General

Engineer's Note

This Samsung M393B2G70BH0-CH909 is a server-class DDR3 registered ECC DIMM built for enterprise platforms demanding high data integrity, making it ideal for virtualization environments, in-memory databases, and mission-critical workloads. Its dual-rank x4 organization combined with registered signal architecture ensures stable operation at 1333MHz with CL9 latency, while the integrated ECC engine actively detects and corrects single-bit errors to prevent data corruption in 24/7 operations.

Technical Specs & Insights

1. Generous per-module density allows infrastructure teams to pack more memory into each server, directly elevating virtual machine density and large in-memory database capacity without occupying additional slots.
2. Integrated error correction detects and repairs bit-flips in real time, preserving transactional integrity and uninterrupted uptime in financial processing or database servers where data accuracy is absolutely critical.
3. The registered buffer re-drives address and control signals, preserving signal integrity across heavily populated memory channels and enabling confident scaling to massive total capacities in virtualization hosts.
4. Dual rank organization interleaves internal bank accesses to keep the memory pipeline saturated, delivering the steady throughput needed when multiple virtual machines contend for resources simultaneously.
5. Its mainstream transfer rate is aligned with legacy-proof enterprise deployments, supplying dependable bandwidth for steady-state ERP, web serving, and consolidation workloads that demand consistent, hiccup-free responsiveness.

Why These Specs Matter

In mission-critical data centers, memory integrity is non-negotiable. The Samsung M393B2G70BH0-CH909 is a 16GB DDR3-1333 Registered DIMM with ECC, purpose‑built for always‑on virtualization hosts and in‑memory databases. Its error‑correcting code transparently detects and fixes single‑bit errors, shielding your financial batch processing or virtual machine fleet from silent data corruption that could crash entire application stacks. The registered architecture buffers command and address signals, so you can fully populate 24 or more DIMM slots in a virtualized cluster without signal degradation—directly delivering stable, high‑capacity pools for dozens of VMs. Dual‑rank x4 organization enables row‑interleaving, which gives demand‑heavy database engines like SAP HANA or Redis measurably higher sustained bandwidth and consistently lower latency under concurrent query loads. The 16GB density per socket means you scale dense memory configurations with fewer modules, reducing cost and extending server longevity. Combined with standard 1.5V operation, this RDIMM translates into uncompromising error‑free uptime, predictable throughput, and the peace of mind that your critical services never miss a beat.

Endurance & Reliability

General Virtualization
Populate one DIMM per channel to preserve bandwidth and avoid bus loading. In a dual‑socket server with four or six memory channels, installing a single 16 GB RDIMM per channel delivers 128–192 GB, comfortably supporting dozens of general‑purpose VMs while keeping latency low and maintaining the full 1333 MHz speed.

In‑Memory Database
Maximize capacity by filling all available slots, typically two DIMMs per channel (2DPC). A fully loaded two‑socket system can reach 384 GB or more, which is essential for large in‑memory datasets. The module’s ECC and registered architecture ensures data integrity under continuous heavy load, although some platforms may down‑clock to 1066 MHz in 2DPC configurations.

High‑Performance Computing
Bandwidth is the top priority: install exactly one DIMM per channel to sustain 1333 MHz and exploit dual‑rank interleaving. Eight modules per CPU (128 GB) provide the ideal balance of high throughput, moderate capacity, and acceptable power draw for typical HPC node workloads.

Verified Compatibility

Verified for Dell PowerEdge R720/R620, HP DL380p Gen8, and more. Rigorously tested server-grade memory.

FAQ