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 Features
Compliant 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 Specifications
Electrical Performance
Parameter Specification
Max Output 1000?W Continuous
+12?V Rail 83.3?A
Input Voltage 200?240?V AC
Input Current Up to 6?A
Frequency Range 50?60?Hz
Power Factor Correction Active PFC
Power Good Signal 100?150?ms
Operating Temperature 0?40?°C
Efficiency Up to 90%

Cooling & Acoustics
120?mm silent fan

Intelligent speed control for optimized noise and temperature levels

Protection 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)

Connectors
1 × 24-pin main motherboard connector
2 × 8-pin EPS (4+4) for CPU
4 × 8-pin PCIe (6+2) for GPUs
1 × 16-pin PCIe 5.1 (12V-2×6)
6 × SATA power connectors
3 × Molex peripheral connectors

Physical Dimensions & Weight
PSU Size: 140?×?150?×?86?mm
Box Size: 296.5?×?203?×?130?mm
Net Weight: ~2.02?kg
Gross Weight: ~2.55?kg

Certifications
80 PLUS Bronze (230?V EU)

Safety approvals:
TUV, CB, CE, RCM, BIS, KC, UKCA

In the Box
Antec CSK1000 PRO PSU
Power cable
Modular cables
Mounting screws
User manual