{"id":17673,"date":"2026-05-18T13:59:41","date_gmt":"2026-05-18T12:59:41","guid":{"rendered":"http:\/\/www.callanthe.im\/index.php\/product\/be-quiet-system-power-11-450w-is-atx-3-1-compliant-and-pcie-5-1-compatible-5-year-manufacturers-warranty-2\/"},"modified":"2026-05-18T13:59:42","modified_gmt":"2026-05-18T12:59:42","slug":"be-quiet-system-power-11-450w-is-atx-3-1-compliant-and-pcie-5-1-compatible-5-year-manufacturers-warranty-2","status":"publish","type":"product","link":"https:\/\/www.callanthe.im\/index.php\/product\/be-quiet-system-power-11-450w-is-atx-3-1-compliant-and-pcie-5-1-compatible-5-year-manufacturers-warranty-2\/","title":{"rendered":"be quiet! System Power 11 450W is ATX 3.1 compliant and PCIe 5.1 compatible, 5-year manufacturer&#8217;s warranty"},"content":{"rendered":"<p><b>The be quiet! System Power 11 450W<\/b> (MPN BP009EU) is a reliable, entry-level internal power supply unit (PSU) ideal for mid-range desktop PCs. Certified <b>80 PLUS Bronze<\/b>, it delivers stable 450?W output with ATX 3.1 compatibility and support for PCIe 5.1 GPUs via two 6+2-pin connectors. Its non-modular design with flat cables provides hassle-free installation and dependable performance.<\/p>\n<p><b>Key Features<\/b><br \/><b>Power Output:<\/b> 450?W continuous<br \/><b>Certification:<\/b> 80 PLUS Bronze (up to 89% efficiency at 230?V)<br \/><b>Compliance:<\/b> ATX 3.1, EPS 12V v2.92<br \/><b>PCIe Support:<\/b> Supports PCIe 5.1 GPUs via 2 x 6+2-pin connectors<br \/><b>Cooling:<\/b> Temperature-controlled 120?mm rifle-bearing fan<br \/><b>Protection Features:<\/b> OCP, OVP, UVP, OPP, OTP, SCP, surge and inrush protection<br \/><b>Cabling:<\/b> Fully wired (non-modular) flat black cables<br \/><b>Warranty:<\/b> 5-year manufacturer\u2019s warranty<\/p>\n<p><b>Full Technical Specification<\/b><\/p>\n<p><b>Model \/ MPN:<\/b><br \/>System Power 11 450?W (BP009EU)<\/p>\n<p><b>Form Factor:<\/b><br \/>ATX<\/p>\n<p><b>Compliance:<\/b><br \/>ATX 3.1, EPS 12V v2.92<\/p>\n<p><b>Power Output:<\/b><br \/>450?W continuous<\/p>\n<p><b>Efficiency Certification:<\/b><br \/>80 PLUS Bronze (up to 89% at 50% load)<\/p>\n<p><b>Input Voltage:<\/b><br \/>200\u2013240?VAC<\/p>\n<p><b>Input Frequency:<\/b><br \/>50?Hz<\/p>\n<p><b>Input Current:<\/b><br \/>Up to 4 A<\/p>\n<p><b>Power Factor:<\/b><br \/>= 0.98 at full load<\/p>\n<p><b>Standby Power:<\/b><br \/>< 0.15?W\n\n<b>Operating Temperature:<\/b><br \/>0\u201340 \u00b0C<\/p>\n<p><b>MTBF:<\/b><\/p>\n<p>100,000 hours at 25 \u00b0C<\/p>\n<p><b>12V Rail:<\/b><br \/>Single 12 V rail at 37.5 A<\/p>\n<p><b>Protections:<\/b><br \/>OCP, OVP, UVP, OPP, OTP, SCP, surge, inrush<\/p>\n<p><b>Fan:<\/b><br \/>120 mm rifle-bearing, temperature-controlled<\/p>\n<p><b>Noise Level:<\/b><br \/>~10.5 dB(A) at light load, up to ~19.1 dB(A) at full load<\/p>\n<p><b>Modularity:<\/b><br \/>Non-modular<\/p>\n<p><b>Connectors:<\/b><br \/>1 x 20+4-pin ATX<br \/>1 x 4+4-pin CPU (EPS)<br \/>2 x 6+2-pin PCIe<br \/>5 x SATA<br \/>1 x Molex (4-pin PATA)<\/p>\n<p><b>Cable Type:<\/b><br \/>Flat black cables<\/p>\n<p><b>Cable Length:<\/b><br \/>Up to 90 cm<\/p>\n<p><b>Dimensions:<\/b><br \/>150 mm (W) x 140 mm (D) x 86 mm (H)<\/p>\n<p><b>Weight:<\/b><br \/>~1.7 kg<\/p>\n<p><b>Certifications:<\/b><br \/>CE, CB, TUV, RoHS, UKCA, WEEE, ErP, Energy Star<\/p>\n<p><b>Warranty:<\/b><br \/>5 years<\/p>\n<ul>\n<li>Wattage: 450W<\/li>\n<li>Size\/Version: ATX 3.1<\/li>\n<li>Modular: No<\/li>\n<li>SATA Connections: 5<\/li>\n<li>Certification: Bronze<\/li>\n<li>Colour: Black<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>be quiet! System Power 11 450W is ATX 3.1 compliant and PCIe 5.1 compatible, 5-year manufacturer&#8217;s warranty<\/p>\n","protected":false},"featured_media":15028,"template":"","meta":[],"product_brand":[51],"product_cat":[140],"product_tag":[141],"class_list":["post-17673","product","type-product","status-publish","has-post-thumbnail","product_brand-bequiet","product_cat-power-supplies","product_tag-power-supplies","first","instock","sold-individually","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product\/17673","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/media\/15028"}],"wp:attachment":[{"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/media?parent=17673"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product_brand?post=17673"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product_cat?post=17673"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.callanthe.im\/index.php\/wp-json\/wp\/v2\/product_tag?post=17673"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}