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M391A2K43DB1‑CWE
Samsung M391A2K43DB1‑CWE is original 16GB DDR4 Unbuffered ECC UDIMM memory module, running at 3200MHz PC4‑25600, CL22 latency, 1.2V operating voltage, 288‑pin standard UDIMM form factor, 2Rx8 dual‑rank architecture.
Integrated ECC error correction detects and repairs single‑bit memory faults, preventing random freeze, crash and data corruption caused by memory bit flip under long‑time continuous workload. As unbuffered design without register chip, it maintains low signal latency and delivers good compatibility for hardware supporting ECC UDIMM standard.
DDR4 1.2V low‑voltage specification reduces power draw and thermal generation. Dual‑rank layout delivers high memory bandwidth and supports convenient capacity expansion.
Perfect for micro‑servers, embedded workstations, industrial controllers, NAS storage and edge computing devices for non‑stop business operations.
Note: This model is officially EOL discontinued by Samsung, supplied as original surplus or tested used stock. ECC function only activates on platforms supporting Unbuffered ECC UDIMM. Ordinary consumer desktop cannot enable ECC feature
The M391A2K43DB1-CWE is an authentic Samsung enterprise-level DDR4 ECC UDIMM memory module, adopting original high-reliability Samsung industrial DRAM chips. Featuring 16GB single-module mainstream capacity and mature 2Rx8 dual-rank high-stability architecture, it is specially designed for entry-to-mid-range enterprise servers, industrial control hosts, embedded workstations, small-scale data center nodes and commercial high-stability computing devices. It provides standardized, low-latency and high-reliability memory expansion for daily enterprise business processing, lightweight virtualization operation and 24/7 uninterrupted industrial stable computing, perfectly matching mainstream mid-tier enterprise equipment upgrade demands.
2. DDR4 3200MHz High-Efficiency Bandwidth & 1.2V Low Power Design
This enterprise ECC memory supports DDR4 3200MHz (PC4-25600) high-standard bandwidth, delivering faster data transmission efficiency and lower operational latency compared with lower-frequency DDR4 modules. It effectively improves system multi-thread response speed, daily business data read-write efficiency and real-time task processing capability, maintaining smooth and stable system operation under long-term medium and light loads. Adopting industry-standard 1.2V ultra-low-voltage energy-saving architecture, it greatly reduces continuous operating power consumption and heat generation, realizing long-term energy-saving and stable operation for enterprise and industrial computing devices.
3. Professional Pure ECC Error Correction & Operational Stability
Equipped with upgraded high-precision pure ECC real-time error correction technology, the M391A2K43DB1-CWE can instantly detect, identify and correct single-bit and multi-bit data errors during long-term continuous operation. It effectively avoids system stuttering, program crashes, data deviation and service interruption caused by electromagnetic interference, temperature fluctuation and long-term equipment aging in industrial and data center environments. It comprehensively enhances system operational stability and data accuracy, fully complying with enterprise and industrial high-reliability continuous operation specifications.
4. 2Rx8 Dual-Rank Stable Enterprise Architecture
Adopting professional 2Rx8 dual-rank standardized architecture customized for enterprise ECC UDIMM devices, this DDR4 memory integrates richer independent data transmission channels and balanced multi-task processing capability compared with single-rank modules. It optimizes signal scheduling logic, reduces daily operational transmission latency, and maintains stable 3200MHz full-frequency output without performance attenuation under long-term conventional enterprise loads. It perfectly adapts to daily business processing, lightweight virtualization, industrial data collection and conventional server cyclic computing tasks.
5. Ultra-Wide Temperature Resistance & Full Cross-Device Compatibility
Manufactured in strict accordance with Samsung’s top-tier enterprise production standards, the module supports stable operation within 0°C to 85°C ultra-wide temperature range, adapting to high-temperature, high-density and high-interference industrial and data center environments. With ultra-low failure rate and excellent cross-brand compatibility, it is fully compatible with mainstream entry-to-mid-range enterprise servers, industrial control hosts, embedded workstations and commercial ECC-supported computing devices, supporting plug-and-play rapid upgrade and stable batch capacity expansion.
Technical Specifications of M391A2K43DB1-CWE Samsung DDR4 ECC UDIMM▼
Item | Specifications |
|---|---|
Part Number | M391A2K43DB1-CWE |
Product Series | Samsung Standard Enterprise DDR4 ECC UDIMM |
Capacity | 16GB |
Memory Type | DDR4 Pure ECC UDIMM |
Frequency | 3200MHz (PC4-25600) |
Voltage | 1.2V Low Voltage |
Rank & Organization | 2Rx8 Dual Rank |
Timing Parameter | CL22 22-22-22 |
Pin Definition | 288-Pin Standard UDIMM |
Core Technology | High-Precision Pure ECC Real-Time Error Correction, 2Rx8 Dual-Rank Stable Architecture, DDR4 Low-Power Energy Saving, Anti-Interference Signal Buffering Technology |
Working Temperature | 0°C ~ 85°C Industrial Wide Temperature |
Form Factor | Standard Enterprise ECC UDIMM |
Core Advantages | 16GB mainstream enterprise capacity, 3200MHz high-speed DDR4 bandwidth, 2Rx8 dual-rank stable design, pure ECC high-precision error correction, 1.2V low power consumption, wide temperature resistance, 24/7 long-term stable operation |
Application Grade | Entry-to-Mid-Range Enterprise Servers, Industrial Control Hosts, Embedded Workstations, Small-Scale Data Center Nodes, Commercial High-Stability Computing Terminals |
Industrial Applications of M391A2K43DB1-CWE Samsung Enterprise DDR4 Memory▼
The M391A2K43DB1-CWE is a cost-effective standardized DDR4 memory solution for entry and mid-range enterprise server hardware upgrades. With 16GB mainstream capacity and 3200MHz high-speed bandwidth, it effectively solves insufficient memory bandwidth and low operational efficiency of old-generation server modules. The 2Rx8 dual-rank stable architecture ensures balanced system operation and sensitive task response, fully meeting daily stable operation and conventional business processing demands of small and medium enterprise servers.
2. Industrial Control & Embedded Workstation Deployment
Benefiting from pure ECC high stability and industrial-grade wide-temperature adaptability, this Samsung DDR4 memory is widely applicable to industrial control hosts and embedded workstations. It stably supports long-term cyclic data collection, equipment operation monitoring and industrial algorithm computing tasks. The real-time ECC error correction mechanism eliminates data errors caused by on-site electromagnetic interference and temperature changes, ensuring accurate data transmission and uninterrupted operation of industrial intelligent systems.
3. Small-Scale Data Center Node Operation
This high-reliability ECC UDIMM memory provides stable and efficient memory support for small-scale data center computing nodes and lightweight virtualization platforms. The 3200MHz high-efficiency bandwidth adapts to daily multi-user concurrent access, small-batch virtual machine operation and conventional data backup tasks. It maintains consistent and stable system output during 24/7 uninterrupted operation, reducing data deviation and system failure risks for small data center businesses.
4. Commercial High-Stability Computing Scenarios
With ultra-low failure rate and strong environmental adaptability, the module adapts to long-term continuous operation of commercial high-stability computing equipment. It effectively resists daily environmental interference and equipment aging, maintains stable system fluency during long-cycle medium-load operation, reduces equipment maintenance frequency, and ensures reliable and continuous operation of enterprise office and business computing systems.
5. Enterprise Low-Cost Hardware Iteration
As a mature mainstream DDR4 pure ECC enterprise memory module, it features excellent cross-brand device compatibility and plug-and-play rapid upgrade capability. It helps small and medium enterprises complete low-cost and high-efficiency server and industrial hardware iteration, upgrade overall system response and processing performance, and build energy-saving, low-maintenance and high-stability basic enterprise computing infrastructure.
