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
ParameterSpecification
Max Output1000?W Continuous
+12?V Rail83.3?A
Input Voltage200–240?V AC
Input CurrentUp to 6?A
Frequency Range50–60?Hz
Power Factor CorrectionActive PFC
Power Good Signal100–150?ms
Operating Temperature0–40?°C
EfficiencyUp 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