# Power Supply Unit Chieftec CSN-650C 650 W

**URL:** https://aio.lv/en/product--chieftec-csn-650c--502783
**Data updated:** 2026-01-13 15:24 (EET)
**Category:** Power Supplies (PSU)
**Manufacturer:** CHIEFTEC
**Manufacturer code:** CSN-650C
**EAN:** 4710713235779
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 103.49 €
**Prices and availability valid until:** 2026-07-08 23:59
**Price without VAT (21%):** 85.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--chieftec-csn-650c--502783

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

The Chieftec CSN-650C is a fully-modular power supply unit with a total power of 650 W, designed for PC use. It features a 20+4 pin ATX motherboard power connector and is compliant with 80 PLUS Gold certification, ensuring high efficiency. The unit operates on an AC input voltage of 100 - 240 V and frequency of 47 - 63 Hz. It comes in a sleek black color with a single 8 cm fan for effective cooling. Certified with RoHS compliance, this PSU is a reliable choice for your system.

## Long description

The Chieftec CSN-650C 650 W is a fully-modular power supply unit for desktop PCs, delivering a maximum continuous output of 650 W. It is certified 80 PLUS Gold and rated for approximately 90% efficiency under typical loads, operating from an AC input range of 100–240 V and 47–63 Hz. The unit uses a 20+4 pin ATX motherboard power connector and is finished in black with an integrated 80 mm fan for thermal management. RoHS compliance is declared for material and hazardous-substance limits.
Advantages
The fully-modular cable design simplifies cable management and system assembly by allowing only required connectors to be attached, reducing internal clutter and improving airflow. 80 PLUS Gold certification and the stated 90% efficiency help reduce wasted energy and heat generation. The compact 80 mm fan provides targeted cooling for the PSU components while maintaining a compact overall footprint suitable for a wide range of enclosures. The 20+4 pin ATX connector ensures compatibility with standard motherboards.
Suitable for (tasks / use cases)
Building or upgrading mainstream desktop PCs that require up to 650 W continuous power
Systems where modular cabling is preferred to improve case airflow and cable routing
Energy-conscious builds seeking an 80 PLUS Gold certified power supply
Enclosures that accommodate a compact PSU with an 80 mm cooling fan
Key specifications
Total power: 650 W
Efficiency: ~90% (80 PLUS Gold)
Motherboard power connector: 20+4 pin ATX
AC input voltage: 100–240 V
AC input frequency: 47–63 Hz
Fan diameter: 80 mm
Product colour: Black
RoHS compliance
How to use
Install the Chieftec CSN-650C into a compatible PC case following the case and motherboard manufacturer instructions. Secure the PSU in the designated compartment, connect the 20+4 pin ATX connector to the motherboard, and attach only the modular cables required for the system components. Ensure the AC input cable is connected to a properly grounded mains outlet within the specified 100–240 V range. After connections are checked, power on the system and verify stable operation and cooling from the 80 mm fan.
Usage recommendations
Place the power supply in a case with sufficient ventilation and avoid obstructing the 80 mm fan. Use only the supplied or manufacturer-recommended cables and ensure the total connected load does not exceed 650 W continuous to maintain efficiency and longevity.

## Specifications

### Power

| Feature | Value |
|---|---|
| Total power | 650 W |
| Efficiency | 90 % |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Overload, Overheating, Over voltage, Over current, Short circuit, Under voltage |
| Power factor | 0.9 |
| Combined power (+3.3V) | 90 W |
| Combined power (+5V) | 90 W |
| Max output current (+3.3V) | 18 A |
| Max output current (+5V) | 15 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 3 A |
| Input current | 6 |
| AC input frequency | 47 - 63 |
| AC input voltage | 100 - 240 |
| Max output current (+12V1) | 54 A |

### Ports & interfaces

| Feature | Value |
|---|---|
| Motherboard power connector | 20+4 pin ATX |
| Floppy drive power connector | 1 |
| Number of SATA power connectors | 6 |
| Peripheral (Molex) power connectors (4-pin) | 3 |
| CPU power connector (4+4 pin) | Yes |
| PCI Express power connectors (6+2 pin) | 2 |
| Cabling type | Fully-Modular |

### Performance

| Feature | Value |
|---|---|
| Purpose | PC |
| 80 PLUS certification | 80 PLUS Gold |
| ATX version | 2.3 |
| Power supply unit (PSU) form factor | SFX |

### Design

| Feature | Value |
|---|---|
| Fan diameter | 80 mm |
| Number of fans | 1 fan(s) |
| Product colour | Black |

### Certificates

| Feature | Value |
|---|---|
| Compliance certificates | RoHS |

### Weight & dimensions

| Feature | Value |
|---|---|
| Height | 64 mm |
| Width | 125 mm |
| Depth | 100 mm |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733020 |

## FAQ

### How much does the Power Supply Unit Chieftec CSN-650C cost, and is it available for purchase?

The price is 103.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 117 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 22.06.2026 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 Power Supply Unit Chieftec CSN-650C 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 CHIEFTEC 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 CHIEFTEC 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, efficiency, motherboard power connector, 80 plus certification, fan diameter, product colour, 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/502783/64775480_large.webp