SKU: 88632622917

Antec CSK 850W Pro Semi-Modular ATX 3.1 Power Supply

Sale price$659.15 Regular price$732.39
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Description

Antec CSK 850W Pro Semi-Modular ATX 3.1 Power SupplyThe Antec CSK 850W Pro PCle5. 1 Gen5 80 Plus Bronze Semi Modular Power Supply offers a powerful blend of efficiency, performance, and reliability, making it an ideal choice for modern gaming and professional PC builds. Certified for ATX 3. 1 and PCIe 5. 1 standards, this PSU is designed to meet the rigorous demands of cutting edge hardware, including seamless compatibility with NVIDIA GeForce RTX 40 Series GPUs via its 12V 2x6 PCIe 5. 1 GPU cable.

The Antec CSK 850W Pro PCle5.1 Gen5 80 Plus Bronze Semi-Modular Power Supply offers a powerful blend of efficiency, performance, and reliability, making it an ideal choice for modern gaming and professional PC builds. Certified for ATX 3.1 and PCIe 5.1 standards, this PSU is designed to meet the rigorous demands of cutting-edge hardware, including seamless compatibility with NVIDIA® GeForce RTX™ 40 Series GPUs via its 12V-2x6 PCIe 5.1 GPU cable. With its 850W of Continuous Power and 80 PLUS® Bronze certification, the CSK Pro delivers up to 90% energy efficiency, ensuring a cooler, quieter, and more cost-effective system.

Engineered for durability and safety, the CSK Pro features Antec’s CircuitShield™ suite of industrial-grade protections, including safeguards like OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO, providing robust defense against potential electrical issues. Its 120mm silent fan, paired with the Thermal Manager low voltage fan control system, optimizes airflow and temperature management, allowing for quiet and stable operation even under heavy loads. The compact design of this PSU makes it compatible with a wide range of PC cases, offering versatility for diverse build configurations.

The semi-modular cable system of the CSK Pro enables a streamlined setup, reducing cable clutter and enhancing internal airflow for improved system cooling. This thoughtful design not only ensures better organization but also contributes to a cleaner overall aesthetic. Backed by Antec’s 5-year warranty, the CSK 850W Pro delivers exceptional value and reliability, making it a top-tier choice for users seeking high-quality power delivery for their advanced systems.

Features:

ATX 3.1 & PCIe 5.1 Compatible
80 Plus® Bronze Certified
120mm Silent Fan
Thermal Manager
Better cable management and airflow
Compact Size

Specifications:

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 MB1 x 16 (12+4) pin PCIE 5.1 12V-2x6 (600W)2 x 8 (4+4) pin CPU4 x 8 (6+2) pin PCI-E6 x SATA3 x Molex
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
Product Dimensions 29.65 x 20.3 x 13.0 cm

What’s In The Box:

  • Antec CSK 850W Pro PCle5.1 Gen5 80 Plus Bronze Semi-Modular Power Supply - Black x1
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 88632622917

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BIR GAZMER
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★★★★★ 5
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Reviewed in the United States on May 13, 2026
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Lake Worth, US
★★★★★ 5
Perfect size
Color: Vanilla/Acorn
Perfect size . This will hold everything you need. It’s not too small not too big
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Janet Becraft
Massapequa, US
★★★★★ 5
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Color: Vanilla/Acorn
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Reviewed in the United States on April 30, 2026
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Holy Cow
Lake Worth, US
★★★★★ 5
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This crossbody bag has a clean, classic look that works well for everyday use, errands, travel, or casual outfits where you want something more polished than a basic purse. The north-south shape gives it a slim profile, so it does not feel overly bulky, but it still has enough room for daily essentials like a phone, wallet, keys, small cosmetics, cards, and other small items. The zipper closure is a practical feature because it keeps everything more secure than an open-top bag, especially when walking around, shopping, or traveling. The front and back zippered pockets are also useful for items you want quick access to, like a phone, receipt, lip balm, or transit card. I like that the layout keeps the bag organized without making it feel complicated. The material is mostly PVC with some polyester and polyurethane, so it has more of a coated designer-bag feel rather than soft genuine leather. That makes it easier to wipe clean and more resistant to everyday marks, but buyers should know they are paying more for the brand/style than for leather construction. The bag feels structured and presentable, but it may not have the same long-term aging or softness as a real leather crossbody. For comfort, the crossbody style is convenient because it keeps your hands free and distributes weight better than carrying a small handbag by hand. It is best for people who want a stylish everyday bag, not someone looking for a large tote or something that can carry bulky items. For pricing, similar branded crossbody bags usually range from about $80–$200, depending on the brand, size, material, and whether it is leather or coated canvas/PVC. At around $180, this is on the premium side for a PVC-blend crossbody, but it is fairly typical for the Michael Kors price range. Overall, it feels worth considering if you like the style and brand name, but value-focused buyers may want to compare sale prices or color options before paying full price.
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