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| Product Type | Memory Module |
|---|---|
| Compliance Standards | |
| Memory Capacity | 128 GB |
| Memory Technology | DDR4 |
| Product Voltage | 1.2 V |
| RAM Speed | 3200 MHz |
| RAM Standard | DDR4-3200/PC4-25600 |
| Error Identifying | ECC |
| Signal Type | Registered |
| Column Access Strobe (CAS) | CL22 |
| Rank | Quad Rank x4 |
| Quantity of Pins | 288-pin |
| RAM Genre | RDIMM |
This 128GB DDR4-3200 quad-rank RDIMM is purpose-built for enterprise servers running intensive virtualized environments and large in-memory databases, where its registered architecture and ECC ensure command/address stability and uncompromising data integrity across fully loaded memory channels. The Quad Rank x4 organization maximizes per-DIMM capacity while maintaining a balanced electrical load on the memory controller, making it the ideal scaling solution for dual-socket platforms that demand high total memory bandwidth and resilience.
1. A massive 128GB capacity per module maximizes memory density in server nodes, allowing more virtual machines to run concurrently without hitting swap bottlenecks.
2. The 3200MT/s transfer rate elevates memory bandwidth, accelerating in-memory databases and real-time analytics under heavy query loads.
3. ECC protection silently corrects single-bit errors and detects multi-bit corruption, safeguarding transactional integrity in financial or scientific computing.
4. Registered signal buffering stabilizes command and address lines at high capacities, enabling fully populated server boards to operate reliably around the clock.
5. Quad Rank x4 organization packs more DRAM banks per channel, sustaining high throughput in virtualized environments where multiple tenants compete for memory resources.
In modern data centers, the Samsung M393AAG40M32-CAEC0 128GB DDR4-3200 RDIMM is engineered directly for the toughest server workloads where silence isn’t an option. Its ECC technology actively corrects single-bit memory errors before they cascade, meaning a financial trading in-memory database or SAP HANA instance won’t suffer subtle data corruption from cosmic ray bit flips — a critical safeguard when even one inverted bit can break a transaction. The registered signal buffer stabilizes address and command buses across fully populated 24-slot servers, so your virtualization cluster hosting hundreds of VMs won’t experience intermittent signal degradation and crashes under heavy load. Packing quad-rank x4 organization, this module leverages deep bank interleaving to sustain higher bandwidth utilization; during cache-heavy Redis operations, that translates into lower tail latencies as concurrent read requests stream simultaneously. Finally, the massive 128GB footprint at 3200MT/s lets you double VM density per host node without sacrificing performance, keeping data-intensive containerized applications responsive and your total cost of ownership in check. This isn’t just memory — it’s the reliability foundation your always-on digital business depends on.
General Virtualization
This 128GB RDIMM is ideal for dense virtualization hosts running VMware ESXi or Hyper-V. A single module already delivers substantial capacity for dozens of moderate VMs, and installing six or eight modules (768GB–1TB total) in a dual-socket server provides headroom for over 200 light workloads. Balance population across memory channels per CPU to ensure linear bandwidth scaling and avoid NUMA penalties.
In-Memory Database
For Redis, Memcached, or SAP HANA, capacity and data integrity are paramount—this ECC Registered DIMM meets both demands. Populate all 8 or 12 DIMM slots per socket with these 128GB sticks to reach the 1.5TB–3TB range commonly required by in-memory analytics. Configure mirrored or rank-sparing modes if the platform supports it, reducing downtime risk for latency-sensitive transactions.
High-Performance Computing (HPC)
HPC applications like CFD, weather modeling, and molecular dynamics benefit from maximum bandwidth. Install one DIMM per channel (1DPC) to keep the memory bus at 3200MT/s without speed degradation from quad-rank loading. For capacity-bound simulations, fill all 16 or 24 slots in a dual-socket node in a balanced interleaved pattern, achieving massive 2TB+ memory pools while maintaining ECC resilience against silent data corruption.
Rigorously tested, compatible with Dell R750, HPE DL380 Gen10 Plus, Lenovo SR650 V2, and similar servers.
Q: Can I mix this M393AAG40M32-CAEC0 with other memory modules of different brands or speeds?
A: Mixing different brands or speeds is not recommended for server environments. It may cause instability and compatibility issues. For guaranteed reliability, populate all channels with identical M393AAG40M32-CAEC0 modules.
Q: Is this memory compatible with my system?
A: This is a DDR4-3200 Registered ECC RDIMM for servers. It is compatible with platforms supporting 288-pin RDIMM, such as Intel Xeon Scalable Gen 2/3 and AMD EPYC 7002/7003 series. Verify mainboard QVL lists.
Q: What is the recommended DIMM population order for optimal performance?
A: Follow your server motherboard’s population guide. Generally, balance modules evenly across all memory channels, populating identical DIMMs per channel. For quad-rank modules like this, install in primary slots first to maximize throughput.
Q: Does this module support overclocking or XMP profiles?
A: No. This enterprise RDIMM operates strictly at JEDEC standard DDR4-3200 CL22. It does not support XMP or overclocking; stability and data integrity are prioritized over performance tuning in server deployments.
Q: What warranty and typical failure rate can I expect?
A: This module includes a 1-year warranty. Built to stringent enterprise standards, it exhibits an extremely low annualized failure rate (typically below 0.5%), ensuring high reliability in 24/7 data center operations.