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