# Power supply ANTEC CSK850 Pro ATX3.1 850W

**URL:** https://aio.lv/en/product--antec-0-761345-20069-1--11510546
**Data updated:** 2026-02-15 12:44 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** ANTEC
**Manufacturer code:** 0-761345-20069-1
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 109.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 90.90 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--antec-0-761345-20069-1--11510546

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.89 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

ANTEC CSK850 Pro is a desktop power supply in ATX3.1 form factor with 850W nominal output. It provides mains-to-system power for gaming PCs and workstations requiring an 850W PSU compatible with ATX3.1 standards. Suitable for high-load systems, it ensures stable power delivery for CPUs and GPUs and supports reliable operation under typical desktop workloads.

## Long description

ANTEC CSK850 Pro ATX3.1 850W is a desktop power supply designed to deliver stable mains-to-system power for gaming PCs and workstations. Built to the ATX3.1 form factor, this 850W unit supports modern desktop components and provides continuous power delivery suitable for high-load configurations. The design focuses on reliable voltage regulation and cooling to maintain steady operation under sustained CPU and GPU demand.
Advantages
The ANTEC CSK850 Pro offers an 850W rated output within the ATX3.1 standard, providing compatibility with contemporary motherboards and power delivery requirements. The unit emphasizes consistent voltage regulation, efficient power conversion and thermal management to reduce the risk of performance throttling in demanding workloads. Cable connectivity and connector types are arranged to support multiple PCIe and motherboard power inputs common in high-performance systems.
Suitable for
 Gaming desktops with mid-to-high power GPUs
 Workstations running rendering or simulation tasks
 PC builds that require ATX3.1 compatibility
 Systems with multiple drives and expansion cards
Key specifications
 Form factor: ATX3.1 desktop power supply
 Nominal output power: 850 W
 Input: AC mains voltage range suitable for desktop use (auto-switching)
 Efficiency class: designed for efficient power conversion (meets modern PSU efficiency expectations)
 Cooling: active fan cooling optimized for continuous load
 Protection features: over-voltage, under-voltage, over-current and short-circuit protections
 Connectors: multiple PCIe connectors and standard motherboard power connectors to support high-performance components
How to use
Install the ANTEC CSK850 Pro in a compatible ATX3.1 chassis following the motherboard and case manufacturer guidance. Connect the main 24‑pin motherboard cable, CPU power cable(s), and required PCIe power connectors to the graphics card(s). Attach SATA and peripheral power cables to storage devices and other internal components. Ensure all connections are secure, set the PSU switch (if present) to the correct mains position, and verify that the system is properly grounded before powering on.
Usage recommendations
Place the power supply in a case with sufficient airflow, keep intake and exhaust paths clear of obstructions, and use a surge protector or UPS for added mains protection. For systems with high sustained loads, monitor operating temperatures and consider periodic dust cleaning to maintain cooling performance. Confirm that the total system power draw stays within the 850W rating, allowing headroom for peak loads and future upgrades.

## FAQ

### How much does the Power supply ANTEC CSK850 Pro 850W cost, and is it available for purchase?

The price is 109.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 9 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 24.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All ANTEC products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized ANTEC service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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