Modular power supply

Modular power supplies are computer and industrial PSUs that allow detachable cables to be connected only as needed. These products range from compact units for small form-factor PCs to high-capacity models for gaming rigs and workstations. Modular designs reduce cable clutter, improve airflow, and simplify system assembly and maintenance. Many modular power supplies include features such as multiple +12V rails, single-rail designs, and varying efficiency certifications (e.g., 80 PLUS ratings). Buyers choose modular units when they need flexible cable management, easier installation, or upgrades without replacing the entire power supply.

Use cases of modular power supply

• Gaming and high-performance desktops that require clean cable routing and high current delivery.
• Small form-factor builds where space is limited and only specific connectors are needed.
• Workstations and content-creation systems that demand stable power for multiple GPUs and drives.
• Industrial and embedded systems needing customizable cabling and secure connections.
• Upgrades and repairs where selective cable replacement simplifies maintenance.

Types of modular power supply

• Semi-modular: essential cables (motherboard, CPU) are fixed; peripheral cables are detachable.
• Fully modular: all cables, including main power, are detachable for maximum flexibility.
• Low-profile and SFX modular units: compact form factors for small cases and HTPCs.
• High-wattage modular PSUs: designed for multi-GPU systems and heavy workloads.
• Redundant and hot-swap modular supplies: used in some industrial or server setups for continuous operation.

Key features to consider

• Wattage and rail configuration: ensure total and continuous power meets system demand.
• Efficiency rating: higher 80 PLUS certifications reduce heat and power consumption.
• Connector types and counts: verify required PCIe, SATA, EPS, and peripheral connectors are available.
• Form factor and dimensions: confirm compatibility with your case (ATX, SFX, etc.).
• Noise and cooling: fan size, fan curve, and hybrid modes affect acoustics and thermal performance.
• Protection features: OVP, UVP, OCP, SCP and short-circuit protection enhance safety.
• Build quality and warranty: reputable brands and longer warranties indicate reliability.

How to choose modular power supply

• Calculate system power draw including peak loads, then select a PSU with adequate headroom (typically 20–30% above estimated usage).
• Match the PSU form factor to your chassis and check cable lengths for routing needs.
• Choose an efficiency level that balances upfront cost with long-term energy savings.
• Confirm the number and type of connectors required for GPU(s), CPU, drives, and peripherals.
• Consider semi-modular for cost savings or fully modular for maximum flexibility.
• Review manufacturer specifications for protections, ripple suppression, and warranty terms.
• Select a reputable model with reviews or test results that demonstrate stable voltage and reliable operation.

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€
• Eaton NH2 Fuse Link 63A gL/gG 500V for 7.99€
• Delta PMT-24V35W2BA Switching Power Supply 24V 35W for 16.99€
• HiSmart US-350-24 Power Supply, 24V, 14.6A, 350W for 19.49€
• HiSmart US-350-12 Power Supply 12V 29A 350W for 19.49€

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.