# Power supply Dell CNHDM 300W SFF, internal PSU for small form factor systems

**URL:** https://aio.lv/en/product--dell-cnhdm--10757447
**Data updated:** 2026-02-12 22:06 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** Dell
**Manufacturer code:** CNHDM
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 75.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 62.39 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-cnhdm--10757447

## 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

Dell CNHDM is a 300W internal power supply designed for Small Form Factor (SFF) desktop systems. It provides stable power for compatible Dell SFF workstations and desktops, supporting core components such as motherboard, CPU and storage devices. Intended for OEM replacement or system repair, it helps restore reliable operation and reduces downtime.

## Long description

Dell CNHDM 300W SFF internal power supply is designed for Small Form Factor desktop systems that require a compact, reliable source of power. This 300-watt unit delivers stable DC output through standard internal connectors and is intended as an OEM replacement part to restore proper operation of compatible Dell SFF workstations and desktops. It supports core system components including the motherboard, CPU and storage devices while fitting into constrained chassis layouts.
Advantages
The compact design fits typical SFF chassis and preserves internal space for other components. Built to meet Dell engineering and safety guidelines, the unit provides regulated output and protection features that reduce the risk of power-related failures. Using an OEM-compatible internal PSU simplifies replacement and ensures connector and form-factor compatibility with supported systems.
Suitable for
Repairing or replacing a failed power supply in Dell Small Form Factor desktops
Restoring stable power delivery for SFF workstations used in offices or home environments
System maintenance where a compact internal PSU is required to fit limited chassis space
Key specifications
Rated output power: 300 W
Form factor: Small Form Factor (SFF) internal power supply
Output type: Multiple DC rails suitable for motherboard, CPU and storage devices
Cooling: Internal fan or passive airflow design compatible with SFF chassis cooling
Protection features: Over-voltage, over-current and short-circuit protection (implemented per manufacturer design)
How to use
Before installation, disconnect the system from mains power and ground yourself to avoid electrostatic discharge. Remove the chassis cover according to the system service manual, disconnect the existing power supply cables from the motherboard and drives, and extract the old unit. Install the Dell CNHDM 300W SFF power supply into the designated mounting location, secure it with the original fasteners, and reconnect the internal power connectors to the motherboard, CPU and storage devices as required. Reassemble the chassis, reconnect power, and perform a system power-on test to verify correct operation.
Usage recommendations
Use this power supply only in compatible Dell SFF systems and verify connector types and available mounting space before purchase. For safe handling, follow manufacturer service instructions and replace the unit with a like-for-like spec to maintain system stability and cooling performance.

## FAQ

### How much does the Dell CNHDM 300W SFF power supply cost, and is it available for purchase?

The price is 75.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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. 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 Dell 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 Dell 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