Antec CSK1000 PRO 1000W Semi-Modular ATX 3.1 Power Supply
The Antec CSK1000 PRO is a high-performance 1000W 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-26 GPU connector capable of delivering up to 600W.
1000W continuous power output with a powerful single +12V rail delivering up to 83.3A.
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.
Backed by a 5-year warranty.
- Tech Specs
- Custom Order
Technical Specifications
Electrical Performance
Parameter Specification
Max Output 1000?W Continuous
+12V Rail 83.3A
Input Voltage 200–240V AC
Input Current Up to 6A
Frequency Range 50–60Hz
Power Factor Correction Active PFC
Power Good Signal 100–150ms
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 x 24-pin main motherboard connector
2 x 8-pin EPS (4+4) for CPU
4 x 8-pin PCIe (6+2) for GPUs
1 x 16-pin PCIe 5.1 (12V-2x6)
6 x SATA power connectors
3 x Molex peripheral connectors
Physical Dimensions & Weight
PSU Size: 140?x?150?x?86?mm
Box Size: 296.5?x?203?x?130?mm
Net Weight: ~2.02?kg
Gross Weight: ~2.55?kg
Certifications
80 PLUS Bronze (230V 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















