General

Engineer's Note

This RDIMM is a server-class DDR4-2933 ECC Registered memory module purpose-built for virtualization, in-memory databases, and enterprise workloads that demand uncompromising data integrity. Its quad-rank design maximizes capacity density per channel, while registered signaling preserves robust signal integrity and ECC actively corrects single-bit errors to ensure system stability in fully populated 24/7 server environments.

Technical Specs & Insights

1. ECC error correction transparently detects and fixes single-bit memory faults, preserving the data integrity that financial ledgers and virtualized database servers depend on for non-stop operation.
2. The registered buffer re-drives command and address signals, making it possible to populate all DIMM slots in a dense rack server without signal collapse under heavy load.
3. A 16-gigabyte capacity per module gives infrastructure architects a cost-effective grain size to build balanced memory configurations for large-scale private clouds.
4. Quad Rank organization packs more DRAM devices onto the stick, maximizing per-slot density to host extra virtual machines while leaving expansion room for future scaling.
5. 2933 megatransfers per second bandwidth keeps multi-core server CPUs fed with data, accelerating in-memory analytics, caching tiers, and concurrent user requests.

Why These Specs Matter

When you deploy a virtualized cluster or an in-memory database, memory errors and downtime are not an option. The Samsung M393A2K40CB2-CVFCO is a 16GB DDR4-2933 Registered DIMM purpose-built to eliminate those risks. Its ECC engine constantly detects and corrects single-bit flips — silent data corruption that, in a hypervisor hosting dozens of VMs, could cascade into application crashes or data loss. The Registered architecture buffers command and address signals, allowing the platform to scale to quad-rank configurations without signal degradation, so you can populate all channels and maintain rock-solid stability under heavy multi-DIMM loads. With quad-rank organization, the module delivers denser internal bank interleaving; for an in-memory database like Redis or SAP HANA, this means higher sustained bandwidth and lower access latency when simultaneous read/write streams collide. The 2933 MT/s speed and 1.2V low-power design then ensure that every watt of your data-center power budget translates directly into throughput, not waste heat. In practice, this module lets you run more virtual machines per host and accelerate real-time analytics without worrying about memory-induced integrity failures or downtime.

Endurance & Reliability

General Virtualization
Deploy these 16GB registered ECC modules in balanced configurations across all memory channels to ensure consistent performance for virtual machines. A typical dual-socket server benefits from installing 8 identical DIMMs (128GB total) to comfortably host dozens of light-to-medium VMs, or 16 DIMMs (256GB) for higher consolidation ratios, relying on ECC to protect multi-tenant uptime.

In-Memory Database
Maximize both capacity and bandwidth by populating every memory channel with identical quad-rank RDIMMs. Start with at least 16 modules per server to keep entire datasets in DRAM and reduce storage I/O bottlenecks. Be aware that fully populating all slots with quad-rank DIMMs may force the memory controller to step down speed; consult the server’s population guidelines to balance capacity against clock rate.

High-Performance Computing (HPC)
For bandwidth-sensitive workloads, install one DIMM per channel to sustain the full 2933 MT/s data rate. A common node build uses 8 or 16 of these 16GB modules, achieving 128GB–256GB of local memory while keeping latencies predictable. Pair with careful NUMA domain binding to minimize remote memory accesses and maximize floating-point throughput.

Verified Compatibility

Rigorously tested, this server memory is compatible with Dell PowerEdge R760, HPE ProLiant DL380 Gen11, Lenovo ThinkSystem SR650 V3, and more.

FAQ