Server power supply

Server power supplies provide regulated DC power to server components and are available in a range of wattages, form factors and redundancy options. These products include fixed and modular PSUs for rackmount and tower servers, redundant hot‑swap units for 1U–4U chassis, and high‑efficiency models compliant with modern efficiency standards. Buyers choose server power supplies when deploying or upgrading servers, ensuring uptime in data centers, or replacing failed units during maintenance. Compatible connectors, power density and thermal performance are typical selection criteria. The store lists products from multiple manufacturers; we supply the components but do not produce them.

Use cases of server power supply

Server power supplies are used in situations where reliable and continuous power is required. Common use cases include:

• Data center racks requiring redundant power for high availability.
• Small business servers where efficient power reduces operating costs.
• Edge and telecom installations needing compact, robust PSUs.
• Maintenance and replacement of failed or aging server power modules.
• Upgrade projects aiming to improve efficiency or add hot‑swap capability.

Types of server power supply

Server power supplies come in several standard types suited to different hardware and reliability requirements. Main types include:

• Non‑redundant internal PSUs — single unit, common in entry‑level servers.
• Redundant (N+1, 2N) hot‑swap PSUs — multiple modules that allow live replacement.
• Modular PSUs — detachable cables and configurable outputs for flexible cabling.
• External power supplies and power bricks — used with specific compact servers.
• High‑efficiency platinum/gold rated PSUs — lower losses and reduced heat output.

Key features to consider

When evaluating server power supplies, review technical and compatibility criteria to ensure reliable operation. Important features include:

• Wattage and amperage ratings matching server components and peak loads.
• Redundancy support (hot‑swap capability and redundant configurations).
• Efficiency certification (80 PLUS Bronze, Silver, Gold, Platinum) to reduce energy costs.
• Form factor and mounting type compatible with the server chassis.
• Connector types and cable length for motherboard, drive and backplane connections.
• Thermal and acoustic performance to fit data‑center cooling and noise constraints.
• Manufacturer compatibility and part numbers for direct replacements.

How to choose server power supply

Selecting the right server power supply requires matching technical specifications to your deployment needs. Start by calculating the total power draw of CPUs, memory, drives and expansion cards, then add headroom for peak usage. Choose redundancy level based on uptime requirements: non‑redundant for low‑criticality servers, N+1 or 2N for critical infrastructure. Verify the physical form factor, connector compatibility and whether hot‑swap capability is needed. Consider efficiency ratings to optimize operating costs and check thermal characteristics against your rack cooling. Finally, confirm manufacturer part numbers and warranty terms when replacing existing units or selecting upgrades.

Which power supplies (psu) are the most popular and affordable in 2026?

The full list of popular models at affordable prices is available on this page. In 2026, the following models show high demand and an excellent price-to-quality ratio:

• Spectrum SYSTEM SHIFT 48V Power Supply WLD+40018 for 5.99€
• HiSmart DR-150-24 DIN Rail Power Supply 24V 6.25A 150W for 23.99€
• Power Supply CHIEFTEC APB-500B8-BK ATX 500W with Active PFC and multi-protection for 31.49€
• Power Supply Unit Chieftec Smart GPS-400A8 400 W for 32.99€
• Power Supply Unit Chieftec GPB-500S 500W for 34.99€

Why is it worth buying power supplies (psu) at AiO.lv?

At the AiO.lv online store, you can place an order at a great price with delivery across Latvia — to Riga, Daugavpils, Liepaja, Jurmala, Ventspils, and other cities, as well as throughout Europe. We offer products from leading manufacturers: ANTEC, ASROCK, ADATA, CHIEFTEC, Cisco, CORSAIR, Dell, EUROCASE, HP, Lenovo, PLANET, Siemens, SYNOLOGY, ZALMAN, Asus, Cooler Master, fsp/fortron, GIGABYTE, MSI, OEM. When you shop with us, you get:

• official warranty and guaranteed quality;
• convenient payment options (including installment and credit);
• fast and reliable delivery across Latvia and to any EU country.

FAQ

Where can you find a power supplies (psu) with cheap prices?

You can buy cheaper at the AiO.lv online store. We offer competitive prices and regular discounts, so you always have the chance to find a great deal.

What is the delivery time for power supplies (psu)?

If you place your order today, delivery will take between 1 and 5 business days depending on the chosen method.

How long is the warranty period for power supplies (psu)?

Our store provides an official manufacturer’s warranty ranging from 12 to 36 months, depending on the model and brand. If needed, you can always contact our customer service department or the manufacturer’s authorized service center for support.

Are power supplies (psu) purchasable with leasing?

Yes, if the selected product costs more than €50. You can learn more about installment purchase options and the terms of application on the Payment page.

Can power supplies (psu) be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and throughout Europe. All product prices are shown with VAT included. In certain cases, a 0% VAT rate may apply — for example, when purchasing from other EU countries with a valid VAT number. We issue an invoice immediately after the order is placed, support BIS electronic invoices, and automatically generate all required accounting documents. To complete a purchase for a company, simply select the company profile during checkout.