SAMA Black Diamond 850W Gold Certified Full Modular Power Supply

The SAMA Black Diamond 850W is a high-performance, Gold-certified, fully modular power supply designed for gaming PCs, productivity rigs, and high-end workstation builds. Engineered for efficiency, stability, and long-term durability, this power supply supports the latest graphics cards, including NVIDIA 30-series and 40-series GPUs (with a separately purchased 12+4-pin extension cable). With industrial-grade Japanese capacitors and advanced electrical design, the SAMA Black Diamond 850W is built to deliver clean and dependable power for even the most demanding systems.

Key Features

80+ Gold Certified Efficiency

The SAMA Black Diamond delivers up to 92% power efficiency, reducing heat output, lowering energy consumption, and helping to extend component lifespan. Its highly efficient DC-to-DC circuit design ensures stable power delivery while keeping your system cool and cost-effective.

Full Modular Cable Management

With a full modular cable system, users can connect only the cables they need. This improves airflow, reduces clutter inside the case, and enhances overall aesthetics—making it ideal for clean and optimized PC builds.

Support for PCIe 5.0 & Modern GPUs

The power supply is compatible with PCIe 5.0 expansion and supports NVIDIA RTX 3090, 4070, 4080, and 4090 series graphics cards.
(Note: 12+4-pin extension cable sold separately; available in-store.)

Advanced Resonant LLC Topology

Featuring Resonant LLC topology with DC-to-DC conversion, the SAMA Black Diamond ensures stable voltage output, minimizes noise, and reduces coil whine—resulting in quieter and more consistent system performance.

Premium Japanese Capacitors

Equipped with 100% industrial-grade 105°C Japanese capacitors, this PSU guarantees long-lasting reliability, superior build quality, and excellent power stability even under heavy loads.

Quiet & Efficient Operation

Its optimized internal layout and advanced circuitry enable cooler operation while minimizing fan noise. The PSU is designed to deliver clean, ripple-free power for sensitive components.

Built for High-End Systems

Whether you’re building a gaming PC, a rendering workstation, or a high-performance streaming setup, the SAMA Black Diamond 850W delivers the power, efficiency, and reliability required for modern hardware.

User Experience

Users appreciate the SAMA Black Diamond for its strong efficiency rating, quiet operation, and premium components. The modular cable design makes cable management effortless, and compatibility with the latest GPUs ensures future-proof performance. Its Japanese capacitors and efficient topology provide exceptional stability, even during heavy gaming or multitasking.

What’s in the Box

1. SAMA Black Diamond 850W PSU

2. Modular Cable Set

3. Power Cable

4. Mounting Screws

5. User Manual

Price : SAMA Black Diamond 850W Gold Certified Full Modular Power Supply is priced as NRP 18,000 in Nepal.