General

Engineer's Note

This 128GB DDR4-2933 Registered DIMM, featuring an Octal Rank x4 configuration and ECC, is engineered for enterprise servers and memory-intensive workloads such as virtualization and in-memory databases where maximum capacity per channel and data integrity are critical. Its registered signal type ensures stable operation under heavy load, while the error-correcting code guards against single-bit data corruption to maintain system reliability.

Technical Specs & Insights

1. ECC protection detects and corrects single-bit errors in real time, safeguarding financial transactions and in-memory databases against silent data corruption that could otherwise lead to service outages.

2. Registered buffering stabilizes signal integrity under heavy DIMM population, allowing a single server to reliably scale to multi-terabyte memory configurations for large-scale virtualization.

3. A massive 128 GB capacity per module lets a dual-socket server reach up to 2 TB of memory using only 16 slots, dramatically increasing VM density and in-memory workload headroom.

4. Octal Rank x4 organization multiplies the ranks per DIMM, delivering extreme capacity without sacrificing the channel-level parallelism required by concurrent analytics and high-performance computing threads.

5. The 2933 MT/s data rate provides sufficient bandwidth to keep modern multi-core server CPUs fed, reducing memory latency stalls during intensive database queries and virtual desktop deployments.

Why These Specs Matter

When you equip a data center with a single 128GB DDR4-2933 RDIMM like the MTA144ASQ16G72LSZ-2S9E1TI, you solve four critical pain points in one module. This is server memory, purpose-built for dense virtualization clusters and in-memory databases where failure is not an option. Its ECC technology silently corrects single-bit errors before they corrupt transactional data or crash a hypervisor hosting dozens of VMs — for a financial services application or a patient records system, that is the difference between a normal business day and a catastrophic silent data corruption event. The registered signal type buffers command and address buses, allowing a single server board to support 128GB per DIMM across all slots without compromising signal integrity; this directly translates to packing more virtual machines or larger Redis datasets onto fewer physical hosts. Inside, the octal-rank x4 organization delivers massive logical banks that sustain high 2933MT/s throughput even when your analytics workload streams heavy concurrent accesses, avoiding the bandwidth collapse lesser designs suffer under load. Meanwhile, the 1.2V operating voltage lowers thermal output and power draw at scale — in a 24-module deployment, that efficiency compounds into reduced cooling costs and a smaller carbon footprint without sacrificing the low CL21 latency that keeps real-time queries snappy.

Endurance & Reliability

General Virtualization
For dense virtualization hosts, this 128 GB RDIMM enables high VM density with reliable ECC protection. A typical dual-socket server populated with eight of these modules delivers 1 TB of total capacity, comfortably supporting over 100 moderate-sized VMs. We recommend a balanced memory configuration using one DIMM per channel to maintain 2933 MT/s speed while leaving slots for future expansion.

In-Memory Database
In-memory databases like SAP HANA or Redis demand both high capacity and data integrity, making this registered ECC module an ideal building block. With 128 GB per stick, a server can scale to multiple terabytes while the octal-rank design ensures stable signal integrity. Populate all memory channels identically to maximize bandwidth and strictly follow database vendor guidelines for capacity-to-core ratios.

High-Performance Computing (HPC)
HPC workloads often require high bandwidth and moderate-to-large capacity per node. This DDR4-2933 RDIMM fits well in clusters running simulation, CFD, or molecular dynamics. We suggest fully populating memory channels (e.g., eight modules in an 8‑channel platform) to achieve peak memory bandwidth, while the ECC feature guards against silent data corruption during long-running calculations.

Verified Compatibility

Verified compatible after rigorous testing with Dell PowerEdge R750, R740, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and more.

FAQ