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Corsair PSU SF Series SF850 80 PLUS Platinum Cybenetics Platinum SFX Power Supply-  (R-41261025

27,400.00

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Description

About Corsair SF850 80 Plus Platinum PSU

Category Specification
Power & Output Total Power: 850 W
+3.3 V: 20 A, +5 V: 20 A (combined up to 130 W)
+12 V: 70.8 A (single rail, 850 W total)
+5 VSB: 3 A / 15 W
Input AC Input: 100–240 V, Input Current: 10–5 A, Frequency: 47–63 Hz
Form Factor & Compliance SFX form factor
Compliant with ATX 3.1 standard, PCIe 5.1 ready
Cooling & Fan 1 × 92 mm fluid-dynamic bearing fan, with Zero RPM mode for silent operation under light to moderate load
Capacitors / Components 100% Japanese electrolytic capacitors rated for 105 °C, for stability and longevity
Connectors (fully modular cables) 1 × 24-pin ATX motherboard 2 × 4+4-pin EPS/ATX12V (CPU) 3 × PCIe 6+2-pin 1 × 12+4-pin (12VHPWR) for modern GPUs 8 × SATA power connectors 3 × Molex / PATA legacy connectors
Dimensions & Weight 125 mm × 100 mm × 63.5 mm
Weight: ~2.30 kg (including modular cables)
Reliability & Warranty MTBF: 100,000 hours
Warranty: 7 years
Operating Conditions Rated for continuous output up to 50 °C ambient temperature
Certification & Safety 80 PLUS Platinum certified; complies with ATX 3.1; includes standard PSU protections (OVP/UVP/OPP/OTP/SCP) per manufacturer specs

One of its standout strengths is the 80 PLUS Platinum efficiency certification.

This means the SF850 operates with high energy efficiency — converting a larger portion of AC input into usable DC output, thereby reducing wasted energy as heat.

Such efficiency not only contributes to lower electricity bills but also reduces thermal stress within compact cases, which can help prolong component lifespan and maintain stable performance under load.

The fully modular design is another major benefit, especially for compact builds.

Modular cables let you connect only the cables you need — eliminating excess clutter, improving airflow, and making cable management simpler.

This is especially helpful in mini-ITX or micro-ATX builds where space is at a premium.

Cooling and acoustics are well addressed: the SF850 uses a 92 mm fluid-dynamic bearing fan, which is efficient and long-lasting.

Under low to medium system loads, the PSU can enter Zero RPM mode, turning off the fan entirely and ensuring near-silent operation — an ideal scenario for media builds, silent workstations, or nighttime usage.

In terms of future-proofing: the SF850 is compliant with the ATX 3.1 standard and is ready for PCIe 5.1 GPUs.

It even includes the necessary 12V-to-12VHPWR cable to support modern high-wattage graphics cards, making it suitable for powerful gaming rigs or workstation machines that may require GPU upgrades down the line.

Reliability is assured through high-quality internals: all capacitors are Japanese electrolytic rated for 105 °C, designed to withstand high temperatures and long hours of usage.

The PSU is rated for continuous operation up to 50 °C ambient, which means it can handle demanding workloads or warm climates without compromising stability — a useful feature for users in hotter regions or compact cases with restricted airflow.

The unit’s connector roster is generous, supporting a variety of components: a 24-pin ATX connector for the motherboard; two 4+4-pin EPS/ATX12V connectors for CPU power; three 6+2-pin PCIe connectors plus one 12+4-pin (12VHPWR) connector for GPUs; multiple SATA and Molex ports for drives and accessories.

This makes the SF850 versatile for both modern builds and more legacy-driven systems.

Physical dimensions are 125 × 100 × 63.5 mm, so it’s compact enough for SFF cases.

Despite the small size, the PSU doesn’t compromise on power or performance. Its design, combined with a 7-year warranty and an MTBF rating of 100,000 hours, underlines that this PSU isn’t just for show — it’s built for durability and long-term performance.

The Corsair SF850 80 PLUS Platinum PSU strikes a strong balance between power, efficiency, size, and build quality.

Whether you’re building a compact gaming rig, a small-form-factor workstation, or a powerful upgrade-ready desktop, this PSU delivers reliable, efficient, and quiet power — with flexibility and future-proofing.

About brand

Corsair – High-Performance PC Components, Gaming Gear & Custom Build Solutions

Corsair is one of the world’s top names in PC hardware and gaming/peripheral gear. Trusted by gamers, creators and PC-enthusiasts alike, Corsair offers a broad range of products — from memory modules and power supplies to gaming keyboards, mice, cooling solutions and full custom-build PCs. Their focus on performance, reliability and modular design makes Corsair a go-to brand for those building powerful and long-lasting systems.

About Corsair

Corsair was founded in 1994 in California and began its journey supplying cache and DRAM modules. Over the years the company expanded — evolving from memory specialists into a full-fledged PC hardware and gaming brand. Today Corsair develops and manufactures PC components, peripherals, cooling solutions, custom rigs and accessories aimed at enthusiasts, gamers and professionals. :contentReference[oaicite:1]{index=1}

Corsair Product Categories

Memory Modules (RAM & Storage)

Corsair’s high-performance DRAM memory modules are built for speed, stability and overclocking — perfect for gaming rigs, content creation PCs and heavy multitasking systems. They also offer SSDs and storage solutions for fast boot times and data handling. :contentReference[oaicite:2]{index=2}

PC Cases & Custom Builds

Corsair’s computer cases and chassis are designed with airflow, modularity and expandability in mind. From compact builds to high-end enthusiast PCs, their cases support modern GPUs, cooling systems and cable management. Corsair also offers custom/prebuilt gaming PCs for users who want a ready-to-use high-performance machine. :contentReference[oaicite:3]{index=3}

Power Supplies & Cooling Solutions

Reliable power and efficient thermal management are cornerstones of Corsair’s offerings. Their PSUs (power supply units) deliver stable and efficient energy for demanding builds, while their cooling lineup — including air coolers, all-in-one (AIO) liquid coolers and case fans — keeps temperature and noise under control. :contentReference[oaicite:4]{index=4}

Gaming & Peripherals — Keyboards, Mice, Headsets & More

Corsair’s gaming gear includes premium mechanical keyboards, responsive mice, immersive headsets and other accessories tailored for gamers, streamers and competitive players. These peripherals often come with customizable RGB, ergonomic design and reliable build quality. :contentReference[oaicite:5]{index=5}

Streaming & Creator Gear

Beyond just gaming, Corsair also caters to content creators and streamers through dedicated gear and accessories — from capture devices and streaming peripherals (via associated brands and subsidiaries) to stable hardware ideal for video editing, streaming, and creative workflows. :contentReference[oaicite:6]{index=6}

Why Choose Corsair

Corsair stands out due to its broad ecosystem, reliability, performance-focused design and long-term value. Whether you're building a high-end gaming rig, a content creation workstation, or a balanced everyday PC, Corsair provides components and peripherals that deliver consistent performance and great longevity.

  • Comprehensive product range — from RAM to full systems
  • Strong reputation among gamers and PC builders
  • High-quality components suitable for overclocking and heavy workloads
  • Reliable cooling and power delivery for stable builds
  • Popular gaming peripherals with ergonomic and performance-focused design
  • Good support for both gaming and content creation workflows

Ideal For Gamers, Creators & Power Users

Corsair gear fits a broad spectrum of users: competitive gamers, streamers, video editors, DIY PC builders, students, professionals and everyday users who value performance and reliability. With options across budgets and performance levels, Corsair remains a versatile and trusted choice in the PC hardware space.

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