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Cooler Master V850 SFX Gold 850W Fully Modular Power Supply - 80+ Gold Certified SFF PSU, ATX 3.1 & PCIe 5.1 Ready, 90 Degree Angled Cable, Low Noise, Small Form Factor ITX PSU, 10-Year Warranty,Black
An Alternative Item Is Available:
- ATX 3.0 & 90-Degee 12VHPWR: Featuring ATX 3.0 support and a 90-degree 12+4pin (12VHPWR) PCIe 5.0 connector, that not only enhances electrical durability but also contributes to lower temps and enhanced safety.
- Enhanced Dissipation: The integrated design, of transformer, rectifier, full-bridge LLC heat dissipation, and EMI-inhibited amorphous metal materials, delivers both advanced performance and efficient heat dissipation.
- SFX-to-ATX Bracket: With the included SFX-to-ATX bracket, enabling its usage across a wide range of systems, from mini-ITX to *E-ATX. In larger cases, extended cables may be necessary to reach specific components due to customized shortened cabling.
- Customized Cable Length: Customized shortened modular cabling with the latest ATX 3.0 connector reduces clutter, boosts airflow, and enhances overall thermal performance. Extended cables may be necessary for larger cases to reach specific components.
- /80+ Gold Efficiency
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 10 years
- Limited Warranty period (labor): 10 years
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
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Manufacturer Contact Info
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- Support Phone: 1-888-624-5099
- Support Email: customersupport@coolermaster.com
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The Cooler Master V850 SFX Gold is an 850W fully modular SFX power supply built for compact gaming and creator PCs that need ATX 3.0 support, a 12VHPWR cable, and 80 Plus Gold efficiency in a small-form-factor case.
Recommended For
- Mini-ITX and other small-form-factor builders who need 850W-class headroom for a compact gaming or workstation PC. Official positioning centers on mini-ITX/SFX use, and professional review testing found solid electrical performance in a compact SFX design.
- Builders pairing an SFX PSU with newer GPUs that benefit from native ATX 3.x / PCIe 5.x power support, especially when they want to avoid bulky adapter-heavy cable routing in a tight case.
- SFF enthusiasts trying to maximize airflow and reduce cable clutter inside dense cases, where shortened modular cables are usually easier to manage than full-length ATX PSU cabling.
- Compact gaming or creator builds that need strong power delivery but are not intended for sustained near-limit PSU loading. Review data points to good regulation and efficiency, with the best fit being smaller systems without extreme power demands.
Real-World Use Scenarios
- Building a high-end mini-ITX gaming PC with a modern Nvidia GPU: the SFX size and native 12VHPWR cable make cable routing easier in tight cases, and users can expect stable power delivery, but fan noise typically becomes noticeable during long gaming sessions or other heavy GPU loads.
- Replacing an ATX PSU in a cramped small-form-factor case to improve fit and airflow: this unit is commonly used when builders need more clearance for GPUs, radiators, or front cable runs, and the likely result is a cleaner SFF layout than a full-size PSU would allow.
- Running a compact gaming or creator system with an RTX 4070 Ti, 4080-class, or similar power-hungry GPU: in typical use, the PSU is a practical fit for high-performance SFF builds, but buyers planning maximum GPU power draw or aggressive overclocking may run into the included 12VHPWR cable's 450W limit.
- Using it in a larger micro-ATX or ATX tower with the included bracket: it can work when someone already owns the PSU or wants to reuse it across builds, but community feedback suggests the short SFX cable lengths may make routing harder and can require extension or custom cables.
- Choosing a PSU for a living-room PC or desk build where low noise matters at idle and light load: users can expect it to stay reasonable in lighter use, but it is not the best match for silence-focused builds because the fan does not have a true zero-RPM mode and ramps up clearly under load.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Small-form-factor (SFX/mini-ITX) builds that need up to 850W and native ATX 3.0/12VHPWR support—also usable in larger cases with the included SFX-to-ATX bracket though extensions may be required for some layouts |
| Model Identifiers | Cooler Master V850 SFX Gold — model MPY-8501-SFHAGV-3U1 (also listed as V850 SFX Gold / V850 SFX Gold ATX3.0) |
| Capacity And Efficiency | 850 W maximum output with 80 PLUS Gold efficiency (≈90% at typical load) |
| Form Factor & Dimensions | SFX form factor; dimensions 100 × 125 × 63.5 mm (3.93 × 4.92 × 2.5 inches); maximum PSU length 125 mm |
| Cooling & Fans | Air-cooled with a single 92 mm fluid-dynamic bearing (FDB) fan |
| Connectors & Cables | Fully modular cable set including 24‑pin ATX (300 mm), EPS 4+4 (450 mm), EPS 8‑pin (450 mm), two PCIe 6+2 pin runs, SATA and peripheral runs as supplied, plus 1x 12+4‑pin (12VHPWR) 90‑degree PCIe 5.0 cable (400 mm); shortened modular cabling reduces clutter and improves airflow but may require extensions in larger cases |
| Power Input And Output | Input 100–240 VAC (50/60 Hz), 12–6 A (min input 90 VAC, max 264 VAC); active PFC; outputs: +12V 70.8 A, +3.3V 20 A, +5V 20 A, -12V 0.3 A; hold-up time 16 ms; Power Good signal 100–500 ms |
| Protections And Certifications | Multiple protections (OVP, OPP, SCP, OCP, UVP, OTP) plus surge and inrush protection; agency approvals include TUV, cTUVus, CE, BSMI, FCC, CCC, EAC, RCM, CB, UKCA |
| Features & Warranty | ATX 3.0 support, 90‑degree 12VHPWR connector, premium Japanese capacitors, fully modular design and 10‑year warranty |
| Physical & Package | Unit weight 3.968 lbs; package includes V850 SFX Gold ATX 3.0, SFX-to-ATX bracket, connectors, power cord, 4x screws and manual; package weight and dimensions provided for shipping |
Reference Q&A
Q: Should I buy the Cooler Master V850 SFX Gold or the Corsair SF850 for a high-end mini-ITX build?
A: Choose the Cooler Master V850 SFX Gold if you want a true SFX-sized 850W unit with ATX 3.x-era cabling, including a native 12VHPWR lead and a compact 125 mm chassis that fits tighter small-form-factor cases more easily. Choose the Corsair SF850 if your priority is premium positioning, higher 80 Plus Platinum efficiency, and the quieter reputation often noted in reviews and community discussions. In practice, the Cooler Master is the more space-efficient 850W option, while the Corsair is the stronger fit when acoustics and higher-end PSU positioning matter more than saving internal case space.
Q: Is the Cooler Master V850 SFX Gold worth buying over a 750W SFX PSU?
A: Buy the V850 SFX Gold over a 750W SFX PSU when you want more headroom for newer GPUs, native 12VHPWR support, or plan to keep the PSU across multiple upgrades. A good 750W SFX unit is still reasonable for many efficient gaming builds, including some RTX 4080-class systems, but 850W reduces power-limit concerns and gives more flexibility for higher transient loads or future CPU and GPU upgrades. The main trade-off is that 750W models can still be sufficient for balanced systems if your goal is simply to avoid overspending.
Q: How does the Cooler Master V850 SFX Gold compare with the older V850 SFX Gold models?
A: The current V850 SFX Gold is the better choice if you want an updated small-form-factor PSU for modern GPUs because Cooler Master positions it with ATX 3.x readiness and a native 12VHPWR cable. Older V850 SFX Gold variants are still relevant for conventional 8-pin GPU builds, but the newer version is the cleaner choice for current NVIDIA-style power delivery and simpler cable routing in compact cases. The trade-off is not raw wattage, but better platform alignment with newer graphics card power standards.
Q: Should I choose this SFX PSU or a full-size ATX 850W PSU for the same build?
A: Choose the Cooler Master V850 SFX Gold if your case is compact, you need SFX compatibility, or you want the flexibility to move the PSU between mini-ITX and larger systems using the included bracket. Choose a full-size ATX 850W PSU if your case has room and your priority is usually lower cost per watt, potentially larger cooling hardware, and longer stock cables for big towers. The Cooler Master is the better fit for space-constrained builds, while ATX models are usually the simpler choice for standard mid-tower or full-tower systems.
Q: Is this a good 850W PSU for a mini-ITX or small-form-factor gaming build?
A: Yes. This model is a strong fit for SFF and mini-ITX builds because it uses the compact SFX form factor, delivers 850W, and includes a native 12VHPWR cable for newer GPUs. It is best for builders who want high power in a small case without using a larger ATX PSU. The main trade-off is that SFX units usually cost more and use shorter cables than full-size ATX models.
Q: Will it fit in a regular ATX case, or is it only for SFX cases?
A: It can work in both, but it is mainly designed for SFX-compatible cases. Cooler Master includes an SFX-to-ATX bracket, so the PSU can be mounted in larger ATX-compatible cases. However, the included cables are intentionally shortened for compact builds, so in mid-tower or full-tower cases you may need cable extensions.
Q: Is this a good choice for newer NVIDIA GPUs that use 12VHPWR or PCIe 5.x power?
A: Yes. This PSU is a sensible choice for modern high-end GPUs because it includes a native 12VHPWR cable and is marketed as ATX 3.x and PCIe 5.x ready. That makes it more convenient than older PSUs that rely on adapter cables. It is most useful for builders who want a cleaner small-form-factor setup with current-generation GPU support.
Q: What is the main trade-off versus a full-size ATX 850W power supply?
A: The main trade-off is size versus convenience. This SFX model saves space and is better for compact builds, but full-size ATX 850W PSUs are usually easier to cable-manage in larger cases, often cost less, and more often include longer cables. Choose this Cooler Master unit if compact size matters; choose an ATX PSU if your case has room and you want simpler installation in a larger system.
Q: Does it include the cables needed for a powerful GPU and modern motherboard, or will I need extras?
A: For most compact builds, it should include the core cables you need. The listed connectors include a 24-pin motherboard cable, CPU power cables, PCIe 6+2-pin cables, SATA, peripheral power, and one 12VHPWR cable for newer GPUs. The likely extra purchase is not missing cables, but cable extensions if you install it in a larger case where the shorter SFX-oriented cable lengths may not reach cleanly.
Q: Is the Cooler Master V850 SFX Gold a good buy for a high-power mini-ITX or SFF build?
A: Yes, if you need an 850W SFX PSU for a compact build. It fits small-form-factor systems, includes a native 12VHPWR cable, and is designed for modern GPUs and ATX 3.x platforms. It makes the most sense for SFF builds that need more headroom than 750W. The main trade-off is that buyer discussions repeatedly compare it against quieter alternatives.
Q: Is the V850 SFX Gold quiet enough for a low-noise build?
A: It depends on your noise tolerance. Repeated Reddit and YouTube discussion shows noise is one of the main decision points for this model. Some users report acceptable or improved behavior on newer revisions, but others still describe the fan as noticeably loud or mention coil whine under load. If near-silent operation is the priority, this is not the safest choice.
Q: Who is this PSU most suitable for?
A: It is best suited to builders who specifically need SFX size, 850W capacity, fully modular cables, and native support for newer GPUs. It is a practical fit for compact gaming systems where space is limited but power demand is still high. It is less compelling for buyers who can use a larger ATX PSU or who prioritize the quietest possible system.
Q: Are the cables and size actually convenient, or are there trade-offs?
A: There are trade-offs. The short modular cables are useful in SFF cases because they reduce clutter, but repeated user discussion says the stock cables can be stiff and harder to route. In larger ATX cases, the included short cables may also be limiting, which matches the product note that extension cables may be needed.
Q: Should you choose this instead of a 750W SFX PSU?
A: Choose it if your build benefits from 850W headroom or if you want a native 12VHPWR cable for a newer GPU. A 750W SFX PSU may be the better choice if your system draws less power and you care more about lower noise or broader community confidence around acoustics. The V850 SFX Gold is mainly a capacity-first option, not the clearest quiet-first option.