Samsung 16GB DDR4 RDIMM - DDR4 (M393A2K43DB0-CPB)

Brand: Samsung | Category: Memory (RAM)

SKU: M393A2K43DB0-CPB | Part #: M393A2K43DB0-CPB | MPN: M393A2K43DB0-CPB

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Samsung's M393A2K43DB0-CPB stands out in the registered DDR4 market primarily for its conservative timing and low operating voltage—a CL15 latency at just 1.2V makes this module reliable for latency-sensitive infrastructure that cannot tolerate jitter or thermal drift. This combination is especially valuable for high-frequency trading systems, in-memory databases like Redis or Memcached, and any workload where nanoseconds matter. At 2133 MHz (PC4-17000), the module delivers a theoretical peak data transfer rate of 17,000 MB/s, which may seem modest by modern standards, but this specification reflects the module's design purpose: stability and error correction rather than raw speed chasing.

The Samsung DDR4 RDIMM is a registered memory module built with dual-rank architecture (2Rx4 organization) and full ECC support, making it the default choice for server administrators and infrastructure teams deploying systems that demand fault tolerance. Unlike consumer-grade unbuffered memory, the register buffer on this Samsung part isolates the DRAM from the memory controller, which reduces electrical load and extends module lifespan in 24/7 environments. The 16GB capacity per stick is the workhorse density for multi-socket Intel Xeon E5-2600 v3 and v4 systems that still power a significant portion of enterprise and co-location data centres across the Gulf and Southeast Asia. Whether you're managing a legacy refresh cycle or filling gaps in heterogeneous infrastructure, the M393A2K43DB0-CPB remains a practical fit.

Platform compatibility is narrow by design: this Samsung module is engineered exclusively for Intel Xeon E5-2600 series processors, which means qualification and testing have been tuned to that socket and chipset. The 288-pin RDIMM form factor and x4 chip organization (four-bit data width per DRAM chip) are standard for server-class memory, and the dual-rank configuration allows higher density per channel without sacrificing performance per gigabyte. Operating temperature range from 0°C to 85°C confirms that the module is built for air-cooled data centre environments, not edge cases or exotic cooling schemes. Storage architects and procurement teams at multinational firms and domestic GCC enterprises often specify Samsung memory by part number precisely because of this transparency and predictable behavior in mixed-vendor estates.

The ECC (Error-Correcting Code) capability is non-negotiable in server environments. Every bit is protected against single-bit errors, and many systems can detect (though not always correct) multi-bit errors, which is essential for mission-critical applications where memory corruption can cascade into silent data loss. The Samsung brand carries weight in procurement because of its manufacturing consistency and low failure rates in the field—system integrators and OEM partners have built their confidence over years of deployments. When a storage architect or network engineer selects the M393A2K43DB0-CPB, they are choosing a module that has shipped in millions of enterprise units and carries predictable thermal and electrical behaviour. This is not exotic hardware; it is proven hardware that works when it needs to.

Omnixon Global supplies the Samsung M393A2K43DB0-CPB across the GCC region, serving data centres, AI infrastructure labs, and enterprise IT procurement teams in the UAE, Saudi Arabia, Kuwait, and beyond. We maintain stock depth and can support bulk orders for infrastructure refreshes, expansion racks, and development environments. If you are evaluating this memory module for a specific architecture or require compatibility verification for your platform, we welcome your request for quotation and technical consultation. Contact us to discuss your project requirements and lead times.

Performance Specifications and Memory Characteristics

• Memory Capacity: 16GB per module; dual-rank architecture (2Rx4) for higher density per channel
• Speed and Latency: 2133 MHz (PC4-17000) with CL15 timing at 1.2V operating voltage—optimized for stability in latency-sensitive workloads
• Error Correction: Full ECC support with x4 chip organization; single-bit error detection and correction standard
• Form Factor and Interface: 288-pin RDIMM (Registered DIMM) with registered buffer to isolate memory controller load
• Processor Compatibility: Qualified and tested for Intel Xeon E5-2600 v3 and v4 series only; not backward or forward compatible
• Thermal Profile: Operating range 0°C to 85°C supports standard air-cooled and liquid-assisted data centre environments
• Data Transfer Rate: 17,000 MB/s theoretical peak; consistent performance under sustained load due to registered design