{"id":109931,"date":"2026-04-10T10:03:35","date_gmt":"2026-04-10T09:03:35","guid":{"rendered":"https:\/\/buildit.im\/store\/index.php\/product\/be-quiet-system-power-11-550w-is-atx-3-1-compliant-and-pcie-5-1-compatible-5-year-manufacturers-warranty-2\/"},"modified":"2026-04-10T10:03:35","modified_gmt":"2026-04-10T09:03:35","slug":"be-quiet-system-power-11-550w-is-atx-3-1-compliant-and-pcie-5-1-compatible-5-year-manufacturers-warranty-2","status":"publish","type":"product","link":"https:\/\/buildit.im\/store\/index.php\/product\/be-quiet-system-power-11-550w-is-atx-3-1-compliant-and-pcie-5-1-compatible-5-year-manufacturers-warranty-2\/","title":{"rendered":"be quiet! System Power 11 550W is ATX 3.1 compliant and PCIe 5.1 compatible, 5-year manufacturer&#8217;s warranty"},"content":{"rendered":"<p><b>SYSTEM POWER 11 550W<\/b><\/p>\n<p>Proven Reliability, Quiet Operation System Power 11 is the ATX 3.1 PSU for value-oriented PC builders that do not want to pass on reliability and quietness.<\/p>\n<p><b>Highlights<\/b><\/p>\n<p>ATX 3.1 PSU with support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors<br \/>Temperature-controlled 120mm quality fan reduces system noise<br \/>Rock-solid stability with a strong 12V-rail<br \/>Tight voltage regulation using DC-to-DC technology<br \/>Up to one PCIe 5.1 12V-2&#215;6 600W and up to 3 PCIe 6-2 connectors for high-end GPUs<br \/>Dependable operation to support powerful GPUs<br \/>Stand-by drain of less than 0.15 watts<br \/>80 PLUS Bronze efficiency (up to 90.0 %)<br \/>5-year manufacturer\u2019s warranty<br \/>Product conception, design and quality control in Germany<\/p>\n<p><b>General<\/b><\/p>\n<p><b>Model<\/b><br \/>System Power 11 550 W<\/p>\n<p><b>Continuous power (W)<\/b><br \/>550<\/p>\n<p><b>Peak power (W)<\/b><br \/>No<\/p>\n<p><b>Form factor<\/b><br \/>Version 3.1<\/p>\n<p><b>Form factor EPS 12V<\/b><br \/>Version 2.92<\/p>\n<p><b>Topology<\/b><br \/>Double forward + DC-DC<\/p>\n<p><b>Digitally controlled<\/b><br \/>No<\/p>\n<p><b>Voltage (Vac)<\/b><br \/>200 &#8211; 240<\/p>\n<p><b>Frequency (Hz)<\/b><br \/>50<\/p>\n<p><b>Input current (A)<\/b><br \/>4<\/p>\n<p><b>Power factor at 100% load<\/b><br \/>>0.98<\/p>\n<p><b>Modern standby<\/b><br \/>Yes<\/p>\n<p><b>Power consumption in standby (W)<\/b><br \/><0.1\n\n<b>Average life time (h \/ 25\u00b0C)<\/b><br \/>>100,000<\/p>\n<p><b>Operating temperature up to (\u00b0C)<\/b><br \/>40<\/p>\n<p><b>Efficiency<\/b><br \/>80 PLUS certification<br \/>Efficiency (%) at 230V, 2% load64.4 Bronze<br \/>Efficiency (%) at 230V, 10% load 84.4 Bronze<br \/>Efficiency (%) at 230V, 20% load 88.6 Bronze<br \/>Efficiency (%) at 230V, 50% load 89.7 Bronze<br \/>Efficiency (%) at 230V, 100% load 86.6 Bronze<\/p>\n<p><b>Fan and cooling technology<\/b><\/p>\n<p><b>Cybenetics Noise Rating<\/b><br \/>No<\/p>\n<p><b>Fan<\/b> <br \/>Silence-optimized be quiet! fan<\/p>\n<p><b>Fan size (mm)<\/b><br \/>120<\/p>\n<p><b>Bearing technology<\/b><br \/>Rifle<\/p>\n<p><b>Motor technology<\/b><br \/>4-pole fan motor<\/p>\n<p><b>Max. fan speed (rpm)<\/b><br \/>1800<\/p>\n<p><b>dB(A) at 10% load<\/b><br \/>10.4<\/p>\n<p><b>dB(A) at 20% load<\/b><br \/>10.8<\/p>\n<p><b>dB(A) at 50% load<\/b><br \/>11.0<\/p>\n<p><b>dB(A) at 100% load<\/b><br \/>24.2<\/p>\n<p><b>Output<\/b><\/p>\n<p><b>Multi-rail operation (12V rails)<\/b><br \/>No<\/p>\n<p><b>12V single rail operation<\/b><br \/>Yes<\/p>\n<p><b>Overclocking key<\/b><br \/>No<\/p>\n<p><b>+3.3V (A)<\/b><br \/>20<\/p>\n<p><b>+5V (A)<\/b><br \/>20<\/p>\n<p><b>+12V1 (A)<\/b><br \/>45.83<\/p>\n<p><b>+12V2 (A)<\/b><br \/>no<\/p>\n<p><b>+12V3 (A)<\/b><br \/>No<\/p>\n<p><b>+12V4 (A)<\/b><br \/>No<\/p>\n<p><b>+12V5 (A)<\/b><br \/>No<\/p>\n<p><b>+12V6 (A)<\/b><br \/>No<\/p>\n<p><b>-12V (A)<\/b><br \/>0.3<\/p>\n<p><b>+5Vsb (A)<\/b><br \/>3<\/p>\n<p><b>Max. combined power 12V (W)<\/b><br \/>550<\/p>\n<p><b>Max. combined power 12V-2&#215;6 (W)<\/b><br \/>300<\/p>\n<p><b>Max. combined power 3.3V + 5V (W)<\/b><br \/>120<\/p>\n<p><b>Hold-up time at 100% load (ms)<\/b><br \/>16.86<\/p>\n<p><b>Hold-up time at 80% load (ms)<\/b><br \/>20.92<\/p>\n<p><b>Power good signal (ms)<\/b><br \/>100 &#8211; 150<\/p>\n<p><b>Cables and connectors<\/b><\/p>\n<p><b>Modular cables<\/b><br \/>No<\/p>\n<p><b>Sleeved cables<\/b><br \/>P24<\/p>\n<p><b>Flat cables<\/b><br \/>P4+4, P4, PCIe, drives<\/p>\n<p><b>Maximum cable length (cm)<\/b><br \/>55<\/p>\n<p><b>Cable length to motherboard (cm)<\/b><br \/>79<\/p>\n<p><b>No. of cables<\/b><br \/>7<\/p>\n<p><b>ATX-Motherboard (20+4-pin)<\/b><br \/>1<\/p>\n<p><b>P4+4 (CPU)<\/b><br \/>1<\/p>\n<p><b>P8 (CPU)<\/b><br \/>No<\/p>\n<p><b>P4 (CPU)<\/b><br \/>1<\/p>\n<p><b>12V-2&#215;6 cables<\/b><br \/>1<\/p>\n<p><b>PCI-e 6+2-pin (GPU)<\/b><br \/>2<\/p>\n<p><b>PCI-e 6-pin (GPU)<\/b><br \/>No<\/p>\n<p><b>SATA<\/b><br \/>5<\/p>\n<p><b>PATA<\/b><br \/>1<\/p>\n<p><b>FDD (Floppy)<\/b><br \/>No<\/p>\n<p><b>Protection<\/b><\/p>\n<p><b>OTP (over temperature protection)<\/b><br \/>Yes<\/p>\n<p><b>OCP (over current protection)<\/b><br \/>Yes <\/p>\n<p><b>OPP (over power protection)<\/b><br \/>Yes<\/p>\n<p><b>SCP (short circuit protection)<\/b><br \/>yes<\/p>\n<p><b>OVP (over Voltage protection)<\/b><br \/>Yes<\/p>\n<p><b>UVP (under Voltage protection)<\/b><br \/>Yes<\/p>\n<p><b>SIP (Surge &#038; Inrush protection)<\/b><br \/>Yes<\/p>\n<p><b>Safety certification<\/b><\/p>\n<p><b>BSMI<\/b><br \/>No<\/p>\n<p><b>CB<\/b><br \/>No<\/p>\n<p><b>CCC<\/b><br \/>No<\/p>\n<p><b>CE<\/b><br \/>Yes<\/p>\n<p><b>cRUus<\/b><br \/>No<\/p>\n<p><b>cTUVus<\/b><br \/>No<\/p>\n<p><b>CU<\/b><br \/>Yes<\/p>\n<p><b>FCC<\/b><br \/>No<\/p>\n<p><b>RCM<\/b><br \/>No<\/p>\n<p><b>TUV<\/b><br \/>Yes<\/p>\n<p><b>UKCA<\/b><br \/>Yes<\/p>\n<p><b>IRAM<\/b><br \/>No<\/p>\n<p><b>Environmental directives<\/b><\/p>\n<p><b>ErP<\/b><br \/>Yes<\/p>\n<p><b>WEEE<\/b><br \/>Yes<\/p>\n<p><b>RoHS<\/b><br \/>Yes<\/p>\n<p><b>Triman<\/b><br \/>No<\/p>\n<p><b>Scope of delivery<\/b><\/p>\n<p><b>Thumb screws<\/b><br \/>No<\/p>\n<p><b>Screws<\/b><br \/>Yes<\/p>\n<p><b>Cable ties<\/b><br \/>Yes<\/p>\n<p><b>Velcro cable ties<\/b><br \/>No<\/p>\n<p><b>User manual languages<\/b><br \/>No<\/p>\n<p><b>OCK slot bracket with switch \/ OCK jumper<\/b><br \/>No<\/p>\n<p><b>SFX-to-ATX adapter bracket<\/b><br \/>No<\/p>\n<p><b>Casing<\/b><\/p>\n<p><b>Dimensions without cable (L x W x H), (mm)<\/b><br \/>86 x 150 x 140<\/p>\n<p><b>Weight (kg)<\/b><br \/>1.92<\/p>\n<p><b>Color<\/b><br \/>Black<\/p>\n<p><b>Logistics data and RRP<\/b><\/p>\n<p><b>Dimensions, package (L x W x H), (mm)<\/b><br \/>268 x 195 x 97<\/p>\n<p><b>Gross weight, package (kg)<\/b><br \/>2.3<\/p>\n<p><b>Pieces per packaging unit<\/b><br \/>6<\/p>\n<p><b>Dimensions, shipping box (L x W x H), (mm)<\/b><br \/>556 x 311 x 218<\/p>\n<p><b>Gross weight, shipping box (kg)<\/b><br \/>14.9<\/p>\n<p><b>Service<\/b><\/p>\n<p><b>Warranty (Years)<\/b><br \/>5<\/p>\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>be quiet! System Power 11 550W is ATX 3.1 compliant and PCIe 5.1 compatible, 5-year manufacturer&#8217;s warranty<\/p>\n","protected":false},"featured_media":104735,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[15840],"product_cat":[1024],"product_tag":[37139,37141,37138,37132,37134,37133,37135,22318,37136,37143,37137,37140,24264,1317,37142,25956,37131],"class_list":{"0":"post-109931","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-bequiet","7":"product_cat-power-supplies","8":"product_tag-mm268-x-195-x-97gross-weight","9":"product_tag-mm556-x-311-x-218gross-weight","10":"product_tag-mm86-x-150-x-140weight-kg1-92colorblacklogistics-data-and-rrpdimensions","11":"product_tag-000operating-temperature-up-to-c40efficiency80-plus-certificationefficiency-at-230v","12":"product_tag-10-load-84-4-bronzeefficiency-at-230v","13":"product_tag-2-load64-4-bronzeefficiency-at-230v","14":"product_tag-20-load-88-6-bronzeefficiency-at-230v","15":"product_tag-5-year-manufacturers-warranty","16":"product_tag-50-load-89-7-bronzeefficiency-at-230v","17":"product_tag-be-quiet-system-power-11-550w-is-atx-3-1-compliant-and-pcie-5-1-compatible","18":"product_tag-p4","19":"product_tag-package-kg2-3pieces-per-packaging-unit6dimensions","20":"product_tag-package-l-x-w-x-h","21":"product_tag-pcie","22":"product_tag-shipping-box-kg14-9servicewarranty-years5","23":"product_tag-shipping-box-l-x-w-x-h","24":"product_tag-system-power-11-550wproven-reliability","26":"first","27":"instock","28":"sold-individually","29":"purchasable","30":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product\/109931","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/media\/104735"}],"wp:attachment":[{"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/media?parent=109931"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product_brand?post=109931"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product_cat?post=109931"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product_tag?post=109931"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}