| Product Type | DDR4 ECC Unbuffered DIMM |
| Memory Capacity | 8GB |
| Memory Speed | 2666MHz |
| Memory Standard | DDR4-2666 / PC4-21300 |
| CAS Latency | CL19 |
| Rank | 1Rx8 |
| Error Correction Code (ECC) | Yes |
| Buffered/Registered | Unbuffered |
| Chip Type | Micron DRAM |
| Form Factor | UDIMM |
| Module Configuration | 1024M x 64-bit |
| Pins | 288-pin |
| Voltage | 1.2V |
| Heat Spreader | No |
| Error Correction | Single-bit ECC |
| Power Requirements | 1.2V ±0.06V |
Kingston 8GB 2666MHz DDR4 ECC CL19 DIMM 1Rx8 Micron R RAM

Key Benefits
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- Ideal for enterprise and government solutions due to TAA compliance
- ECC support delivers high data integrity in critical applications
- Reliable Micron R chips ensure consistent performance in server environments
Product Overview
The Kingston 8GB 2666MHz DDR4 ECC CL19 DIMM 1Rx8 Micron R is engineered for high-performance computing environments that rely on memory stability and error correction. Built with ECC support, this module helps detect and correct memory errors to ensure improved data accuracy in server and workstation applications. The 1Rx8 rank configuration using Micron chips offers wide compatibility and balanced performance.
Operating at 2666MHz with CL19 latency, this TAA-compliant DIMM provides efficient throughput for regulated-sector deployments. It features an unbuffered ECC design, ideal for enterprise infrastructure needing stable memory operations. Manufactured in Taiwan and tagged with the part number KSM26ES8/8MR, it serves as a reliable building block for systems requiring consistent memory support.
Specifications
Product Overview
Physical & Environmental
| Module Dimensions (L x H) | 133.35mm x 31.25mm |
| Operating Temperature | 0°C to 85°C |
| Storage Temperature | -55°C to 100°C |
| Humidity (Non-Condensing) | 10% to 80% |
| Weight | Approximately 20g |
Compatibility
| Compatible Platforms | Workstations and Entry-Level Servers |
| System Compatibility | Intel and AMD DDR4 platforms supporting ECC UDIMM |
| Application Use | Enterprise, Servers, and Workstations |
Interfaces
| Interface Type | DDR4 DIMM Slot |
| Interface Speed | 2666 MT/s |
Compliance & Origin
| Country of Origin | Taiwan |
| TAA Compliant | Yes |
| RoHS Compliant | Yes |
| JEDEC Compliant | Yes |
| Halogen Free | Yes |
Identifiers
| Manufacturer | Kingston |
| Manufacturer Part Number | KSM26ES8/8MR |
| UPC | 740617325249 |
| Product Name | Kingston 8GB 2666MHz DDR4 ECC CL19 DIMM 1Rx8 Micron R |