|
| Consumercarts listing | $169.99 View on Consumercarts listing | $139.99 View on Consumercarts listing |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
ASUS ROG Strix 850W Gold ATX3.0
8.3 / 10 Expert Rating
A solid 850W Gold-rated ATX unit for a popular RTX 4070 Ti / RTX 5070-class gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.
XPG Core Reactor II 850W
8.2 / 10 Expert Rating
Core Reactor II is the first ATX 3.1-certified unit in this batch, so it carries the tightened 12V-2x6 transient spec, a meaningful reassurance for anyone running a power-hungry RTX 50-series card.
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