Crucial 512GB DDR5 LRDIMM

Brand: Crucial | Category: Memory (RAM)

SKU: CT512G5ERS48A.M8G | Part #: CT512G5ERS48A.M8G | MPN: CT512G5ERS48A.M8G

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A single server configured with the maximum DDR5 LRDIMM capacity can hold 12 modules of the Crucial 512GB DDR5 LRDIMM, delivering a total of 6.14 TB of memory per system. This capacity ceiling represents the practical upper limit for enterprise platforms built around JEDEC DDR5 architecture, and it defines the memory envelope that infrastructure architects and platform engineers must work within when designing high-compute clusters for AI workloads, in-memory databases, and large-scale analytics pipelines. The CT512G5ERS48A.M8G is the component that enables this ceiling, and understanding its role in your memory hierarchy is essential when planning distributed systems across data centre floor space.

Crucial has engineered this LRDIMM module to operate at 4800 MT/s with a PC5-38400 speed rating, translating to a data transfer rate of 38400 MB/s per module. The octal-rank configuration (8Rx4) and x4 die organization allow the module to pack 512GB into a single 288-pin form factor without sacrificing electrical stability or thermal characteristics. Running at 1.1V with a CAS latency of 40, the Crucial DDR5 LRDIMM sits in the performance-per-watt envelope that modern server designs expect, avoiding the excessive power draw that would force facility cooling upgrades or rack-density reductions. Load-reduced architecture means the memory controller sees a buffered electrical load rather than direct contact with eight ranks, which is why systems can reach 6.14 TB without incurring the signal-integrity penalties that would come from a standard UDIMM at this density.

The CT512G5ERS48A.M8G incorporates on-die error correction (ECC), a native DDR5 feature that operates transparently at the DRAM level, independent of the server's main memory ECC engine. This dual-layer correction capability is not redundant—it catches single-bit errors before they propagate to the system-level controller, reducing the probability of undetectable multi-bit failures and extending the mean time between correctable errors. For infrastructure teams running mission-critical workloads, particularly in AI labs where model training runs stretch across weeks or months, this native ECC presence eliminates one category of data corruption risk. Storage architects specifying Crucial memory for high-availability clusters, disaster-recovery nodes, and backup systems benefit from this protection without architectural overhead.

Deployment of the Crucial 512GB DDR5 LRDIMM spans multiple use cases within enterprise environments. AI infrastructure teams use these modules to saturate GPU-attached host memory, enabling larger batch sizes and reducing data movement between CPU and accelerator memory hierarchies. In-memory database administrators select this capacity point to consolidate multiple smaller nodes into fewer, larger systems, reducing network hop count and improving query latency for analytics queries that touch hundreds of gigabytes of working set. HPC centres running molecular simulation, financial modelling, and climate research rely on the combination of density and speed to keep compute kernels fed with data at the rate their processors can consume it. Hyperscale infrastructure operators use Crucial DDR5 LRDIMMs to hit specific performance-per-dollar targets without custom silicon, allowing them to refresh generations on fixed schedules rather than waiting for proprietary variants.

Omnixon Global stocks the Crucial 512GB DDR5 LRDIMM CT512G5ERS48A.M8G across our Dubai hub and maintains availability across GCC distribution points for immediate or scheduled shipment to data centres, enterprise labs, and integrators throughout Asia and Europe. Our technical team has validated this module across major OEM platforms and can support your memory procurement with specification verification, compatibility confirmation, and volume logistics. If you are planning a memory refresh, scaling an existing cluster, or building out new infrastructure, we invite you to submit a detailed request for quotation through our systems—our sales engineers will respond with lead times, packaging configurations, and support options tailored to your deployment timeline and geographic requirements.

Performance Specifications and Memory Architecture

• 512GB capacity per module with octal-rank (8Rx4) configuration enables 6.14 TB maximum per server
• 4800 MT/s speed rating with PC5-38400 designation and 38400 MB/s data transfer rate
• CAS latency of 40 cycles; 1.1V operating voltage for thermal and power efficiency
• Native on-die ECC (DDR5 standard) plus system-level ECC support for dual-layer error correction
• Load-reduced DIMM (LRDIMM) form factor with 288-pin interface; x4 die organization
• JEDEC DDR5 component standard ensures compatibility with certified server platforms and OEM implementations
• Part number CT512G5ERS48A.M8G; manufactured by Crucial to enterprise reliability standards