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PS-A850CSK

Antec CSK 850W Pro PCI-e 5.1 Gen5 80 Plus Bronze Semi-Modular Power Supply

ANTEC - Antec CSK 850W Pro PCI-e 5.1 Gen5 80 Plus Bronze Semi-Modular Power Supply, Active PFC, 120mm Silent fan, 80 Plus Bronze 230V EU, 1x 24 (20+4) pin MB, 1x 16 (12+4) pin PCI-e 5.1 12V-2 x 6 (600W), 2x 8 (4+4) pin CPU, 4x 8 (6+2) pin PCI-e, 6x SATA, 3x Molex
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Specials
Prices, images and descriptions are for reference purposes only & may change without prior notice. PLEASE RELY ON ABOVE DESCRIPTIONS AND NOT ON IMAGES. PS-A850CSK Antec CSK 850W Pro PCI-e 5.1 Gen5 80 Plus Bronze Semi-Modular Power Supply is available from Laptop Direct and it is sold as new from our Power supply unit / PC PSU range of products. For reference purposes, the price of R1285 is valid 2026-10-09, and while stocks last, may be valid until . The price displayed is a guide for reference purposes only, and may change without prior notice. Reference prices are an invitation for potential buyers to make an offer to purchase, which we may reject without reason. A quote with final pricing is sent before a purchase can be made. T&C's apply. E&OE. Laptop Direct. You are looking at products found in the Power supply unit / PC PSU category.
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Specification for the entire series

Important information: Kindly note that specifications differ between models. Features, options and accessories displayed below this paragraph are not included with this product unless it has been specified in the above description.


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PS-A850CSK

Antec CSK 850W Pro PCI-e 5.1 Gen5 80 Plus Bronze Semi-Modular Power Supply

Antec CSK 850W Pro PCI-e 5.1 Gen5 80 Plus Bronze Semi-Modular Power Supply, Active PFC, 120mm Silent fan, 80 Plus Bronze 230V EU, 1x 24 (20+4) pin MB, 1x 16 (12+4) pin PCI-e 5.1 12V-2 x 6 (600W), 2x 8 (4+4) pin CPU, 4x 8 (6+2) pin PCI-e, 6x SATA, 3x Molex

Overview Summary:

The Antec CSK 850W Pro PCIe 5.1 Semi-Modular Power Supply offers reliable, high-efficiency power for modern gaming and professional PC builds. With its 850W output and 80 Plus Bronze certification, this PSU ensures stable performance while keeping energy consumption low. The semi-modular design allows for cleaner cable management and improved airflow, while the 120mm silent fan keeps the system cool during demanding tasks. Shop now to power your PC build with confidence.

Backed by Antec's CircuitShield protection suite, this power supply safeguards your components from electrical hazards, ensuring long-term reliability. Compact and versatile, it fits most PC cases, making it an excellent choice for both gamers and professionals looking for durable and efficient power solutions. Buy now and experience a quieter, safer, and more stable computing setup.

What tier does this fall into?

High-efficiency

What is this best for?

Gaming PCs, professional workstations, content creation, graphic design, heavy computing tasks

Overview:

Antec CSK 850W Pro PCIe 5.1 Gen5 Semi-Modular Power Supply
The Antec CSK 850W Pro PCIe 5.1 Gen5 Semi-Modular Power Supply delivers reliable, high-efficiency power for modern gaming rigs and professional PC builds. Designed for ATX 3.1 and PCIe 5.1 standards, this PSU ensures seamless compatibility with the latest GPUs, including NVIDIA GeForce RTX 40 Series, and supports stable performance under heavy loads. Its combination of 850W continuous power and 80 PLUS Bronze certification provides energy-efficient operation while reducing heat and noise for a smoother computing experience.

Description:

This power supply is engineered to optimize system performance and longevity. Its semi-modular design allows for flexible cable management, reducing clutter and improving airflow. Antec's CircuitShield protection suite safeguards your components against electrical hazards, while the 120mm silent fan and Thermal Manager system maintain low operating temperatures. Compact and versatile, it fits a variety of PC cases and is backed by a 5-year Warranty for long-term reliability.

Features:

High-Efficiency Power and Performance
The CSK 850W Pro provides 850W of continuous power with 80 PLUS Bronze efficiency, delivering up to 90% energy savings. Whether for gaming or professional applications, it ensures stable voltage delivery and minimal energy waste. Its design is optimized for the latest hardware, supporting PCIe 5.1 graphics cards through a dedicated 12V-2x6 connector.

Advanced Protection for Your PC
Safety is a priority with Antec's CircuitShield suite. This PSU includes comprehensive protection mechanisms such as over-current, over-voltage, under-voltage, short-circuit, over-power, over-temperature, surge, and noise protection. These safeguards prevent damage to your components, ensuring your system remains reliable under any conditions.

Quiet Operation and Temperature Control
The integrated 120mm silent fan, combined with the Thermal Manager low-voltage fan control, keeps the PSU cool without generating unnecessary noise. This allows for uninterrupted performance even during demanding tasks or extended gaming sessions.

Convenient Semi-Modular Design
The semi-modular cable system simplifies installation and improves airflow within your case. Users can connect only the cables they need, creating a cleaner build and enhancing overall cooling efficiency.

Compact and Compatible
Its compact form factor ensures compatibility with a wide range of PC cases, giving builders flexibility without compromising performance.

What You Receive

  • Antec CSK 850W Pro PCIe 5.1 Gen5 Semi-Modular Power Supply - Black x1


Specifications:

© 2025 Respective owners and brand holders. This table has been carefully researched and generated by Laptop Direct CC (https://www.laptopdirect.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered.
Specificationsspacer
Product CodePS-A850CSKspacer
Modularity Semi-Modular
Output Capacity 850W
Input Voltage 200-240 V
Input Current 5A Max
Input Frequency Range 50Hz
PFC Active PFC
Power Good Signal 100-150ms
Protection OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
Regulatory TUV / CB / RCM / CE / BIS / UKCA / KC
Fan 120mm Silent Fan
Certifications 80 Plus Bronze 230V EU
Connectors 1 x 24 (20+4) pin MB
1 x 16 (12+4) pin PCIE 5.1 12V-2 x 6 (600W)
2 x 8 (4+4) pin CPU
4 x 8 (6+2) pin PCI-E
6 x SATA
3 x Molex
Product Dimensions 29.65 x 20.3 x 13.0 cm

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