Antec CSK850 PRO 850W Semi-Modular Power Supply
Antec CSK850 PRO 850W Semi-Modular Power Supply
SKU:PSA-CSK850-PRO
The Antec CSK850 PRO is an 850W semi-modular power supply designed for high-performance gaming and workstation builds. Featuring ATX 3.1 and PCIe 5.1 compatibility, 80 PLUS Bronze certification, and a 5-year warranty, it delivers reliable power for RTX 40 Series graphics cards and modern systems.
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Product Information
| Brand | Antec |
|---|---|
| Category | Power Supplies |
| SKU | PSA-CSK850-PRO |
| Availability | Out of Stock |
Overview
- The Antec CSK850 PRO is a purpose-built power supply for modern high-performance systems. With 850W of stable power delivery and 80 PLUS Bronze certification, it efficiently supports demanding graphics cards like the NVIDIA GeForce RTX 40 Series. The semi-modular cable design keeps your build clean while maintaining quick access to frequently connected power rails.
ATX 3.1 and PCIe 5.1 compliance ensures compatibility with current and next-generation components. The CircuitShield protection suite—featuring OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO—safeguards your entire system against power anomalies. High-quality Japanese capacitors and integrated thermal management deliver quiet, stable operation under load.
Backed by Antec's 5-year warranty and local Australian support, the CSK850 PRO combines cutting-edge standards with proven reliability, making it an intelligent choice for builders and IT professionals who demand both performance and peace of mind.
Specifications
| Power Output | 850W |
|---|---|
| Certification | 80 PLUS Bronze |
| Form Factor | ATX |
| ATX Standard | ATX 3.1 |
| PCIe Standard | PCIe 5.1 |
| Cable Type | Semi-Modular |
| 24-Pin ATX Motherboard Connectors | 1 |
| 16-Pin PCIe 5.1 12V-2x6 Connectors (600W) | 1 |
| 8-Pin PCIe 4+4 Connectors | 2 |
| 8-Pin PCIe 6+2 Connectors | 4 |
| SATA Power Connectors | 6 |
| Molex 4-Pin Connectors | 3 |
| Protection Features | OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO |
| Capacitor Quality | Japanese |
| Noise Level | Whisper Quiet |
| Warranty | 5 Years |
Key Features
Ideal For
FAQs
Is the Antec CSK850 PRO suitable for RTX 40 Series graphics cards?
Yes. The CSK850 PRO features ATX 3.1 and PCIe 5.1 compatibility, including a dedicated 16-pin PCIe 5.1 12V-2x6 GPU cable rated for 600W, making it fully compatible with NVIDIA GeForce RTX 40 Series cards.
What makes this a semi-modular power supply?
Semi-modular means the 24-pin motherboard, 8-pin CPU, and some PCIe cables are permanently attached for stability, while GPU and SATA cables are detachable. This reduces cable clutter while maintaining essential connections.
What is 80 PLUS Bronze certification?
80 PLUS Bronze means the power supply operates at 80% efficiency or higher under typical load conditions, reducing wasted energy and heat output while lowering electricity costs.
What protection features does the CSK850 PRO include?
The CircuitShield protection suite includes 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), and NLO (No Load Operation).
How long is the warranty?
The Antec CSK850 PRO comes with a comprehensive 5-year warranty backed by Antec's Australian technical support team.
Is the CSK850 PRO future-proof?
Yes. ATX 3.1 and PCIe 5.1 compliance ensure compatibility with current and next-generation components, providing longevity for your investment.
