Brand: Kingston | Category: Memory (RAM)
SKU: KING-KSM64R52BS4PMI48HMI | Part #: KSM64R52BS4PMI-48HMI | MPN: KSM64R52BS4PMI-48HMI
Contact for Pricing — Request a Quote
The Kingston Server Premier DDR5-6400 48GB ECC RDIMM represents the leading edge of DDR5 server memory, operating at 6400 MT/s to provide substantially higher bandwidth than baseline DDR5-4800 modules. Built on the JEDEC DDR5 RDIMM standard, this 48GB capacity point utilizes a 3DS (Three-Die Stacking) or high-density monolithic die architecture to achieve a previously uncommon per-DIMM density that fits neatly between traditional 32GB and 64GB options, enabling memory configurations optimized for AI model loading, large in-memory datasets, and numerically intensive HPC workloads without unnecessary over-provisioning. On-die ECC combined with the registered buffer architecture ensures data integrity across sustained high-throughput operations, a critical requirement for production AI infrastructure and financial modeling environments.
Designed for the latest Intel Xeon Scalable (Granite Rapids and beyond) and AMD EPYC (Genoa, Bergamo, Turin) server platforms, this RDIMM is validated against Kingston's rigorous Server Premier compatibility matrix, which encompasses leading platforms from HPE, Dell, Lenovo, Supermicro, and others. The registered (buffered) command and address bus reduces electrical load on the memory controller, permitting multi-DIMM-per-channel configurations essential for maximum aggregate memory capacity in dense rack deployments. Operating voltage of 1.1V adheres to DDR5 power efficiency standards, helping data centers manage thermal and power budgets even as per-slot bandwidth climbs.
The 6400 MT/s data rate is particularly impactful for workloads with large working sets and high memory-bandwidth-to-compute ratios, such as large language model (LLM) inference serving, genomics pipelines, computational fluid dynamics, and real-time analytics. Kingston's Server Premier line undergoes factory testing at speed with full ECC functionality enabled, and modules ship programmed with accurate SPD data and XMP/EXPO profiles where applicable to facilitate straightforward deployment. The 48GB capacity allows system architects to populate four-channel or eight-channel platforms with balanced, dense configurations that maximize both capacity and bandwidth simultaneously.
| Manufacturer | Kingston |
| Product Line | Server Premier |
| Model | KSM64R46BS4-48HA (representative SKU) |
| Form Factor | 288-pin RDIMM (Registered DIMM) |
| Capacity | 48GB |
| DDR Generation | DDR5 |
| Speed Grade | DDR5-6400 |
| Data Transfer Rate | 6400 MT/s |
| Memory Bandwidth (theoretical) | ~51.2 GB/s per module |
| CAS Latency | CL46 (46-47-47 at 6400 MT/s) |
| Voltage | 1.1V |
| Error Correction | ECC (Error Correcting Code) with On-Die ECC (ODECC) |
| Buffer Type | Registered (RCD) — RDIMM |
| Ranks x Width | 2Rx8 |
| Die Configuration | High-Density DDR5 SDRAM |
| SPD Programmed Speed | 6400 MT/s |
| ECC Type | Full ECC (x72 bus width) |
| Operating Temperature | 0°C to 85°C (standard); STEC extended available |
| PCB Layers | 10-layer high-frequency PCB |
| Platform Compatibility | Intel Xeon Scalable (Granite Rapids / Sapphire Rapids HBM); AMD EPYC 9004/9005 (Genoa/Bergamo/Turin) |
| Validation | HPE ProLiant, Dell PowerEdge, Lenovo ThinkSystem, Supermicro; per Kingston compatibility matrix |
| Compliance | JEDEC DDR5 RDIMM standard; RoHS compliant |
| Product Dimensions | 133.35mm x 31.25mm (standard RDIMM) |
Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.
| Brand | Kingston |
| Category | Memory (RAM) |
| SKU | KING-KSM64R52BS4PMI48HMI |
| Part Number | KSM64R52BS4PMI-48HMI |
| Condition | New |
| Product Line | Server Premier |
| Model | KSM64R46BS4-48HA (representative SKU) |
| Form Factor | 288-pin RDIMM (Registered DIMM) |
| Capacity | 48GB |
| DDR Generation | DDR5 |
| Speed Grade | DDR5-6400 |
| Data Transfer Rate | 6400 MT/s |
| Memory Bandwidth (theoretical) | ~51.2 GB/s per module |
| CAS Latency | CL46 (46-47-47 at 6400 MT/s) |
| Voltage | 1.1V |
| Error Correction | ECC (Error Correcting Code) with On-Die ECC (ODECC) |
| Buffer Type | Registered (RCD) — RDIMM |
| Ranks x Width | 2Rx8 |
| Die Configuration | High-Density DDR5 SDRAM |
| SPD Programmed Speed | 6400 MT/s |
| ECC Type | Full ECC (x72 bus width) |
| Operating Temperature | 0°C to 85°C (standard); STEC extended available |
| PCB Layers | 10-layer high-frequency PCB |
| Platform Compatibility | Intel Xeon Scalable (Granite Rapids / Sapphire Rapids HBM); AMD EPYC 9004/9005 (Genoa/Bergamo/Turin) |
| OEM Validation | HPE ProLiant, Dell PowerEdge, Lenovo ThinkSystem, Supermicro; per Kingston compatibility matrix |
| Compliance | JEDEC DDR5 RDIMM standard; RoHS compliant |
| Product Dimensions | 133.35mm x 31.25mm (standard RDIMM) |
The Kingston Server Premier DDR5-6400 48GB ECC RDIMM is enterprise server memory designed for ECC-protected workloads — virtualization hosts, database servers, analytics platforms, and AI training rigs. Kingston validates this module against major server vendor compatibility matrices.
The Kingston Server Premier DDR5-6400 48GB ECC RDIMM is enterprise server memory designed for ECC-protected workloads — virtualization hosts, database servers, analytics platforms, and AI training rigs. Kingston validates this module against major server vendor compatibility matrices.
The Kingston Server Premier DDR5-6400 48GB ECC RDIMM is enterprise server memory designed for ECC-protected workloads — virtualization hosts, database servers, analytics platforms, and AI training rigs. Kingston validates this module against major server vendor compatibility matrices.
Key specifications for the Kingston Server Premier DDR5-6400 48GB ECC RDIMM: new condition; manufacturer Kingston; product line Server Premier; model KSM64R46BS4-48HA (representative SKU); form factor 288-pin RDIMM (Registered DIMM); capacity 48GB; ddr generation DDR5. Manufacturer part number KSM64R52BS4PMI-48HMI. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
Key specifications for the Kingston Server Premier DDR5-6400 48GB ECC RDIMM: new condition; manufacturer Kingston; product line Server Premier; model KSM64R46BS4-48HA (representative SKU); form factor 288-pin RDIMM (Registered DIMM); capacity 48GB; ddr generation DDR5. Manufacturer part number KSM64R52BS4PMI-48HMI. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.