Does it have newer Nvidia power connector 400,500 series ?

Yes. It is ATX 3.1 and PCIe Gen 5 ready, with a native 12VHPWR (12+4 pin) connector.

Questions & Answers: RAIDMAX RX-850AED 850W Power Supply, ATX 3.1 PCIe Gen 5 Ready, Name-Brand SI OEM Version with 12VHPWR, Non-Modular, Brown Box Packaging, Reliable Power for RTX 50 & AMD RX 7000/9000, 5 Years Warranty

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RAIDMAX RX-850AED 850W Power Supply, ATX 3.1 PCIe Gen 5 Ready, Name-Brand SI OEM Version with 12VHPWR, Non-Modular, Brown Box Packaging, Reliable Power for RTX 50 & AMD RX 7000/9000, 5 Years Warranty

SI-Trusted OEM Power Supply Proven and widely used by name-brand system integrators (SI); optimized for long-term stability and performance.
Cost-Effective Brown Box Version Simplified OEM packaging with no frills, designed for builders who prioritize value and reliability over flashy aesthetics.
ATX 3.1 & PCIe Gen 5 Ready Supports modern high-performance GPUs with native 12VHPWR (12+4 pin) connector ideal for RTX 50 series and AMD RX 7900/7700 class cards.
Straight Cable Output Design Durable non-modular layout for straightforward installation and fewer connection points, reducing failure risk.
Stable 850W Continuous Output 80+ Gold certified efficiency with built-in protections (OVP/UVP/OCP/OTP/SCP), delivering consistent and safe power delivery.
SI-Built, Quality Assured Backed by years of real-world deployment in prebuilt systems; engineered for long-lasting performance under daily use.
**Reliable 5 Years Warranty

$49^.99 –