Samsung 32GB DDR4 RDIMM - DDR4

Brand: Samsung | Category: Memory (RAM)

SKU: M393A4K43DB2-CVF | Part #: M393A4K43DB2-CVF | MPN: M393A4K43DB2-CVF

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Samsung's 32GB DDR4 RDIMM model M393A4K43DB2-CVF is purpose-built for enterprise and data centre environments where memory reliability and platform scalability take precedence over raw speed. This is a registered DIMM, which means it sits between consumer-grade unbuffered memory and the higher-density LRDIMM variants—a critical distinction that determines which server platforms will recognize it and how many modules you can deploy per socket. The 4-rank configuration (4Rx4) with full ECC protection makes this module a workhorse for mission-critical infrastructure where a single bit flip could corrupt data or crash workloads. If your infrastructure team is evaluating memory upgrades for virtualization hosts, database servers, or AI training clusters, the rank density and error-correcting architecture of this Samsung module should be your first technical checkpoint before any conversation about speed or pricing begins.

The M393A4K43DB2-CVF operates at DDR4-2933 (PC4-23400) with a 72-bit data path—64 bits of actual data plus 8 bits reserved for ECC—and a CAS latency of CL21. For most server workloads in the GCC region, this speed and latency combination delivers predictable, stable performance without the thermal management complexity or cost premium of higher-frequency DDR4 modules. Samsung engineered this module to run at 1.2V, which is the JEDEC standard for DDR4 and translates to lower operating temperatures across your memory array. The low-profile form factor (31.25mm) means it will fit in standard server chassis without requiring exotic mounting solutions, even in densely-packed blade or 1U configurations. Storage architects and infrastructure planners favour Samsung's DDR4 RDIMM line because the combination of moderate speed and conservative voltage envelope reduces cooling load on the data centre facility—a meaningful consideration when you're running large memory estates across dozens or hundreds of servers.

Registered DIMMs introduce a register between the DRAM array and the memory controller, which adds one clock cycle of latency but dramatically improves signal integrity and allows higher module density per socket. The 288-pin architecture of this Samsung module is the standard for all DDR4 RDIMMs; compatibility is determined by your server platform's registered DIMM support, not by variations in the module itself. Enterprise server vendors—Dell, HPE, Lenovo, Supermicro—have fully validated Samsung's DDR4 RDIMM portfolio for their respective platforms, and the M393A4K43DB2-CVF carries JEDEC DDR4 compliance certification. The thermal sensor built into the module allows your server's management firmware to monitor memory temperature in real time and throttle performance if thermal thresholds are breached, adding a layer of automated protection that unbuffered memory cannot provide. Your sysadmin or infrastructure operations team will appreciate this feature when managing large-scale deployments where individual module inspection is impractical.

ECC (Error-Correcting Code) memory is non-negotiable in enterprise data centres, and Samsung's implementation on the M393A4K43DB2-CVF includes on-die ECC support, which means error correction logic is built into the DRAM chips themselves. This protects against single-bit errors that could otherwise cascade into data corruption or application crashes. The operating temperature range of 0°C to 85°C is typical for enterprise DRAM, but real-world performance depends on air flow and ambient conditions in your specific facility. In the GCC region, where ambient temperatures regularly exceed 40°C, the low-profile and low-voltage design of this Samsung module helps keep internal die temperatures well within safe margins. Network and systems engineers evaluating memory for virtualisation platforms, database clusters, or high-performance computing applications will find that the 4-rank density and ECC architecture make this module a natural fit for mixed-workload environments where uptime and data integrity are measured in nines.

Omnixon Global stocks the Samsung M393A4K43DB2-CVF and compatible enterprise memory solutions across our UAE and GCC distribution network, supporting data centre build-outs, system integrations, and memory upgrades for enterprises across the Middle East, South Asia, and Europe. Whether you're provisioning a new virtualization cluster, expanding an existing AI laboratory, or maintaining critical database infrastructure, we can supply validated modules with full technical documentation and warranty support. Contact our technical sales team to discuss compatibility with your specific server platform, volume pricing, and logistics for your next procurement cycle.

Performance & Compatibility Specifications

• 32GB capacity per module, 4-rank (4Rx4) configuration for dense per-socket deployment on registered-DIMM platforms
• DDR4-2933 MT/s speed with CAS latency CL21; JEDEC-compliant architecture ensures broad vendor validation
• Full ECC protection with 72-bit data path (64-bit data + 8-bit ECC) and on-die ECC support for single-bit error correction
• Low-profile form factor (31.25mm height) and 1.2V standard voltage reduce thermal footprint and cooling requirements in dense server environments
• 288-pin registered DIMM interface with integral thermal sensor for real-time temperature monitoring and firmware-based thermal throttling
• Samsung manufacturer part number M393A4K43DB2-CVF; compatible with Dell PowerEdge, HPE ProLiant, Lenovo ThinkSystem, and Supermicro platforms supporting DDR4 RDIMM
• Operating range 0°C to 85°C; validated for both air-cooled and liquid-cooled server chassis in enterprise data centre environments