Crucial 48GB DDR5 RDIMM

Brand: Crucial | Category: Memory (RAM)

SKU: CT48G5ERS48A.M8G | Part #: CT48G5ERS48A.M8G | MPN: CT48G5ERS48A.M8G

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The Crucial 48GB DDR5 RDIMM (part number CT48G5ERS48A.M8G) is a registered dual inline memory module engineered for mission-critical server and data centre environments where data integrity and platform stability take absolute priority. The 2Rx8 rank configuration and registered architecture define this module's core identity—these characteristics determine which platforms will accept it before speed or capacity become relevant considerations. Unlike unbuffered or load-reduced variants, the RDIMM topology isolates the address and command lines through a register stage, which reduces electrical load on the memory controller and enables higher density configurations across larger server chassis without reliability degradation.

At 48GB per module, Crucial positions this capacity at the intersection of practical server builds and dense multi-socket configurations. A single 2-socket or 4-socket system can reach terabyte-scale memory with just a handful of these RDIMMs installed, which matters when infrastructure teams are provisioning database servers, hypervisors, or dedicated AI training nodes. The 4800 MT/s transfer rate (PC5-38400 rating) reflects modern DDR5 performance standards without aggressive overclocking or marginal voltage tuning—this is JEDEC-compliant operation at 1.1V, meaning the module runs within standard specifications that most OEM server firmware will validate on day one. The 40 CAS latency is typical for this speed tier and does not impose a practical penalty in server workloads where throughput and capacity matter more than sub-microsecond latency optimization. Crucial integrated on-die ECC directly into the memory die itself, adding a hardware error-detection layer beyond the RDIMM register circuit, which is increasingly standard in enterprise-grade DDR5 but still justifies explicit mention since not all DDR5 modules include this redundancy.

Data centre infrastructure teams—storage architects, hypervisor administrators, and system procurement engineers—specify this module when building platforms that will run for years without service interruption. The operating temperature range of 0°C to 85°C accommodates standard raised-floor data centre environments and containerized deployments, though the upper bound assumes proper airflow; the 288-pin form factor is mechanically identical to all other DDR5 RDIMMs, so physical compatibility is not a concern. The registered architecture and 2Rx8 organization mean this module is not interchangeable with UDIMMs or LRDIMMs—your server's memory controller must explicitly support registered DIMMs. This is not a limitation; it is a requirement that ensures the module ends up in the correct platform. Hyperscale operators and enterprise IT teams purchasing the CT48G5ERS48A.M8G are typically standardizing on DDR5 RDIMM platforms, moving past DDR4, and want modules that will perform identically across multiple purchase windows and geographic regions. The Crucial brand offers consistent firmware support and long product availability windows, reducing the risk that a replacement module ordered eighteen months later will behave differently than the original batch.

When deployed in multi-socket AMD EPYC or Intel Xeon systems, this 48GB RDIMM configuration delivers the memory density and error correction that enterprises expect from Tier-1 infrastructure. The on-die ECC means a single bit flip is detected and corrected in hardware without firmware intervention or performance penalty. The registered design handles the address and control signalling independently of the data lines, which permits tighter memory timing and higher clock speeds on heavily populated systems. Unlike consumer-grade DDR5, where 16GB or 32GB modules dominate and unregistered topologies suffice, the RDIMM ecosystem and the Crucial commitment to server-class validation make this module appropriate for any deployment where downtime is measured in cost-per-minute rather than as a minor inconvenience.

Omnixon Global maintains regional inventory of Crucial memory products across our Dubai headquarters and partner logistics centres serving the GCC, South Asia, and Europe. We work with enterprise procurement teams, data centre operators, and system integrators who require genuine components with proper documentation, warranty support, and technical accountability. If your infrastructure roadmap includes DDR5 RDIMM capacity refresh or new hypervisor deployments, contact our technical sales team to discuss configuration options and lead times for the CT48G5ERS48A.M8G and complementary server memory products.

Server Memory Specifications and Validation Details

• Capacity: 48GB per module; supports up to 6TB per system in 16-slot server configurations
• Interface: DDR5 RDIMM, 288-pin, 2Rx8 rank configuration with registered address and command bus
• Performance: 4800 MT/s (PC5-38400), 1.1V nominal, 40 CAS latency, JEDEC standard compliance
• Error Correction: On-die ECC plus register-level error detection; suitable for mission-critical enterprise and hyperscale deployments
• Operating Environment: 0°C to 85°C; standard raised-floor data centre thermal profile; validated on major OEM platforms (AMD EPYC, Intel Xeon)
• Part Number Reference: CT48G5ERS48A.M8G; available through Omnixon Global with technical documentation, regional warranty, and supply-chain transparency