Intel RAID Controller PCIe x2 Gen 2 for SATA M.2 SSDs

The Intel RT3EX020E is a RAID controller card that lets you mirror data across two SATA M.2 solid state drives. It connects through a PCIe Gen 2 x2 slot and ships with a low-profile MD2 bracket, so it drops neatly into compact rack servers and small form factor builds.

By creating a RAID 1 volume, the card keeps an identical copy of every file on both drives. If one module fails, the system keeps running and you can swap the drive without shutting down, which is useful for branch offices, virtualisation hosts, or any environment where uptime matters more than raw drive count.

Setup is straightforward. The controller supports legacy BIOS and UEFI boot modes, and drivers are available for Windows Server 2016, Windows Server 2019, CentOS 7.6, and SLES 15 SP1. With no onboard cache to manage, there is no battery to maintain, keeping maintenance simple and predictable.

Choose this card when you need reliable redundancy in a small chassis, a lab server, or a remote appliance that runs on a modest budget but still demands enterprise-grade stability.

• PCIe Gen 2 x2 interface
• Accepts up to two SATA M.2 SSDs
• RAID 1 mirroring for data protection
• Hot swap capable for uninterrupted operation
• Low-profile MD2 form factor
• Compatible with legacy BIOS and UEFI boot
• Driver support for Windows Server 2016 / 2019, CentOS 7.6, and SLES 15 SP1
• Design without cache memory for stable, low-maintenance operation