{"id":36087,"date":"2026-02-05T07:51:07","date_gmt":"2026-02-05T07:51:07","guid":{"rendered":"https:\/\/www.manchester-pc.co.uk\/shop\/?post_type=product&p=36087"},"modified":"2026-07-24T16:53:37","modified_gmt":"2026-07-24T15:53:37","slug":"be-quiet-tfx-power-3-300w-gold-power-supply","status":"publish","type":"product","link":"https:\/\/www.manchester-pc.co.uk\/shop\/product\/be-quiet-tfx-power-3-300w-gold-power-supply\/","title":{"rendered":"be quiet! TFX POWER 3 300W Gold Power Supply"},"content":{"rendered":"
\n
\n

COMPACT & SILENT ENERGY<\/p>\n

be quiet! TFX Power 3 300W Gold<\/h1>\n

A high-efficiency, space-saving TFX PSU designed for mini and media PCs \u2014 80 PLUS\u00ae Gold efficiency, stable dual 12V rails, and quiet temperature-controlled cooling, with PCIe GPU support when your compact build needs more than \u201cbasic\u201d.<\/p>\n

80 PLUS\u00ae Gold \u2022 Up to 91.7% Efficiency<\/span>
\nTFX12V v2.52 \u2022 EPS 12V v2.92<\/span>
\nStrong Dual 12V Rails \u2022 PCIe 6+2 Support<\/span>
\nQuiet 80mm Fan \u2022 Up to 21.7 dB(A)<\/span>
\n3-Year Manufacturer Warranty<\/span><\/div>\n

<\/p>\n

\n

\n\"be<\/div>\n

Image placeholder: Add a product hero image or lifestyle banner for the TFX Power 3 300W Gold.<\/p>\n<\/div>\n<\/header>\n

\n
\n

Core Highlights<\/h3>\n
    \n
  • 300W continuous power (350W peak)<\/li>\n
  • 80 PLUS\u00ae Gold efficiency (up to 91.7%)<\/li>\n
  • Strong dual 12V rails for stable operation<\/li>\n
  • 1\u00d7 PCIe 6+2 connector for discrete GPU support<\/li>\n
  • High-quality, temperature-controlled 80mm fan (up to 21.7 dB(A))<\/li>\n
  • Standby draw under 0.17W \u2022 Modern Standby ready<\/li>\n<\/ul>\n<\/div>\n
    \n

    80 PLUS\u00ae Gold Certification<\/h3>\n

    Certified 80 PLUS\u00ae Gold with an efficiency rating of up to 91.7% at 230V (50% load). Higher efficiency means less heat, lower energy waste, and a cooler-running compact PC.<\/p>\n

    80 PLUS\u00ae Gold<\/span>
    \nUp to 91.7% (230V)<\/span>
    \nActive Clamp Topology<\/span><\/div>\n<\/div>\n
    \n

    Strong Dual 12V Rails<\/h3>\n

    Dual 12V rails improve stability by supplying the CPU on an independent rail, while still providing the headroom needed for demanding peripherals \u2014 including a PCIe connector for a dedicated graphics card.<\/p>\n

    2\u00d7 12V Rails<\/span>
    \nPCIe 6+2 \u2022 1 connector<\/span>
    \nMax. Combined 12V \u2022 288W<\/span><\/div>\n<\/div>\n
    \n

    Quiet & Safe Operation<\/h3>\n

    A temperature-controlled fan keeps acoustics low while maintaining reliable cooling in compact enclosures. Comprehensive protection circuits help defend your system against common electrical faults for long-term peace of mind.<\/p>\n

    80mm High-Quality Fan<\/span>
    \nRifle Bearing<\/span>
    \nOCP \/ OPP \/ SCP \/ OVP \/ UVP \/ SIP<\/span><\/div>\n<\/div>\n
    \n

    Compact Cabling for Small Builds<\/h3>\n

    Designed for clean routing in tight cases: sleeved or flat black cables up to 60cm long, with a practical set of connectors for mini and media PC configurations.<\/p>\n

    Cable Length \u2022 Up to 60cm<\/span>
    \nATX 20+4 \u2022 1<\/span>
    \nSATA \u2022 3<\/span>
    \nPATA \u2022 2<\/span><\/div>\n<\/div>\n
    \n

    Built to Last<\/h3>\n

    Engineered for dependable daily use with an average lifetime of 100,000 hours (at 25\u00b0C) and product conception, design, and quality control in Germany \u2014 backed by a 3-year manufacturer warranty.<\/p>\n

    100,000h (25\u00b0C)<\/span>
    \nOperating Temp \u2022 Up to 40\u00b0C<\/span>
    \nWarranty \u2022 3 Years<\/span><\/div>\n<\/div>\n<\/div>\n

    <\/p>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

    COMPACT & SILENT ENERGY be quiet! TFX Power 3 300W Gold A high-efficiency, space-saving TFX PSU designed for mini and<\/p>\n","protected":false},"featured_media":36388,"template":"","meta":{"_acf_changed":false,"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"be quiet! TFX POWER 3 300W Gold Power Supply | Manchester PC","_yoast_wpseo_metadesc":"be quiet! TFX POWER 3 300W Gold Power Supply: quiet, reliable power supply from authorised be quiet! UK retailer Manchester PC."},"brands":[52],"product_cat":[83],"product_tag":[],"class_list":["post-36087","product","type-product","status-publish","has-post-thumbnail","product_brand-be-quiet","product_cat-power-supplies","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"\nbe quiet! TFX POWER 3 300W Gold Power Supply | Manchester PC<\/title>\n<meta name=\"description\" content=\"be quiet! TFX POWER 3 300W Gold Power Supply: quiet, reliable power supply from authorised be quiet! 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