Crucial 16GB DDR4 RDIMM - DDR4

Brand: Crucial | Category: Memory (RAM)

SKU: CT16G4RFS4213 | Part #: CT16G4RFS4213 | MPN: CT16G4RFS4213

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Most enterprise server architectures built on Intel Xeon or AMD EPYC platforms can accommodate between 12 and 16 RDIMM slots, depending on the specific motherboard generation and socket configuration. With the Crucial 16GB DDR4 RDIMM module (part number CT16G4RFS4213), a single server can achieve a maximum of 256GB of registered memory — a capacity ceiling that remains relevant for workloads ranging from virtualization clusters to moderate-scale in-memory databases. For infrastructure teams planning data-centre deployments or hybrid cloud environments, understanding this per-socket density is the starting point for calculating total cluster memory and determining whether additional servers or memory tiers are needed.

The CT16G4RFS4213 operates at 2133 MT/s (PC4-17000) with a CAS latency of CL15, making it a practical fit for legacy and mid-generation server hardware that predates the DDR4-2400 and DDR4-2666 frequency curves now common in newer platforms. Crucial designed this module with registered DIMM architecture, which means an on-module register reduces electrical loading on the memory controller and improves signal integrity across densely populated server motherboards. The single-rank (1Rx4) configuration further optimizes compatibility with systems that employ conservative memory timing settings or that require stable operation across longer DIMM population spans. At 1.2V nominal voltage, the module draws conventional power, avoiding the premium power footprint associated with higher-frequency alternatives.

Error correction (ECC) is built into every Crucial DDR4 RDIMM in this product line, delivering single-bit error correction and double-bit error detection — a non-negotiable requirement in any enterprise or data-centre context where memory bit-flip events could corrupt application state or compromise data integrity. Systems administrators and infrastructure architects responsible for server procurement standardize on ECC-capable modules precisely because the cost premium is negligible compared to the operational risk of undetected memory errors cascading through a production workload. Crucial's 16GB capacity point strikes a balance between per-module density and the cost-efficiency that drives large-scale purchasing decisions in enterprises standardizing on 64GB or 128GB per socket.

Deployment of the CT16G4RFS4213 is most common in mid-life refresh cycles where organizations are upgrading existing server generations rather than conducting wholesale platform migrations. Virtualization administrators running VMware or KVM environments often select this memory tier to increase the number of virtual machines per host without incurring the expense of a complete motherboard and processor swap. Similarly, database teams managing Oracle, SQL Server, or open-source RDBMS instances on older but still-capable platforms use Crucial DDR4 RDIMMs to extend server useful life by pushing memory density upward on compatible sockets. The module's standard DIMM height (31.25mm) ensures it fits without mechanical interference in legacy server enclosures, where taller modules or exotic form factors can create installation friction.

Crucial has earned consistent recognition in enterprise procurement for backward compatibility and supply chain reliability, attributes that matter more in real-world data-centre operations than marketing claims about speed or brand prestige. The Crucial brand maintains a substantial installed base across GCC region enterprises, and IT procurement teams recognize the part number CT16G4RFS4213 as a known-good component for mid-cycle memory expansion. When sourcing modules for server restocking or field replacement inventory, procurement specialists and technical buyers often reference the part number directly to ensure exact model matching and avoid SKU confusion that can delay deployment schedules.

Performance Specifications and Compatibility

• 16GB capacity per module; supports up to 256GB maximum per dual-socket server (12–16 DIMM slots depending on platform)
• DDR4-2133 speed (PC4-17000) with CL15 latency; operates at 1.2V standard enterprise voltage
• Registered DIMM (RDIMM) design with on-module register reduces memory controller load and improves signal integrity across populated DIMM arrays
• Full ECC support: single-bit error correction, double-bit error detection for mission-critical applications
• Single-rank (1Rx4) x4 DRAM organization optimizes compatibility with conservative timing profiles and high-density DIMM populations
• Standard 288-pin configuration and 31.25mm module height ensure fit in legacy and mid-generation Intel Xeon and AMD EPYC server platforms
• Operating temperature range 0°C to 85°C supports standard data-centre environmental specifications without thermal margin compromise

Omnixon Global maintains in-stock inventory of Crucial memory modules across our Dubai distribution centre and supports rapid procurement for enterprise and data-centre customers throughout the GCC region, Asia, and Europe. Whether you are executing a server memory refresh, maintaining replacement-part reserves, or planning a multi-unit deployment, our technical team can assist with configuration validation, volume pricing, and logistics coordination. Please submit an RFQ for the Crucial 16GB DDR4 RDIMM (CT16G4RFS4213) or contact our sales engineering team to discuss your memory expansion requirements.