{"id":147013,"date":"2026-05-13T14:43:20","date_gmt":"2026-05-13T13:43:20","guid":{"rendered":"https:\/\/buildit.im\/store\/index.php\/product\/antec-csk850-pro-850w-semi-modular-atx-3-1-power-supply-pcie-5-1-ready-with-12v-2x6-connector-80-plus-bronze-certified-quiet-120mm-fan-5-year-warranty\/"},"modified":"2026-05-13T14:43:20","modified_gmt":"2026-05-13T13:43:20","slug":"antec-csk850-pro-850w-semi-modular-atx-3-1-power-supply-pcie-5-1-ready-with-12v-2x6-connector-80-plus-bronze-certified-quiet-120mm-fan-5-year-warranty","status":"publish","type":"product","link":"https:\/\/buildit.im\/store\/index.php\/product\/antec-csk850-pro-850w-semi-modular-atx-3-1-power-supply-pcie-5-1-ready-with-12v-2x6-connector-80-plus-bronze-certified-quiet-120mm-fan-5-year-warranty\/","title":{"rendered":"Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply, PCIe 5.1 Ready with 12V 2&#215;6 Connector, 80 Plus Bronze Certified, Quiet 120mm Fan, 5-Year Warranty"},"content":{"rendered":"<p>The Antec CSK850 PRO is an 850 W semi-modular power supply designed for modern gaming and high-performance PCs. Compliant with the ATX 3.1 standard and PCIe 5.1 ready, it supports the latest graphics cards through its native 12V 2&#215;6 (12VHPWR) connector. Featuring 80 Plus Bronze efficiency and advanced CircuitShield\u2122 protection, this PSU ensures reliable, efficient, and safe power delivery. Its compact design, quiet 120 mm fan with intelligent thermal control, and semi-modular cables make installation easy and improve system airflow. Backed by a 5-year warranty, it is a future-proof choice for demanding PC builds.<\/p>\n<p><b>Full Specifications<\/b><\/p>\n<p><b>Model:<\/b> <br \/>CSK850 PRO<\/p>\n<p><b>MPN:<\/b> <br \/>0-761345-20071-4<\/p>\n<p><b>Form Factor:<\/b> <br \/>ATX 12V 3.1 semi-modular<\/p>\n<p><b>Wattage:<\/b> <br \/>850 W continuous<\/p>\n<p><b>Efficiency:<\/b> <br \/>80 Plus Bronze (up to ~90%)<\/p>\n<p><b>ATX Standard:<\/b> <br \/>ATX 3.1<\/p>\n<p><b>PCIe Support:<\/b> <br \/>PCIe 5.1 native 12V 2&#215;6 GPU connector<\/p>\n<p><b>Protection Features (CircuitShield\u2122):<\/b> <br \/>OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO<\/p>\n<p><b>Cooling:<\/b> <br \/>120 mm silent fan with thermal manager fan speed control<\/p>\n<p><b>PFC:<\/b> <br \/>Active PFC<\/p>\n<p><b>Power Good Signal:<\/b> <br \/>100\u2013150 ms<\/p>\n<p><b>Input Voltage:<\/b> <br \/>200\u2013240 V AC, 12 A max, 50\u201360 Hz<\/p>\n<p><b>Dimensions (L x W x H):<\/b> <br \/>140 x 150 x 86 mm<\/p>\n<p><b>Net Weight:<\/b> <br \/>Approximately 1.95 kg<\/p>\n<p><b>Connectors:<\/b><br \/>1 x 24-pin ATX main<br \/>1 x 16-pin (12+4) PCIe 5.1 (12VHPWR, up to 600 W)<br \/>2 x 8-pin (4+4) CPU EPS<br \/>4 x 8-pin (6+2) PCIe<br \/>6 x SATA<br \/>3 x Molex<\/p>\n<p><b>Operating Temperature:<\/b> <br \/>0\u201340 \u00b0C<\/p>\n<p><b>Certifications:<\/b> <br \/>TUV, CB, RCM, CE, BIS, UKCA, KC<\/p>\n<p><b>Warranty:<\/b> <br \/>5 years<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply, PCIe 5.1 Ready with 12V 2&#215;6 Connector, 80 Plus Bronze Certified, Quiet 120mm Fan, 5-Year Warranty<\/p>\n","protected":false},"featured_media":147014,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[19126],"product_cat":[1024],"product_tag":[36918,6358,36919,22242,36914,36916,36922,32762,24236,27583,2268,36912,36921,36917,24232,36876,36875,22251,36915,22240,26586,24233,34247,36911,36913,24320,36920,24231],"class_list":{"0":"post-147013","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-antec","7":"product_cat-power-supplies","8":"product_tag-12-a-max","9":"product_tag-5-year-warranty","10":"product_tag-50-60-hzdimensions-l-x-w-x-h-140-x-150-x-86-mmnet-weight-approximately-1-95-kgconnectors1-x-24-pin-atx-main1-x-16-pin-124-pcie-5-1-12vhpwr","11":"product_tag-80-plus-bronze-certified","12":"product_tag-and-safe-power-delivery-its-compact-design","13":"product_tag-and-semi-modular-cables-make-installation-easy-and-improve-system-airflow-backed-by-a-5-year-warranty","14":"product_tag-antec-csk850-pro-850w-semi-modular-atx-3-1-power-supply","15":"product_tag-bis","16":"product_tag-cb","17":"product_tag-ce","18":"product_tag-efficient","19":"product_tag-it-supports-the-latest-graphics-cards-through-its-native-12v-2x6-12vhpwr-connector-featuring-80-plus-bronze-efficiency-and-advanced-circuitshield-protection","20":"product_tag-kcwarranty-5-years","21":"product_tag-nlocooling-120-mm-silent-fan-with-thermal-manager-fan-speed-controlpfc-active-pfcpower-good-signal-100-150-msinput-voltage-200-240-v-ac","22":"product_tag-opp","23":"product_tag-otp","24":"product_tag-ovp","25":"product_tag-pcie-5-1-ready-with-12v-2x6-connector","26":"product_tag-quiet-120-mm-fan-with-intelligent-thermal-control","27":"product_tag-quiet-120mm-fan","28":"product_tag-rcm","29":"product_tag-scp","30":"product_tag-sip","31":"product_tag-the-antec-csk850-pro-is-an-850-w-semi-modular-power-supply-designed-for-modern-gaming-and-high-performance-pcs-compliant-with-the-atx-3-1-standard-and-pcie-5-1-ready","32":"product_tag-this-psu-ensures-reliable","33":"product_tag-ukca","34":"product_tag-up-to-600-w2-x-8-pin-44-cpu-eps4-x-8-pin-62-pcie6-x-sata3-x-molexoperating-temperature-0-40-ccertifications-tuv","35":"product_tag-uvp","37":"first","38":"instock","39":"sold-individually","40":"purchasable","41":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product\/147013","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\/147014"}],"wp:attachment":[{"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/media?parent=147013"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product_brand?post=147013"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product_cat?post=147013"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/buildit.im\/store\/index.php\/wp-json\/wp\/v2\/product_tag?post=147013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}