Antec CSK1000 PRO ATX3.1 1000W 80+ Bronze Semi-Modular Power Supply – Native 12V-2x6 (12VHPWR) PCIe 5.1 Connector, 120mm Silent Fan, ATX 3.1 Compliant, 5-Year Warranty

General Information

• Model: CSK1000 PRO ATX3.1
• Form Factor: ATX 12V 3.1
• Output Capacity: 1000W
• Efficiency Certification: 80 PLUS Gold (230V EU)
• Modularity: Fully Modular
• Warranty: 10 years

Electrical & Safety

• PFC: Active PFC
• Input Voltage: 200–240V
• Input Frequency: 50Hz
• Protections (CircuitShield™):
  • OCP (Over-Current Protection)
  • OVP (Over-Voltage Protection)
  • UVP (Under-Voltage Protection)
  • SCP (Short-Circuit Protection)
  • OPP (Over-Power Protection)
  • OTP (Over-Temperature Protection)
  • SIP (Surge Input Protection)
  • NLO (No-Load Operation)
• Power Good Signal: 100–150ms

Cooling

• Fan: 135mm Fluid Dynamic Bearing (FDB) fan
• Zero-RPM Mode: Supported (fan stops at low loads for silent operation)

Connectors

• Motherboard: 1 × 24-pin (20+4)
• PCIe (ATX 3.1): 1 × 16-pin (12V-2×6, supports up to 600W for next-gen GPUs)
• CPU Power: 2 × 8-pin (4+4)
• PCIe (Legacy): 6 × 8-pin (6+2)
• SATA: 10 × SATA
• Molex: 4 × Molex

Physical Specifications

• Dimensions (L × W × H): 160 × 150 × 86 mm
• Net Weight: ~2.3 kg (estimated based on class)
• Cable Lengths:
  • PCIe (ATX 3.1 16-pin): ≥600mm
  • CPU 8-pin: ≥800mm
  • All modular cables feature flat, flexible design for clean routing

Certifications

• Regulatory: CE, CB, TÜV, RCM, BIS, UKCA, KC
• Safety & Reliability: Industrial-grade protection suite (CircuitShield™)