Server RAID controllers

Server RAID controllers are specialized hardware devices designed to manage multiple hard drives or solid-state drives, combining them into a single logical unit to improve data reliability and system performance. These controllers handle the complex tasks of data striping, mirroring, and parity calculation, offloading these processes from the server's main CPU. By implementing RAID technology, administrators can ensure that data remains accessible even if one or more physical drives fail. These components are essential for enterprise environments, database servers, and virtualization platforms where data integrity and high availability are critical. Choosing the right controller depends on the specific storage requirements, the number of drives, and the desired RAID level. Our selection includes various models compatible with standard server architectures to meet diverse infrastructure needs.

Use cases of server RAID controllers

Server RAID controllers are deployed in various professional environments to optimize storage operations:

• Database management systems requiring high input/output operations per second (IOPS).
• Virtualization hosts that need to manage multiple virtual machines simultaneously.
• File servers where data redundancy is necessary to prevent loss during hardware failure.
• Media streaming and content delivery networks that demand high throughput.

Types of server RAID controllers

These devices are generally categorized by their interface and architecture:

• Hardware RAID controllers: Feature a dedicated processor and cache memory for maximum performance.
• Software-assisted RAID controllers: Utilize the host system's resources while providing basic management features.
• PCIe RAID cards: Designed for high-speed connectivity within server motherboards.
• SAS and SATA controllers: Support different drive interfaces depending on the storage media used.

Key features to consider

When evaluating RAID controllers, consider the following technical specifications:

• RAID levels supported: Ensure the controller supports the required configurations like RAID 0, 1, 5, 6, or 10.
• Cache memory: Larger onboard cache improves read and write speeds significantly.
• Interface speed: Check for compatibility with SAS 12Gb/s or SATA 6Gb/s standards.
• Battery Backup Unit (BBU) or Flash cache protection: Essential for preventing data loss during power outages.

How to choose server RAID controllers

Selecting the appropriate controller requires an assessment of your current and future storage needs. First, determine the number of drives you intend to connect and the required RAID level for your redundancy goals. Verify the compatibility of the controller with your server's motherboard and operating system. Consider the workload intensity; high-traffic databases benefit from controllers with dedicated processors and large cache buffers. Finally, ensure that the controller supports the physical drive interfaces, such as SAS or SATA, used in your server chassis.

Which server parts & components 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:

• Eaton KT-5 Terminal Support 275447 for 3.99€
• Relpol MBA Spring Retaining Clip for GUC11 Socket and RUC Relay for 4.49€
• Relpol GZ2 Spring Retaining Clip for 4.99€
• Relpol RM50-3011-85-1012 Miniature Relay for 5.99€
• JetWorld V-clamp connector Type I/D for OVKS 300 terminal 35-240 mm² for 6.49€

Why is it worth buying server parts & components 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: ADAPTEC, APC, ASROCK, CHIEFTEC, Cisco, Dell, FUJITSU, HP, IBM, INTEL, Lenovo, Siemens, SYNOLOGY, Asus, Chenbro, acutake, DIGITUS, LOGILINK, LSI, 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 server parts & components 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 server parts & components?

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 server parts & components?

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 server parts & components 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 server parts & components 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.