General

Engineer's Note

This 16 GB DDR4-2400 ECC Unbuffered DIMM is engineered for workstations and entry-level servers where data integrity is paramount, pairing error correction with the low latency of an unbuffered signal path. Its dual-rank x8 organization and CL17 timing deliver stable multi-tasking throughput, making it particularly well-suited for virtualization, financial modeling, and memory-intensive content creation workloads that demand reliable, uninterrupted operation.

Technical Specs & Insights

1. ECC protection silently corrects single-bit memory errors, safeguarding data integrity in long-running server workloads and minimizing unexpected downtime.
2. DDR4 technology delivers improved power efficiency and bandwidth over previous generations, allowing servers to handle more simultaneous requests without thermal throttling.
3. A 16-gigabyte capacity provides a balanced foundation for virtualized environments, comfortably supporting multiple light to medium VMs and containerized services on a single host.
4. Dual Rank x8 organization interleaves memory banks to boost effective bandwidth, which enhances database query throughput and virtualization density under concurrent loads.
5. Unbuffered DIMM design reduces access latency and system cost, making it a pragmatic choice for entry-level servers and small-business NAS appliances where ECC is essential but register overhead is unnecessary.

Why These Specs Matter

When you are running a virtualized cluster or an in‑memory database on a cost‑conscious server platform, every memory transaction must be trusted. The Samsung M391A2K43BB1‑CRC00 is a 16 GB DDR4 UDIMM built precisely for these small‑to‑medium business servers and professional workstations where data integrity and energy efficiency are non‑negotiable. Its ECC protection silently corrects single‑bit errors caused by background radiation, directly preventing database corruption or unexpected VM crashes that would mean costly downtime. Because it is unbuffered, the module keeps latency low and is compatible with affordable ECC‑enabled motherboards—giving you enterprise‑grade reliability without the premium of registered memory.

With a dual‑rank x8 organization and an efficient 1.2 V operating voltage, this DIMM tackles two additional real‑world frustrations. In a VMware host juggling several virtual machines or a Redis instance serving thousands of queries per second, the dual‑rank interleaving noticeably raises sustained bandwidth, so applications feel responsive even under load. The low 1.2 V supply reduces power consumption and heat, which directly lowers cooling costs in a 24/7 on‑prem server closet. The DDR4‑2400 speed with CL17 timing strikes the right balance between fast response and stable operation, ensuring your deployment remains rock‑solid whether you are processing financial transactions overnight or running a building’s surveillance analytics. For IT managers who cannot compromise on uptime or budget, this module translates technical specifications into peace of mind.

Endurance & Reliability

General Virtualization
For general virtualization, install these 16GB ECC UDIMMs in a balanced configuration across all available memory channels. A typical dual‑socket server with six channels per CPU benefits from twelve identical modules (192GB total), ensuring uniform bandwidth and ample capacity for dozens of virtual machines. The ECC protection is essential to prevent memory errors from corrupting multiple tenant workloads.

In-Memory Database
In‑memory databases require high capacity and low latency. Leverage the dual‑rank design of these DIMMs to populate slots densely—aim for at least 256GB (16 modules) to keep large datasets in RAM. Dual‑rank interleaving offsets the moderate DDR4‑2400 speed, while the unbuffered ECC architecture keeps access latency minimal for real‑time query performance.

High-Performance Computing (HPC)
HPC nodes demand peak memory throughput. Fully populate each memory channel with matching 16GB dual‑rank x8 DIMMs; on an eight‑channel platform, that yields 128GB of symmetric bandwidth. The unbuffered ECC design sustains reliable data integrity through multi‑day simulations, and the dual‑rank organization helps maintain high streaming efficiency during parallel floating‑point workloads.

Verified Compatibility

Rigorously tested server memory, compatible with Dell PowerEdge R230, HPE ProLiant ML30 Gen10, and Lenovo ThinkSystem ST250.

FAQ