Samsung 128GB DDR5 RDIMM ECC Registered Server Memory Module M321RAIA0MB2-CCP
Brand: Samsung | Category: Memory (RAM)
SKU: M321RAIA0MB2-CCP | Part #: M321RAIA0MB2-CCP
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About the Samsung 128GB DDR5 RDIMM ECC Registered Server Memory Module M321RAIA0MB2-CCP
The Samsung 128GB DDR5 RDIMM ECC Registered Server Memory Module M321RAIA0MB2-CCP from Samsung is enterprise-grade Memory (RAM) hardware built for data centers. Samsung 128GB DDR5 RDIMM (M321RAIA0MB2-CCP) is a high-capacity, ECC registered server memory module engineered for next-generation enterprise servers, AI/ML workloads, and high-performance data centre deployments demanding maximum memory bandwidth and density. Available in brand new condition. Samsung memory (ram) products are trusted by enterprises and data centers worldwide. Available from Omnixon Global. Contact our sales team to request a quote.
Technical Specifications
| Brand | Samsung |
| Category | Memory (RAM) |
| SKU | M321RAIA0MB2-CCP |
| Part Number | M321RAIA0MB2-CCP |
| Condition | New |
| Product Line | Samsung DDR5 Server DRAM |
| Module Type | RDIMM (Registered DIMM) |
| RoHS Compliance | Yes |
| Total Capacity | 128GB |
| Rank | 2Rx4 (Dual Rank) |
| Die Organisation | x4 (4-bit wide DRAM dies) |
| Die Density | 16Gb per DRAM die |
| Data Width | 72-bit (64-bit data + 8-bit ECC) |
| Sub-Channel Architecture | Dual 32-bit sub-channels (DDR5 native) |
| Memory Technology | DDR5 SDRAM |
| Speed Grade | DDR5-4800 (PC5-38400) |
| Data Transfer Rate | 4800 MT/s |
| Peak Bandwidth (per module) | ~38.4 GB/s |
| CAS Latency (CL) | CL40 |
| Primary Timings (CL-tRCD-tRP-tRAS) | 40-39-39-76 (at DDR5-4800 JEDEC) |
| Burst Length | BL16 (fixed) / BL32 (on-the-fly) |
| Command Rate | 1T |
| Form Factor | RDIMM (Registered DIMM) |
| Pin Count | 288-pin |
| Module Height | 31.25 mm (standard low-profile RDIMM) |
| Module Length | 133.35 mm |
| PCB Layers | 10-layer PCB |
| Operating Voltage (VDD) | 1.1V |
| I/O Voltage (VDDQ) | 1.1V |
| VPP (Activation Power Supply) | 1.8V |
| Typical Module Power Consumption | Approx. 12–16W (load dependent) |
| ECC Support | Yes — ECC (Error Correcting Code) |
| On-Die ECC (ODECC) | Yes — native DDR5 on-die ECC per DRAM die |
| Register Buffer (RCD) | Yes — DDR5 RCD (Registering Clock Driver) |
| MTBF | >100,000 hours (typical enterprise DRAM specification) |
| Operating Temperature | 0°C to 85°C (standard) / 0°C to 95°C (A-temp variant) |
| Storage Temperature | -55°C to +100°C |
| Operating Humidity | 5% to 95% RH (non-condensing) |
| JEDEC Standard | JEDEC JESD79-5 (DDR5) |
| Compatible CPU Platforms | Intel Xeon Scalable 4th/5th Gen (Sapphire Rapids, Emerald Rapids); AMD EPYC 9004-Series (Genoa, Bergamo, Siena) |
| Compatible Server Platforms | Dell PowerEdge 16G, HPE ProLiant Gen11, Lenovo ThinkSystem V3, Supermicro X13-series, Inspur NF-series |
| SPD (Serial Presence Detect) | Yes — JEDEC SPD compliant for automatic detection |