LRDIMM DDR3-1866 PC3-14900

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This page lists DDR3-1866 PC3-14900 Load-Reduced DIMM (LRDIMM) — 240-pin, 1.5V (1.35V for DDR3L), ECC, with a data buffer that reduces electrical load on the memory controller so the highest capacities per channel stay stable. DDR3-1866 runs at 1866MT/s (1866MHz data rate) for 14.9 GB/s of bandwidth per channel.

What is on this page

Single modules from 32GB, 4Rx4 rank, plus matched kits up to 128GB total. Use the Module Density, Kit and Rank filters to narrow the list, or Shop by System Model to jump straight to modules matched to a specific machine.

Where DDR3-1866 LRDIMM is used

DDR3-1866 LRDIMM is commonly paired with Intel Xeon E5-2600 v2 (Ivy Bridge-EP) platforms running memory at full 1866MT/s, including the 2013 Apple Mac Pro. On this page the system-matched listings cover Cisco UCS. Every part carries the OEM part number it replaces, so a DDR3-1866 order written against a Dell, HPE, Lenovo, Cisco or Supermicro part number can be matched line for line.

Choosing the right LRDIMM module

LRDIMM is for maximum capacity per channel, not maximum speed. It cannot be mixed with RDIMM, and every LRDIMM in a channel should match capacity and rank. Choose DDR3-1866 LRDIMM when the platform's supported maximum needs 64GB, 128GB or 256GB modules in every slot; for smaller totals, DDR3-1866 RDIMM is usually the better fit. If you are unsure, send us the system model or the OEM part number and we will confirm fitment before you order.

Buying DDR3-1866 LRDIMM direct from NEMIX RAM

NEMIX RAM is a US-based server memory specialist since 1993. Every module is researched, matched and compatibility-tested by NEMIX RAM, JEDEC-compliant, and backed by a lifetime warranty. Purchase orders, net terms and volume pricing are available for business, government and education buyers — request a quote with the part numbers or system models you need, or contact our sales team for fitment help.