# Power Supply Unit Synology PSU 250W\_5

**URL:** https://aio.lv/en/product--synology-psu-250w5--4281226
**Data updated:** 2026-01-12 19:30 (EET)
**Category:** Server Parts & Components
**Manufacturer:** SYNOLOGY
**Manufacturer code:** PSU 250W\_5
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 189.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 156.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--synology-psu-250w5--4281226

## 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

The Synology PSU 250W\_5 is a reliable power supply unit designed for NAS and storage servers. With a total power output of 250W, it features non-modular cabling and active cooling for optimal performance. Compatible with models such as RS1221+, DS1821+, and DS1819+, this silver PSU ensures stable power delivery. Its compact dimensions of 155mm width, 81mm depth, and 41mm height make it suitable for various setups.

## Long description

The Synology PSU 250W\_5 is a dedicated power supply unit designed for use with Synology NAS and storage server models. Delivering a continuous 250W output, this silver-finished PSU uses non-modular cabling and an integrated active cooling fan to maintain stable power delivery in compact rack or desktop installations. Its compact physical size (155 mm × 81 mm × 41 mm) makes it compatible with a range of Synology devices and helps preserve internal space while providing the rated power for reliable system operation.
Advantages
The PSU 250W\_5 provides a fixed 250W power output intended to match the requirements of compatible Synology models. Non-modular cabling reduces internal connection complexity and ensures secure fixed wiring. Built-in active cooling supports thermal stability under sustained load, and the unit’s compact dimensions simplify installation in constrained chassis. Designed by Synology, the PSU is supplied with the manufacturer part number PSU 250W\_5 to facilitate correct replacement and compatibility verification.
Suitable for
 Replacement power supply for Synology RS1221+ series
 Use in Synology DS1821+ and DS1819+ storage servers
 Small office and home NAS setups that require a 250W PSU
 Environments where a compact, manufacturer-compatible PSU is required
Key specifications
 Brand: SYNOLOGY
 Manufacturer part number (MPN): PSU 250W\_5
 Output power: 250W (continuous)
 Cabling: Non-modular (fixed cables)
 Cooling: Active fan cooling
 Compatible models: RS1221+, DS1821+, DS1819+
 Dimensions (W × D × H): 155 mm × 81 mm × 41 mm
 Colour: Silver
How to use
Power off the NAS or server and disconnect all external power and network connections before replacing the PSU. Remove the service panel or drive tray as described in the Synology device manual, then disconnect the existing power cable connectors from the system board and drive power headers. Install the Synology PSU 250W\_5 in the original PSU bay, secure it with the appropriate screws, and reconnect the fixed cabling to the matching connectors. Replace any panels and reconnect external power, then power on the device and verify normal boot and power status indicators. Consult the Synology hardware guide for model-specific disassembly and safety instructions.
Usage recommendations
Use the PSU 250W\_5 only with supported Synology models listed by the manufacturer. Ensure proper ventilation around the device to maintain the PSU fan’s cooling effectiveness and avoid obstructing airflow. Replace the PSU with an identical Synology part number to preserve warranty and compatibility. If you encounter abnormal noise, overheating, or power instability after installation, power down the system and contact Synology support or an authorized technician.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.73 kg |
| Height | 41 mm |
| Width | 155 mm |
| Depth | 81 mm |
| Product colour | Silver |
| Compatible products | RS1221+, DS1821+, DS1819+, DS1621xs+, DS1621+, DVA3221, DVA3219 |
| Purpose | NAS/storage server |
| Cooling type | Active |
| Cabling type | Non-Modular |
| Total power | 250 W |

## FAQ

### How much does the Power Supply Unit Synology PSU 250W\_5 cost, and is it available for purchase?

The price is 189.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 18 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 Power Supply Unit Synology PSU 250W\_5 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 SYNOLOGY 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 SYNOLOGY 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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