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| Product Type | Memory Module |
|---|---|
| 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 RDIMM is engineered for enterprise servers and high-density virtualization platforms, where its quad-rank x4 configuration maximizes memory capacity per channel while Registered ECC ensures signal integrity and data protection under heavy load. The combination of CL22 latency and 1.2V efficiency makes it an ideal choice for memory-resident databases and large-scale virtualization workloads demanding both reliability and consistent throughput.
1. Registered clock driver buffers command and address signals, enabling stable operation across fully populated server memory channels without signal degradation that could crash virtualized workloads.
2. ECC protection transparently detects and corrects single-bit memory errors, preserving data integrity for financial transactions and long-running analytics that cannot tolerate silent corruption.
3. Quad Rank x4 organization packs more logical banks onto the module, sustaining high command bus efficiency under heavy consolidation of enterprise VMs and container fleets.
4. High-capacity module density reduces the number of physical slots needed to reach terabyte-scale memory pools, directly lowering server hardware sprawl and per-VM licensing overhead.
5. Elevated DDR4 data rate equips multi-core Xeon and EPYC processors with the sustained local bandwidth required for real-time in-memory databases and high-concurrency user services.
Designed for enterprise servers, the Samsung M393AAG40M32-CAE is not just another DIMM—it is a strategic foundation for your infrastructure. This 128GB DDR4-3200 RDIMM harnesses ECC to actively correct single-bit errors and detect multi-bit failures, directly preventing silent data corruption that could crash a financial transaction ledger or quietly poison a long-running analytics database. In a virtualized cluster, its Registered signal buffering stabilizes command and address lines even when all channels are fully populated, meaning you can confidently pack more VMs onto each host without intermittent memory-related failures. The Quad Rank x4 organization delivers the raw density required for memory-hungry deployments like in-memory databases: running SAP HANA or a large Redis cluster becomes feasible without spreading datasets across slower storage, while the 3200 MT/s speed keeps query latencies in microsecond territory. Meanwhile, the 1.2V operating voltage reduces thermal load across your rack, cutting cooling costs in scaled-out data centers. For your hypervisors and mission-critical databases, this module translates directly to longer uptime, higher VM density, and uncompromising data integrity.
General Virtualization
Capitalize on the 128GB Registered ECC DDR4-3200 module to build dense, reliable hosts. For a dual-socket server with eight memory channels per CPU, install one of these quad-rank DIMMs per channel to achieve 2TB total capacity while sustaining full 3200MT/s speed. This provides ample headroom for dozens of VMs without throttling.
In-Memory Database
Deploy these modules to deliver voluminous, error-free RAM for SAP HANA, Redis, or Memcached. Populate all memory channels symmetrically—typically one per channel—to maximize interleaving and reduce latency. The high capacity per stick allows a single server to host terabytes in memory, while ECC safeguards transactional integrity.
High-Performance Computing
For memory-bandwidth-bound workloads, limit population to one module per channel to avoid the speed downgrade from mixing quad-rank DIMMs. With this, you still achieve enormous capacities needed for large-scale simulation or modeling. The registered buffer ensures signal stability in dense nodes, and ECC corrects errors in long-running jobs.
Rigorously tested, compatible with Dell PowerEdge R750, HPE ProLiant DL380 Gen10 Plus, Lenovo ThinkSystem SR650 V2, and similar servers.
Q: Can I mix this M393AAG40M32-CAE with other memory modules of different brands or speeds?
A: Mixing RDIMMs of different brands or speeds is strongly discouraged. Inconsistent timings and ranks often cause boot failures or instability in enterprise servers. Use identical, validated modules for guaranteed compatibility and reliable 24/7 operation.
Q: Is this memory compatible with my system?
A: This DDR4-3200 Registered ECC RDIMM targets Intel Xeon Scalable and AMD EPYC servers with 288-pin slots. Confirm your board’s QVL and chipset support for 128GB quad-rank RDIMMs before ordering to ensure proper signal integrity and maximum capacity.
Q: What is the recommended DIMM population order for optimal performance?
A: Refer to your server’s manual and balance identical DIMMs across memory channels. Typically, populate one DIMM per channel first, then extend to additional slots symmetrically. This maintains interleaving and avoids bandwidth penalties from unbalanced configurations.
Q: Does this module support overclocking or XMP profiles?
A: No. This is a JEDEC-compliant enterprise RDIMM engineered for consistent 3200 MT/s at CL22. It does not support overclocking or XMP profiles, as server memory prioritizes error-free stability and coherency over variable timings.
Q: What warranty and typical failure rate can I expect?
A: It is backed by a 1-year warranty. These Samsung RDIMMs demonstrate an extremely low annualized failure rate, typically below 0.5% in controlled datacenter environments, ensuring high reliability for mission-critical workloads.