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Description
Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply, PCIe 5.1 Ready with 12V 2x6 Connector, 80 Plus Bronze Certified, Quiet 120mm Fan, 5-Year WarrantyThe Antec CSK850 PRO is an 850 W semi modular power supply designed for modern gaming and high performance PCs. Compliant with the ATX 3. 1 standard and PCIe 5. 1 ready, it supports the latest graphics cards through its native 12V 2x6 (12VHPWR) connector. Featuring 80 Plus Bronze efficiency and advanced CircuitShield protection, this PSU ensures reliable, efficient, and safe power delivery. Its compact design, quiet 120 mm fan with intelligent thermal
The Antec CSK850 PRO is an 850 W semi-modular power supply designed for modern gaming and high-performance PCs. Compliant with the ATX 3.1 standard and PCIe 5.1 ready, it supports the latest graphics cards through its native 12V 2x6 (12VHPWR) connector. Featuring 80 Plus Bronze efficiency and advanced CircuitShield™ protection, this PSU ensures reliable, efficient, and safe power delivery. Its compact design, quiet 120 mm fan with intelligent thermal control, and semi-modular cables make installation easy and improve system airflow. Backed by a 5-year warranty, it is a future-proof choice for demanding PC builds.Full Specifications
Model:
CSK850 PRO
MPN:
0-761345-20071-4
Form Factor:
ATX 12V 3.1 semi-modular
Wattage:
850 W continuous
Efficiency:
80 Plus Bronze (up to ~90%)
ATX Standard:
ATX 3.1
PCIe Support:
PCIe 5.1 native 12V 2x6 GPU connector
Protection Features (CircuitShield™):
OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
Cooling:
120 mm silent fan with thermal manager fan speed control
PFC:
Active PFC
Power Good Signal:
100–150 ms
Input Voltage:
200–240 V AC, 12 A max, 50–60 Hz
Dimensions (L x W x H):
140 x 150 x 86 mm
Net Weight:
Approximately 1.95 kg
Connectors:
1 x 24-pin ATX main
1 x 16-pin (12+4) PCIe 5.1 (12VHPWR, up to 600 W)
2 x 8-pin (4+4) CPU EPS
4 x 8-pin (6+2) PCIe
6 x SATA
3 x Molex
Operating Temperature:
0–40 °C
Certifications:
TUV, CB, RCM, CE, BIS, UKCA, KC
Warranty:
5 years
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 5
Simplicitic, fast, and amazing quality
Size: 6FT
It made a big difference from wireless connection to wired connection. Definitely worth it for online gaming and casual movie nights. A good amount of thickness that doesn't tangle when installing and pretty easy to use. I would buy again for future devices. 10/10
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Reviewed in the United States on April 1, 2026
★★★★★ 5
Bridging USB-C hub for Mac.
Style: 10-in-1【1 HDMI+1 VGA】
Best USB C hub for a Mac. It also has interface that bridges the technology crossover for the boomers and millennials 🙂 (SD, Micro SD, RJ45, 3.5 mm audio)
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Every day essential
Style: 10-in-1【1 HDMI+1 VGA】
I love it. It’s very useful for my computer. It is very well built and is durable the connection seems lose but works very well. Very easy to use. And pretty quick. I use it for my mouse and keyboard. It works very well without any noticable delay. I do not know if it can charge a computer. Mine does not use it to charge. But it works perfectly and would totally buy again
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Reviewed in the United States on December 1, 2025
★★★★★ 4
VGA compatibility issues
Style: 10-in-1【1 HDMI+1 VGA】
My Asus laptop could not sync the display scaling properly with a Samsung 1280 x 1024 VGA monitor connected via the hub. So compatibility is not universal. Seems great otherwise.
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Reviewed in the United States on June 6, 2026
★★★★★ 5
Good durability
Style: 10-in-1【1 HDMI+1 VGA】
I had the 8 in 1, but realized I needed one more usb hub for my current setup when using dual screens, scanner, printer, and drives, this seems to do well, is a bit heavier than the previous model as expected. Good material and easy to unmount quickly from the computer. Works with usb c connections so perfect for my Surface Pro 9.
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Reviewed in the United States on December 15, 2025