The Antec CSK1000 PRO is a high-performance 1000?W continuous-output power supply unit (PSU). fully compliant with ATX?3.1 and supporting PCIe?5.1 standards. Designed for modern systems. it delivers up to 90% efficiency under typical loads (80?PLUS Bronze certified). and features a semi-modular cable design for improved airflow and simplified cable management.Key FeaturesCompliant with ATX 3.1 and PCIe 5.1. including a dedicated 12V-2×6 GPU connector capable of delivering up to 600?W.1000?W continuous power output with a powerful single +12?V rail delivering up to 83.3?A.Up to 90% efficiency under typical loads. meeting 80?PLUS Bronze (230V EU) standards.CircuitShield™ protection suite with protections including OCP. OVP. UVP. OPP. OTP. SCP. SIP. and NLO.Equipped with a 120?mm silent fan featuring intelligent thermal management for optimal balance of cooling and quiet operation.Semi-modular design for cleaner builds—essential cables are fixed. while others are detachable.Compact form factor measuring 140?×?150?×?86?mm; net weight approximately 2.02?kg.Backed by a 5-year warranty.Technical SpecificationsElectrical PerformanceParameterSpecificationMax Output1000?W Continuous+12?V Rail83.3?AInput Voltage200–240?V ACInput CurrentUp to 6?AFrequency Range50–60?HzPower Factor CorrectionActive PFCPower Good Signal100–150?msOperating Temperature0–40?°CEfficiencyUp to 90%Cooling & Acoustics120?mm silent fanIntelligent speed control for optimized noise and temperature levelsProtection Features (CircuitShield™)Over Voltage Protection (OVP)Over Current Protection (OCP)Under Voltage Protection (UVP)Over Power Protection (OPP)Over Temperature Protection (OTP)Short Circuit Protection (SCP)Surge & Inrush Protection (SIP)No Load Operation Protection (NLO)Connectors1 × 24-pin main motherboard connector2 × 8-pin EPS (4+4) for CPU4 × 8-pin PCIe (6+2) for GPUs1 × 16-pin PCIe 5.1 (12V-2×6)6 × SATA power connectors3 × Molex peripheral connectorsPhysical Dimensions & WeightPSU Size: 140?×?150?×?86?mmBox Size: 296.5?×?203?×?130?mmNet Weight: ~2.02?kgGross Weight: ~2.55?kgCertifications80 PLUS Bronze (230?V EU)Safety approvals: TUV. CB. CE. RCM. BIS. KC. UKCAIn the BoxAntec CSK1000 PRO PSUPower cableModular cablesMounting screwsUser manual