# Power supply unit Antec SIGNATURE CSK1000 PRO ATX3.1 1000 W, 20+4 pin ATX, 80 PLUS Bronze, 120 mm fan

**URL:** https://aio.lv/en/product--antec-0-761345-20073-8--11510547
**Data updated:** 2025-12-31 08:38 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** ANTEC
**Manufacturer code:** 0-761345-20073-8
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 71.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 59.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--antec-0-761345-20073-8--11510547

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

Antec SIGNATURE CSK1000 PRO is an ATX3.1 power supply unit delivering 1000 W total power for desktop PC or server builds. It supports a 20+4 pin ATX motherboard connector, operates on 200–240 V AC at 50 Hz, and carries 80 PLUS Bronze efficiency. The unit features a 120 mm cooling fan and compact ATX dimensions (150 × 140 × 86 mm). Suitable for high-load systems requiring stable power delivery.

## Long description

Antec SIGNATURE CSK1000 PRO ATX3.1 is a semi-modular power supply unit designed for desktop PC and server builds that require reliable 1000 W continuous power. It is ATX 3.1 and PCIe 5.1 compatible, includes a 20+4 pin ATX motherboard connector and a PCIe 12V-2x6 GPU cable for modern graphics cards, and is 80 PLUS Bronze certified for efficient operation. The unit uses a 120 mm cooling fan and fits standard ATX dimensions for compact installation.
Advantages
The CSK1000 PRO provides stable 1000 W continuous output with industrial-grade CircuitShield protections to safeguard components. ATX 3.1 and PCIe 5.1 compatibility ensure support for current platform power requirements, while 80 PLUS Bronze certification delivers improved energy efficiency and reduced heat. A semi-modular layout simplifies cable management and the included 120 mm fan contributes to quieter cooling.
Suitable for
High-load desktop gaming PCs with modern GPUs (e.g., NVIDIA GeForce RTX 40 Series)
Workstations and content-creation rigs requiring sustained power delivery
Small-form-factor ATX builds that need a compact 1000 W PSU
Home servers and prosumer servers operating on 200–240 V, 50 Hz
Key specifications
Total power: 1000 W continuous
Input voltage/frequency: 200–240 V AC, 50 Hz
Motherboard connector: 20+4 pin ATX
Efficiency certification: 80 PLUS Bronze (up to ~90% efficiency)
PCIe compatibility: PCIe 5.1 (12V-2x6 GPU cable included)
Fan diameter: 120 mm
Form factor / dimensions: ATX (150 × 140 × 86 mm)
How to use
Install the CSK1000 PRO into a compatible ATX case using the standard PSU mounting points. Connect the 20+4 pin ATX cable to the motherboard and attach the provided PCIe 12V-2x6 cable to supported graphics cards. Use the semi-modular cables only as needed to reduce clutter; ensure all connections are secure before powering on. Verify input voltage is set to the correct range (200–240 V) and place the PSU so the 120 mm fan has adequate airflow.
Usage recommendations
For best results, pair this PSU with components whose combined peak power draw remains within the unit’s continuous 1000 W rating, keep the system in a well-ventilated case, and follow Antec’s 5-year warranty and safety guidelines for installation and operation.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 1000 W |
| Power protection features | No load operation, Over power, Over voltage, Surge & inrush protection (SIP), Under voltage |
| Input current | 6 |
| AC input frequency | 50 |
| AC input voltage | 200 - 240 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 6 |
| Peripheral (Molex) power connectors (4-pin) | 3 |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC/Server |
| 80 PLUS certification | 80 PLUS Bronze |
| ATX version | 3.1 |
| Power supply unit (PSU) form factor | ATX |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 120 mm |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 86 mm |
| Width | 150 mm |
| Depth | 140 mm |

## FAQ

### How much does the Antec SIGNATURE CSK1000 PRO PSU 1000 W cost, and is it available for purchase?

The price is 71.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 24 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 09.07.2026 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, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Antec SIGNATURE CSK1000 PRO PSU 1000 W be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: total power, motherboard power connector, 80 plus certification, fan diameter, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11510547/66952115_large.webp