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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
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Overview
Specs
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The RAIDMAX RX850AESD is a high-capacity, SI-trusted OEM power supply built for modern high-performance systems that demand stable power under sustained load. As a name-brand system integrator version, this model has been used for years in professional prebuilt PCs, offering proven reliability through continuous deployment.
This PSU is delivered in brown box OEM packaging and uses a direct-output (non-modular) cable layout, a preferred design in SI environments for its robustness, simplicity, and reduced failure points. The RX850AESD is intentionally free of RGB lighting or cosmetic extrasevery design choice is focused on electrical stability and long-term use.
Fully ATX 3.1 compliant and PCIe Gen 5 ready, the RX850AESD is designed to support next-generation graphics cards, including NVIDIA RTX 50 series and AMD RX 90 series, handling high transient loads with confidence. Its higher wattage capacity makes it ideal for performance gaming PCs, AI-assisted workloads, and creator systems using powerful GPUs.
For builders seeking a cost-effective yet enterprise-proven solution, the RX850AESD delivers clean power, consistent performance, and peace of mindwithout inflating the build cost with unnecessary features.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Raidmax Tech Return Policy
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The RAIDMAX Cobra 850W is a non-modular, 80 Plus Gold power supply marketed as ATX 3.1 and PCIe Gen 5 ready, suited to value-focused gaming PC builders seeking 850W capacity for a modern graphics card.
Recommended For
- Budget-focused desktop builders who want an 850W power supply and are comfortable routing unused cables rather than paying extra for a modular design.
- Builders replacing a power supply in a standard desktop case who have checked that their system’s power needs and GPU connectors match this unit.
- Value-oriented builders who prioritize the listed 850W capacity and 80 Plus Gold rating over modular cabling, retail packaging, or appearance-focused features.
Real-World Use Scenarios
- Building a gaming PC around a modern graphics card: the 850W capacity and listed 12VHPWR support can simplify power planning for a compatible GPU, but check the card’s power needs and the PSU’s included connectors against the full build.
- Replacing an older PSU during a GPU upgrade: the fixed cables can power a standard desktop build without choosing separate modular cables, though unused leads may make a compact case harder to tidy.
- Assembling a value-focused desktop for gaming and everyday work: the brown-box packaging and non-modular design suit builders who prioritize a basic power supply over retail presentation or cable customization.
- Running a PC through long gaming or creator-work sessions: the listed 850W output and protection features are intended for sustained system use, but the actual experience depends on the complete system’s power demand and cooling.
- Installing a PSU in a prebuilt or straightforward custom PC: the fixed cable set avoids connecting separate modular leads, while builders should plan cable routing before installation because the cables cannot be detached.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Gaming desktop PC builds needing an 850 W power supply |
| Power Output And Efficiency | 850 W output with efficiency greater than 90%, active PFC, and a single +12 V rail |
| Compatibility And Connectors | ATX 3.0 compatible with a 20+4-pin main connector, 2 PCIe 6+2-pin connectors, and 6 SATA power connectors |
| Protection And Input Power | Over-voltage and overload protection; accepts 100–240 V input |
| Cooling And Modular Design | Air-cooled, non-modular design |
| Dimensions And Weight | 5.4 × 3.14 × 5.4 inches; weight listed as 2 |
| Model Identifiers | RAIDMAX Cobra series, model RX850AESD |