Dell Server Memory (RAM) Upgrades

How do I find compatible memory for my Dell server?

Use our Dell Server RAM Selector to choose RAM that fits your exact PowerEdge model. We support most Dell PowerEdge systems with compatible RDIMM, LRDIMM, and UDIMM options.

What's the difference between RDIMM, LRDIMM, and UDIMM for Dell servers?

RDIMM and LRDIMM are optimized for data centers and high-load environments, while UDIMM is more common in entry-level Dell servers. Read our full comparison →

Can I mix RAM speeds or sizes in my Dell server?

Technically, yes—but your server will default to the slowest speed and performance may suffer. For best results, match all specs across DIMMs.

Do Dell servers need ECC RAM?

Yes. Dell PowerEdge servers almost always require ECC memory to ensure reliability under enterprise workloads.

How many DIMMs should I install per CPU in my Dell server?

The ideal number depends on your server model and workload. For best performance, follow channel balancing and optimal population guidelines—usually specified in your server’s documentation. Distributing DIMMs evenly across memory channels helps maximize throughput, efficiency, and overall system stability.

Will upgrading RAM void my Dell warranty?

No. You’re allowed to upgrade Dell server RAM as long as it meets OEM specs. We only supply compatible modules that align with Dell’s requirements.

Where can I find Dell server RAM configuration details?

Each PowerEdge model page on our site includes full Dell server memory configuration—supported slots, max capacity, and compatible speeds.

Why should I buy Dell-compatible memory over OEM?

You get tier-1 chips (Samsung, Micron, SK Hynix), full compatibility, and lower costs—without sacrificing performance.