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M393A4K40CB2-CVF
The M393A4K40CB2-CVF is an enterprise-grade DDR4 Registered DIMM module from Samsung, built for stable memory expansion in server and workstation platforms. With 32GB of capacity and 2933 MT/s speed, it delivers reliable performance for business-critical workloads while maintaining data integrity through ECC error correction.
As an RDIMM, the module includes a register component that buffers command and address signals, improving signal integrity when multiple DIMMs are installed in the same channel. This makes it well suited for dense memory configurations, virtualization hosts, cloud infrastructure, database servers, and high-performance computing applications where stability and capacity are both important.
Organized as 2Rx4 dual rank x4, the module provides a balance between capacity and memory access efficiency. It operates at 1.2V, helping to reduce power consumption and heat generation in always-on server environments. Samsung server memory modules are manufactured with strict quality control and compatibility testing to support long-term 24/7 operation in enterprise systems.
Note: RDIMM requires explicit motherboard and platform support. It cannot be mixed with UDIMM or other memory types in the same system.
Parameter | Specification |
|---|---|
Part Number | M393A4K40CB2-CVF |
Brand | Samsung |
Capacity | 32GB |
Memory Type | DDR4 SDRAM |
Form Factor | RDIMM (Registered DIMM) |
Speed | 2933 MT/s |
Standard | PC4-23400 |
ECC | Yes |
Organization | 2Rx4 (Dual Rank x4) |
Pin Count | 288 Pin |
Voltage | 1.2V |
CAS Latency | CL21 |
Application | Enterprise Server / Workstation |
32GB Capacity — High per-module capacity supports large memory configurations for enterprise workloads.
DDR4-2933 Performance — 2933 MT/s delivers fast data throughput for memory-intensive applications.
ECC Error Correction — Helps detect and correct memory errors to improve system reliability and uptime.
RDIMM Architecture — Registered signaling improves signal integrity for stable operation in multi-DIMM configurations.
2Rx4 Dual Rank Design — Balances capacity and access efficiency for consistent enterprise performance.
1.2V Low Voltage — Lower power consumption and reduced heat generation in server chassis.
Samsung Quality — Genuine Samsung components and strict testing for stable 24/7 enterprise operation.
Enterprise Rack Servers
Data Center Memory Upgrades
Cloud Computing Hosts
Virtualization Servers
Database Servers
High-Performance Computing (HPC)
Mission-Critical Enterprise Infrastructure
Q1: Is M393A4K40CB2-CVF compatible with desktop PCs? A: No. It is an RDIMM server memory module and requires a server motherboard that explicitly supports DDR4 RDIMM.
Q2: What does RDIMM mean? A: Registered DIMM uses a register to buffer command and address signals, improving stability in multi-DIMM server configurations.
Q3: Can I mix RDIMM with UDIMM? A: No. RDIMM and UDIMM are different memory types and should not be mixed in the same system.
Q4: What is the speed of this module? A: It runs at 2933 MT/s, corresponding to PC4-23400.
Q5: Does it support ECC? A: Yes, it supports ECC error correction for improved memory reliability in enterprise systems.
Q6: What is the voltage? A: 1.2V.
Q7: What is the rank organization? A: 2Rx4 (dual rank x4).
Q8: What is the CAS latency? A: CL21.
Q9: Does it come with a warranty? A: Please contact us for the exact warranty policy, as terms depend on stock condition and sales agreement.
Q10: How do I confirm compatibility? A: Check your server’s memory configuration guide or motherboard QVL to confirm support for DDR4 RDIMM 2933 2Rx4.
