Zoom
















Introducing our CSK Pro ATX3.1 semi-modular power supply, designed with quality, efficiency, and performance. The CircuitShieldTM suite of industrial-grade protections ensure the power delivered to your system is safe and reliable in any environment. Advancing with ATX 3.1 & PCIe 5.1 compatibility, featuring 80 PLUS BRONZE certification, and coming with Antec’s 5-year warranty, CSK Pro ATX3.1 provides you the impressive price-performance ratio.
Our new CSK Pro ATX3.1 power supplies are certified for ATX 3.1 compliance, meeting the high standards for reliability and power efficiency, and ensuring the utmost level of quality and performance. The included PCIe 5.1 12V-2x6 GPU cable enables seamless compatibility with the latest graphics cards, such as the NVIDIA® GeForce RTX™ 40 Series.
Delivering up to 90% efficiency, CSK850 Pro ATX3.1 gives you a cooler and quieter system, powered by the guaranteed 850W of Continuous Power.
The full suite of industrial-grade protections includes OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO, ensuring the safety and reliability of your power supply in any situation.
Antec commits a 5-year warranty and offers our quality tech support and customer service.
The whisper-quiet 120mm fan provides high airflow with the durability and longevity that is a Antec signature.
Thermal Manager, an advanced low voltage fan control for optimal heat & noise management, allows your PSU to stay at the optimal temperature.
Semi-modular cable system allows users to use only the necessary cables and eliminates cable clutter that can obstruct and compromise airflow.
Compared to large power supplies on the market,
it is smaller in size and can be used with a wider range of computer cases.
| Model Name | CSK850 PRO ATX3.1 |
| Model Number | V5000A209A-23 |
| Type | ATX 12V 3.1 |
| Dimension | 140(L)*150(W)*86(H) |
| Modular | Semi-Modular |
| Input Voltage | 200V-240V |
| 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 |
| Output Capacity | 850W |
| Operation Temperature | 0~40°C |
| Regulatory | TUV / CB / RCM / CE / BIS / UKCA / KC |
| Fan | 120mm Silent Fan |
| Certifications | 80 Plus Bronze 230V EU |
| Connector | 1 x 24 (20+4) pin MB 1 x 16 (12+4) pin PCIE 5.1 12V-2x6 (600W) 2 x 8 (4+4) pin CPU 4 x 8 (6+2) pin PCI-E 6 x SATA 3 x Molex |
| Box Dimensions | 296.5(L) x 203(W) x 130(H) mm |
| Net Weight | 1.95 Kg |
| Gross Weight | 2.47 Kg |
| Warranty | 5 Years |
| Note | *** Images are for Representation purpose only *** Features, Price, Specifications are subject to change without notice. |
Brain Tech PC operated by Nishi Infotek LLP ships to almost all pin codes across India. We use reliable courier partners to ensure your order reaches you safely and on time.
We offer Free Shipping on most prepaid orders across India.
If a specific shipping charge applies to a small order or a remote area, it will be calculated and displayed at checkout before you make a payment.
There are no hidden charges. The total price shown at checkout is the final price.
Processing Time: Orders are usually processed and packed within 1 to 2 business days (Monday to Saturday).
Order Cut-off Time: Orders placed after 2:00 PM IST will be processed on the next business day.
Custom PCs: For Custom PC builds, please allow an additional 2-3 days for assembly and stress testing before dispatch.
Transit Time: Once shipped, the estimated delivery time is 2 to 4 business days depending on your location.
Total Delivery Time: You can expect to receive your order within 3 to 6 business days from the date of purchase.
Metro Cities: 3-4 Days
Rest of India: 4-6 Days
Remote Areas: May take slightly longer.
(Note: Delivery timelines may be impacted by public holidays, extreme weather, or courier delays beyond our control.)
We ship using trusted carriers to ensure the safety of high-value electronics:
Blue Dart
Delhivery
DTDC
Amazon Shipping
Once your order is shipped, you will receive an email and SMS with the Tracking Number and the courier company's link. You can track your package live to know the expected delivery date.
IMPORTANT:
Do not accept the package if the seal is broken, tampered with, or damaged.
Video Recording: We highly recommend making an unboxing video (without cuts) when opening your package. This is mandatory proof if you receive a damaged product or missing accessories.
If you face any issues, contact us immediately at +91 9146194675 or contact@braintechpc.in.
Currently, we do not ship internationally. We ship only within India.
If you have any questions about your shipment, please contact us:
Phone: +91 9146194675
Email: contact@braintechpc.in
Address: 1st Floor, 103, Prakashdeep Apartment, Station Road, O.T Section, Ulhasnagar, Maharashtra 421002, India
Wishlist is empty.