Crucial 32GB DDR4-2400 ECC Registered Server Memory

Server workloads punish memory in ways desktops never will, and this module is built to absorb that punishment for years at a time. The Crucial CT32G4RFD424A packs 32GB onto a single dual-rank registered DIMM, with ECC correcting the single-bit errors that heat, electrical noise and sheer uptime eventually produce in any server. At DDR4-2400 with CL17 timing and 1.2V operation, it balances speed, density and thermals in the way enterprise platforms were designed to consume memory, and coming from Crucial and Micron it carries the validation pedigree system builders rely on when downtime is not an option.

Key Features

• 32GB capacity in a single 288-pin RDIMM
• DDR4-2400 (PC4-19200) ECC registered operation
• CL17 latency at 1.2V for cool, efficient running
• Dual rank x4 organization for channel balance
• Registered buffering for heavily populated server platforms
• Micron-quality DRAM with enterprise-grade screening

Product Specifications

• Capacity: 32GB
• Module Type: DDR4 ECC Registered DIMM (RDIMM), 288-pin
• Speed: DDR4-2400 (PC4-19200)
• CAS Latency: CL17
• Organization: dual rank, x4 DRAM configuration
• Voltage: 1.2V
• Buffering: registered with ECC for data integrity
• Compatibility Class: server platforms with DDR4-2400 RDIMM support

Use Cases

This is the module to reach for when densifying a virtualization host, giving a database server breathing room for cache and query workloads, or bringing an aging file server up to modern multitasking standards. IT departments also use it as a matched replacement during server repairs and refreshes, where a single verified module restores a platform to its full memory configuration without mixing ranks or speeds.

Compatibility

It requires a server platform with 288-pin DDR4 RDIMM slots running at 1.2V and supporting 2400 MT/s registered memory, the standard for Intel Xeon and AMD EPYC class systems of its generation. Check the platform memory population rules before mixing: registered and unbuffered modules must not be combined, and mixed speeds settle on the lowest common rate of the installed set.

Frequently Asked Questions

Can I mix this with unbuffered desktop memory?

No. Registered ECC memory is electrically different from UDIMMs, so it must be paired only with other RDIMMs in a platform that supports them.

What happens if my server runs memory slower than 2400MHz?

The module downclocks to the platform maximum, so a board rated for 2133 MT/s simply runs it at that speed, safely and stably.

What does ECC actually do?

Error-correcting code detects and corrects single-bit memory errors on the fly, preventing the silent data corruption and crashes that uncorrected errors cause in long-running servers.

What does dual rank x4 mean?

The module uses x4-organized DRAM chips across two ranks, the configuration enterprise controllers are tuned to interleave for balanced bandwidth and strong reliability behavior.

Memory is the one upgrade that changes how a server feels across every workload at once, and registered ECC modules like this one are how upgrades stay boring in a production environment. With 32GB of Micron-backed DDR4-2400 on a single validated stick, the CT32G4RFD424A lets you fill memory channels faster, keep error rates in check and plan capacity with hardware that has one job: never being the reason a server went down.