Samsung 128GB DDR5 RDIMM - DDR5

Brand: Samsung | Category: Memory (RAM)

SKU: M321R8GB4BB4-CQKOF | Part #: M321R8GB4BB4-CQKOF | MPN: M321R8GB4BB4-CQKOF

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With 128GB per module, this Samsung DDR5 RDIMM enables enterprise servers to reach 2TB+ total system memory — the capacity threshold for high-demand workloads spanning virtualization, database clusters, and AI inference pipelines. The M321R8GB4BB4-CQKOF is engineered for mission-critical infrastructure where memory density and reliability define operational performance.

Samsung's 128GB DDR5 RDIMM operates at 4800 MT/s (PC5-38400), delivering significant bandwidth increases over DDR4 while maintaining strict JEDEC compliance and RoHS standards. The module incorporates 3DS (Three-Dimensional Stacked) technology with TSV architecture, enabling higher density without compromising thermal stability or signal integrity. Dual-layer ECC — both on-die (ODECC) and module-level — protects against single-bit and multi-bit errors, essential for storage architects and IT procurement teams specifying systems where data corruption risk must be minimized. The 1.1V operating voltage reduces power consumption compared to earlier memory generations, lowering total cost of ownership in large-scale deployments. Registered (buffered) command/address lines and 4-rank configuration distribute electrical load efficiently across the 288-pin interface, improving compatibility with enterprise-class motherboards and reducing slot-level stress during full-population scenarios.

Key Specifications

• Capacity: 128GB per module
• Memory Type & Speed: DDR5, 4800 MT/s (PC5-38400)
• Form Factor: RDIMM (Registered), 288-pin, 4-rank
• Error Correction: On-die ECC (ODECC) + module-level ECC
• Architecture: 3DS TSV (Three-Dimensional Stacked)
• Operating Voltage: 1.1V; Temperature range: 0°C to 85°C

Contact Omnixon Global in Dubai to request a quotation for Samsung memory solutions tailored to your enterprise infrastructure.