Type | Registered ECC Memory Module |
Form Factor | 288-pin DIMM |
Memory Capacity | 16 GB |
Memory Technology | DDR4 SDRAM |
Memory Speed | 2666 MHz |
CAS Latency | CL19 |
Registered/Unbuffered | Registered (Buffered) |
Error Checking | ECC |
Power Supply Voltage | 1.2 V |
Module Rank | Dual Rank |
Compatibility | Server and Workstation Platforms |
Buffered/Registered | Yes (Registered) |
Heat Spreader | No |
TAA Compliant | Yes |
Kingston 16GB DDR4-2666MHz ECC DIMM CL19 Module


Key Benefits

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- Ideal for enterprise environments that require ECC memory for data integrity and uptime
- Low power consumption at 1.2V reduces operational costs and heat output
- High-speed 2666 MHz performance meets modern workload demands in servers and workstations
Product Overview
The Kingston 16GB DDR4-2666MHz Reg ECC Module (Part Number: KCS-UC426/16G) is tailored for professional-grade computing systems including servers and high-performance workstations. Engineered with ECC (Error-Correcting Code), it ensures accurate data processing by automatically detecting and correcting memory errors, making it ideal for mission-critical applications that demand system reliability and minimal downtime.
Featuring a standard DRAM DDR4 architecture, this module operates at a memory speed of 2666 MHz and offers a latency of CL19 for balanced response times under typical workloads. The 288-pin DIMM form factor ensures compatibility with most enterprise-class motherboards that support registered ECC memory. Designed to meet TAA compliance and manufactured in Taiwan, this module supplies consistent power efficiency at only 1.2 volts, reducing operational heat and extending component longevity.
Whether extending existing memory capacity or deploying new enterprise infrastructure, this Kingston module provides a cost-effective and dependable memory upgrade. Its ECC capabilities and robust construction translate into real-world ROI through minimized errors, reduced maintenance, and dependable long-term performance.
Specifications
Product Overview
Physical & Environmental
Dimensions (W x H) | 133.35 mm x 31.25 mm |
Operating Temperature | 0°C to 85°C |
Storage Temperature | -55°C to 100°C |
Humidity (non-condensing) | Up to 85% |
Weight | Approximately 20 g |
Advanced Security Features
ECC Support | Yes – On-die ECC for improved data reliability |
Interfaces
Interface Type | DDR4 |
Pin Count | 288-pin |
Data Bus Width | 72-bit (64-bit data + 8-bit ECC) |
Module Bandwidth | PC4-21300 |
Data Rate | 2666 MT/s |
Compliance & Origin
Country of Origin | Taiwan |
RoHS Compliant | Yes |
JEDEC Compliant | Yes |
Halogen Free | Yes |
UL Certification | Yes |
ISO 9001 Certified Manufacturing | Yes |
Cloud Management & Licensing
Cloud Management | |
Licensing Required |