Manufacturer | Kingston |
Product Name | 64GB DDR4 2666MT/s ECC Reg CL19 DIMM 2Rx4 RAM |
Manufacturer Part Number | KSM26RD4/64MFR |
Type | DDR4 ECC Registered DIMM |
Memory Capacity | 64 GB |
Memory Speed | 2666 MT/s |
CAS Latency | CL19 |
Rank | 2Rx4 (Dual Rank) |
Module Type | RDIMM (Registered DIMM) |
Buffering | Registered (Buffered) |
Error Correction | ECC (Error-Correcting Code) |
Clock Speed | 2666 MHz |
Form Factor | DIMM |
Chip Component | Micron F RAM |
Power Supply | 1.2 V |
KINGSTON 64GB DDR4 2666MT/s ECC Reg CL19 DIMM 2Rx4 RAM



Key Benefits

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- Designed for enterprise environments requiring high-reliability memory with ECC and registered DIMM architecture
- TAA compliance and Taiwan origin support regulated or government-sector deployments
- High capacity and dual-rank configuration ensures excellent scalability for data centers and virtualized platforms
Product Overview
The Kingston 64GB DDR4 ECC Registered DIMM (KSM26RD4/64MFR) is engineered for server and enterprise computing environments that demand stable, high-capacity memory. Operating at a clock speed of 2666MT/s, this dual rank (2Rx4) module offers optimized bandwidth and throughput for memory-intensive workloads. With CL19 CAS latency, it balances responsiveness with reliability, ensuring seamless multitasking under demanding conditions.
This module includes ECC (Error Correction Code) functionality, which is critical for reducing the likelihood of data corruption in applications requiring high reliability. As a Registered (buffered) DIMM, it provides enhanced signal integrity for scalable systems. The product is manufactured by Kingston and features Micron F RAM chips, indicating premium-grade components. It is TAA compliant and produced in Taiwan, meeting government procurement standards and sourcing requirements.
Designed for data centers, virtualization environments, and large-scale compute tasks, the Kingston KSM26RD4/64MFR delivers dependable, high-performance memory expansion. Its robust build and specification profile make it suitable for mission-critical systems where uptime and data integrity are non-negotiable.
Specifications
Product Overview
Physical & Environmental
Module Dimensions | 133.35 mm x 31.25 mm |
Operating Temperature Range | 0°C to 85°C |
Storage Temperature Range | -55°C to 100°C |
Operating Humidity | 10% to 90% (non-condensing) |
Storage Humidity | 5% to 95% (non-condensing) |
Heat Spreader | No |
Weight | approx. 50 g |
Cloud Management & Licensing
Remote Monitoring Capable | No |
Cloud Management Interface | |
Licensing Requirements |
Interfaces
Interface Type | DDR4 SDRAM |
Pin Count | 288-pin |
Bus Type | PC4-21300 |
Data Transfer Rate | 21.3 GB/s (Theoretical) |
Compliance & Origin
UPC | 740617328707 |
Country of Origin | Taiwan |
TAA Compliant | Yes |
RoHS Compliant | Yes |
Halogen Free | Yes |
JEDEC Compliant | Yes |
Green Compliance | Yes |
Advanced Security Features
On-Module Encryption | No |
Secure Boot Compatibility | Yes (Platform Dependent) |
Advanced Error Detection | ECC |