Advantech 16GB 2Rx8 DDR4-2133P PC4-17000 ECC Registered Memory AQD-D4U16R21-SE

The Advantech 16GB 2Rx8 DDR4-2133P PC4-17000 ECC Registered Memory AQD-D4U16R21-SE is a server-grade DDR4 RDIMM memory module engineered to provide exceptional reliability, stability, and data integrity for enterprise servers, industrial computing platforms, network appliances, and professional workstation environments. Built with high-quality Samsung memory components and designed to meet JEDEC standards, this registered ECC module delivers dependable performance for mission-critical applications where system uptime is essential.

Featuring a 16GB capacity, DDR4-2133 MHz performance, and ECC Registered (RDIMM) architecture, the AQD-D4U16R21-SE helps improve memory scalability while reducing electrical loading on the memory controller. This makes it an ideal solution for virtualization hosts, edge computing deployments, embedded systems, industrial automation, storage servers, and enterprise infrastructure requiring stable long-term operation.

The integrated Error-Correcting Code (ECC) functionality automatically detects and corrects memory errors, helping to protect data integrity and improve system reliability in environments where performance and uptime cannot be compromised.

• Genuine Advantech enterprise memory module
• Part Number: AQD-D4U16R21-SE
• 16GB DDR4 SDRAM capacity
• ECC Registered (RDIMM) technology
• DDR4-2133P / PC4-17000 performance
• Dual Rank 2Rx8 architecture
• 288-pin DIMM form factor
• Samsung memory ICs
• CL15 low-latency operation
• 1.2V low-power design
• JEDEC-compliant construction
• Optimized for servers and industrial systems
• Enhanced reliability through ECC error correction
• Designed for continuous enterprise operation

The AQD-D4U16R21-SE is specifically designed for systems that require dependable memory performance under sustained workloads. The registered architecture improves signal integrity in multi-DIMM configurations while ECC technology helps prevent memory-related data corruption.

Benefits include:

• Automatic detection and correction of single-bit memory errors
• Improved server stability
• Higher memory subsystem reliability
• Reduced risk of application crashes
• Enhanced uptime for mission-critical workloads
• Greater scalability for enterprise platforms

The following memory modules are frequently used as compatible replacements or equivalent server-grade alternatives to the AQD-D4U16R21-SE:

• AQD-D4U16R21-SE
• AQD-D4U16GE21-SE
• M393A2G40DB0-CPB
• M393A2G40DB0-CRC
• HMA42GR7MFR4N-TF
• HMA42GR7AFR4N-TF
• MTA18ASF2G72PDZ-2G1
• MTA18ASF2G72PDZ-2G3
• KSM21RD8/16ME
• KVR21R15D4/16
• A6994465
• SNPJGGRTC/16G
• UCS-MR-1X162RY-A

Verify system compatibility, BIOS support, and RDIMM requirements before installation.

The Advantech AQD-D4U16R21-SE is commonly deployed in systems supporting DDR4 ECC Registered memory, including:

Advantech Industrial Platforms

• Advantech IPC Series Servers
• Advantech SKY Server Platforms
• Advantech Industrial Edge Systems
• Advantech Embedded Computing Platforms

Server Platforms

• Dell PowerEdge R430
• Dell PowerEdge R530
• Dell PowerEdge R630
• Dell PowerEdge R730
• Dell PowerEdge T430
• HPE ProLiant DL360 Gen9
• HPE ProLiant DL380 Gen9
• Lenovo ThinkSystem Servers
• Supermicro X10 and X11 Series
• Cisco UCS C-Series Servers

Workstation Platforms

• HP Z-Series Workstations
• Lenovo ThinkStation Systems
• Dell Precision Workstations
• Industrial Automation Controllers
• Network Security Appliances

• Enterprise servers
• Industrial automation systems
• Virtualization hosts
• Storage appliances
• Network infrastructure
• Database servers
• Edge computing deployments
• Embedded computing systems
• High-availability environments
• Cloud infrastructure platforms

The Advantech 16GB 2Rx8 DDR4-2133P PC4-17000 ECC Registered Memory AQD-D4U16R21-SE delivers the reliability, performance, and scalability required in professional computing environments. Combining 16GB of DDR4 capacity, ECC protection, registered memory architecture, and Samsung-based components, this module provides a dependable memory solution for servers, industrial computers, and mission-critical infrastructure where stability and data integrity are essential. Whether upgrading an existing enterprise platform or replacing a failed module, the AQD-D4U16R21-SE offers trusted server-grade performance backed by Advantech's reputation in industrial and embedded computing solutions.