General

Engineer's Note

This 128GB DDR4-2933 registered ECC module (PC4-23400, Quad Rank x4, CL21) is engineered for enterprise server platforms, delivering exceptional memory capacity and data integrity for virtualization, in-memory databases, and mission-critical workloads. Its registered signal design ensures stable operation under heavy multi-DIMM configurations, while ECC corrects single-bit errors and the quad-rank layout maximizes density per channel without compromising reliability.

Technical Specs & Insights

1. 128GB module capacity drives extreme virtual machine density per server, allowing infrastructure consolidation without exhausting DIMM slots.
2. ECC error correction preserves data integrity at every access, preventing silent memory corruption that could crash financial ledgers or hypervisor kernels.
3. Registered signal buffering strengthens command and address line integrity, enabling fully loaded server boards to scale memory without compromising stability.
4. Quad Rank x4 organization packs maximum capacity into a single socket, supplying the memory footprint that real-time analytics and large in-memory databases demand.
5. 2933MHz speed elevates overall memory bandwidth, accelerating data ingestion and query response times in enterprise cloud and virtualization platforms.

Why These Specs Matter

This 128GB DDR4-2933 RDIMM is built for enterprise servers, and its four key attributes directly tackle the pain points of virtualization clusters and in-memory databases. ECC automatically corrects single-bit errors, a critical safeguard when an undetected bit flip in a trading or healthcare database could corrupt millions of transactions silently. The Registered buffer isolates the memory controller from electrical loads, so you can populate a server with a terabyte of memory while avoiding signal degradation and random crashes—essential for hosting over a hundred virtual machines where downtime impacts multiple tenants. A single 128GB module means even a mid-range server can scale to massive in-memory pools, letting you run entire Redis or SAP HANA datasets in RAM for near-instant responses. Finally, the Quad Rank x4 design employs interleaving to boost concurrent bandwidth, keeping throughput high when dozens of VMs or heavy analytics workloads pound the memory bus. In short, this RDIMM converts raw specs into fortified stability and real-time data agility.

Endurance & Reliability

General Virtualization
For dense server virtualization, these 128 GB quad‑rank RDIMMs enable extreme VM density with data integrity. A best‑practice design installs one DIMM per memory channel to maintain the full 2933 MT/s speed, as populating more than one quad‑rank module per channel often forces a clock reduction. In a typical dual‑socket platform with twelve channels, twelve modules offer 1.5 TB of capacity, comfortably hosting hundreds of virtual machines under ECC protection.

In-Memory Database
In‑memory databases such as SAP HANA demand maximum capacity and unwavering reliability. Populating every channel with a single 128 GB module delivers a 1 TB pool on an 8‑channel system while avoiding the speed penalties caused by multiple quad‑rank DIMMs. This configuration keeps the entire dataset in resilient, error‑corrected memory at 2933 MT/s, yielding the ultra‑low latency essential for real‑time analytics.

High-Performance Computing (HPC)
HPC workloads thrive on memory bandwidth, making a fully populated channel architecture critical. Installing one 128 GB RDIMM in each channel of a dual‑processor server—twelve modules, 1.5 TB total—maximizes parallel data access for simulation and model training. The 2933 MT/s transfer rate and registered ECC signalling guarantee deterministic, error‑free runs throughout multi‑day compute jobs.

Verified Compatibility

Rigorously tested server memory, validated for Dell PowerEdge R750, HPE ProLiant DL380 Gen10, Lenovo ThinkSystem SR650, and more.

FAQ