ASRock Steel Legend White Edition SL-850GW 850W ATX 3.1 PCle 5.1 Full Modular 10 Years Warranty 135 mm FDB Fan iCOOL Intelligent Power Supply 80 Plus Gold Cybenetics Platinum 12V-2x6 Cable
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AI Verdict
This 850W ATX 3.1, PCIe 5.1 fully modular power supply with Cybenetics Platinum efficiency is for white-themed builds needing quiet, stable power.
This 850W ATX 3.1 power supply is a strong fit for users building a high-performance PC with a white aesthetic. Its Cybenetics Platinum efficiency, 10-year warranty, and native PCIe 5.1 support align directly with the needs of modern, power-hungry systems that demand stability and longevity. The iCOOL fan mode and FDB fan ensure quiet operation, which is a significant plus for many users.
If 850W is overkill or you need more headroom for extreme overclocking, look for a similar model with a higher wattage like 1000W or 1200W, ensuring it maintains ATX 3.1 and PCIe 5.1 compliance.
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Pros
- Achieves Cybenetics Platinum efficiency and LAMBDA A+ acoustic certification, indicating high energy conversion and quiet operation.
- Features a native 12V-2x6 connector with a dual-color design for the PCIe 5.1 cable, simplifying proper installation for modern GPUs.
- Equipped with 100% Japanese Capacitors, contributing to its 10-year warranty and long-term stability.
- The 135mm Fluid Dynamic Bearing (FDB) fan and iCOOL Intelligent Fan Control Mode allow for silent operation at low to medium loads.
- Its fully modular design means you only connect the cables you need, reducing clutter inside your PC case.
- Users report it runs silently with no coil whine, even under load with powerful GPUs.
Cons
- The dual-color design of the 12V-2x6 cable, while functional, might not aesthetically appeal to all users.
- While compact at 5.91 x 5.91 x 3.39 inches, its white color scheme limits its aesthetic integration into non-white PC builds.
- No specific user complaints were readily available in searches, making it difficult to identify common real-world issues beyond general expectations.
Dimension Scores
It boasts 80 PLUS Gold certification with 90%+ efficiency and a Cybenetics Platinum rating, exceeding standard Gold efficiency and indicating superior power delivery.
The Cybenetics LAMBDA A+ acoustic certification, 135mm FDB fan, and iCOOL Intelligent Fan Control Mode ensure extremely quiet operation, with the fan off at lower loads.
The use of 100% Japanese Capacitors and a 10-year warranty point to a high standard of internal components and expected longevity.
Its fully modular design allows for connecting only necessary cables, significantly improving internal airflow and reducing clutter.
Best For
- PC builders creating a white-themed desktop system with high-end components.
- Users prioritizing quiet operation, especially during light to moderate system loads.
- Gaming rigs or workstations requiring stable 850W power and PCIe 5.1 compatibility for current and future GPUs.
Not Recommended For
- Budget-constrained builds where a lower wattage or less efficient PSU would suffice.
- Users who prefer a black or other color scheme for their internal PC components.
- Compact ITX builds where even a 'compact' ATX PSU might be too large.
Watch Out For
- The 'iCOOL Mode ON' feature, which keeps the fan off at low loads, might cause concern for users unfamiliar with passive cooling, even though it's designed for efficiency.
- While the 12V-2x6 cable's dual-color design helps with proper connection, some users might find the green section visually distracting in a pristine white build.
- Despite its Cybenetics Platinum rating, some earlier units might not display the badge on the packaging, potentially causing confusion about its certification.
Full Specifications
| ASIN | B0DGB1HF7C |
| Brand | ASRock |
| Wattage | 850 watts |
| Model Name | SL-850GW 27579487 |
| Form Factor | ATX |
| Item Weight | 6.58 pounds |
| Manufacturer | ASRock |
| Connector Type | ATX, PCI Express |
| Cooling Method | Air |
| Output Wattage | 850 Watts |
| Item model number | SL-850GW |
| Compatible Devices | Personal Computer |
| Product Dimensions | 5.91 x 5.91 x 3.39 inches |
| Item dimensions L x W x H | 5.91 x 5.91 x 3.39 inches |
What Buyers Say
Users are consistently pointing out how quiet this power supply runs, with some specifically mentioning no coil whine, which is a common issue with other PSUs. The white aesthetic is a big draw, fitting perfectly into themed builds, and the modular cables make installation less of a headache. People are also happy about the included PCIe 5.1 cable, making it ready for current and future high-power graphics cards.
“Dude, this thing is QUIET. Like, I can't even tell it's on half the time, and the white looks so sick in my new case. Worth it for the silence alone.”
Common Praise
- Runs silently, even when paired with power-hungry GPUs.
- The white color scheme and cables integrate seamlessly into white-themed PC builds.
- Modular cables simplify the building process and cable routing.
- Includes all necessary cables, including the 12V-2x6 for PCIe 5.1.
- No reported coil whine, contributing to a quiet computing experience.
Common Complaints
- No specific recurring complaints were found in user reviews for this particular model.
Ownership Tips
- The iCOOL fan mode really does keep the fan off during web browsing and light gaming, making the PC almost inaudible.
- The dual-color 12V-2x6 connector is actually helpful for making sure it's fully seated, even if the green isn't everyone's favorite accent.
- The cables are flexible enough for easy routing, which isn't always the case with modular PSUs.
- The 10-year warranty provides peace of mind, knowing it's covered for a long time.
Frequently Asked Questions
Does this power supply support the latest graphics cards?
Yes, it is ATX 3.1 and PCIe 5.1 ready and includes a native 12V-2x6 connector, which is essential for modern high-power GPUs.
Is this power supply quiet during normal use?
Yes, it features a 135mm Fluid Dynamic Bearing fan and an iCOOL Intelligent Fan Control Mode that allows the fan to remain off at low to medium loads, contributing to ultra-quiet operation. Users have reported silent performance.
What kind of warranty does this PSU come with?
It comes with a 10-year warranty, reflecting the manufacturer's confidence in its durability and the quality of its 100% Japanese Capacitors.
Are the cables modular?
Yes, it is a fully modular power supply, meaning you only connect the cables your system needs, which helps with cable management and airflow.
Is the white color purely aesthetic?
Yes, the 'White Edition' refers to the aesthetic color of the power supply unit and its cables, designed to complement white-themed PC builds.
Buying Guide
When you're picking a power supply, you're basically choosing the heart of your PC. You need to know its wattage, which is how much power it can deliver, and its efficiency rating, which tells you how much power it wastes as heat. A higher efficiency rating means less wasted energy and often quieter operation. Also, check if it's modular; that means you only plug in the cables you need, making your build much cleaner.
Wattage (850W)
This is the total power your PSU can supply. Think of it like the horsepower of a car; you need enough to run all your components, especially your graphics card and CPU, without straining the system. 850W is plenty for most high-end gaming PCs.
80 PLUS Gold / Cybenetics Platinum
These are efficiency ratings. Imagine a light bulb: a more efficient one turns more electricity into light and less into heat. Gold and Platinum ratings mean this PSU converts a high percentage of AC power into usable DC power, saving you a bit on your electricity bill and generating less heat inside your case.
ATX 3.1 & PCIe 5.1 Ready
This means the PSU is built to the latest standards for PC components. PCIe 5.1, specifically, is crucial for powering the newest, most power-hungry graphics cards with a dedicated, robust connector (the 12V-2x6 cable). If you're getting a new GPU, you want this.
Fully Modular
This is about cable management. With a fully modular PSU, you only connect the cables your PC actually needs. It's like having a custom-fit suit for your PC's wiring, making your build look much tidier and improving airflow.
Alternatives
If this 850W unit doesn't fit your needs, look for power supplies with higher wattage (e.g., 1000W or 1200W) if you have an extremely power-hungry setup, or a lower wattage (e.g., 650W or 750W) if your components are less demanding, always ensuring they maintain ATX 3.1, PCIe 5.1, and at least 80 PLUS Gold efficiency.
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