SAMSUNG M393A4K40DB2-CVFC0 Rdimm Ecc Server 32GB 48 2RX4 PC4-2933Y
( Brand: Samsung ), ( Manufacturer Part Number: M393A4K40DB2-CVFC0 ), ( Form Factor: Rdimm ), ( Type: Ddr4 Sdram ), ( Total Capacity: 32 Gb ), ( Bus Speed: Pc4-23400 ), ( Memory Features: Ecc Memory, Registered ), ( Country Of Origin: China )
Review SAMSUNG Lot Of 48 2rx4 Rdimm Ecc Server
The **Samsung M393A4K40DB2-CVFC0** is a high-performance **48GB (2 x 32GB) Registered DDR4 RDIMM ECC memory module** engineered specifically for enterprise and server-grade applications, delivering uncompromising reliability, speed, and efficiency in demanding computing environments. Designed to meet the rigorous standards of modern data centers, this module operates at an optimized **PC4-2933Y (DDR4-2400) speed**, ensuring seamless compatibility with high-end server platforms while maximizing throughput for memory-intensive workloads such as virtualization, cloud computing, and high-performance databases. The **240-pin RDIMM (Registered Dual In-Line Memory Module)** architecture enhances signal integrity and reduces power consumption, making it ideal for large-scale server configurations where stability and scalability are critical. With **ECC (Error-Correcting Code) technology**, this memory module actively detects and corrects single-bit errors, safeguarding data integrity in mission-critical applications where uptime and accuracy are non-negotiable. The **low-power, high-density design** ensures efficient heat dissipation, contributing to longer component lifespans and reduced operational costs in server environments. Built with Samsung s proprietary **96-layer 16Gb DDR4 DRAM chips**, this module achieves a robust **2400MHz data transfer rate**, providing the bandwidth necessary for modern workloads while maintaining exceptional latency performance. Whether deployed in **Intel Xeon or AMD EPYC-based servers**, this memory module is a cornerstone for high-performance computing, offering a perfect balance of speed, endurance, and reliability for businesses demanding peak operational efficiency.
**Pros and Cons of buying a Samsung M393A4K40DB2-CVFC0 (48GB, 2Rx4, PC4-2933Y RDIMM ECC Server Memory)**
### **Pros**
1. **High Capacity and Performance**
The 48GB configuration (2Rx4) provides substantial memory for high-demand workloads such as virtualization, large databases, or high-performance computing (HPC). The RDIMM (Registered DIMM) design helps manage signal integrity over longer memory channels, reducing latency and improving stability in multi-socket servers.
2. **ECC (Error-Correcting Code) Support**
ECC memory is critical for servers, as it detects and corrects single-bit errors, reducing data corruption risks. This is especially important for mission-critical applications where reliability is non-negotiable.
3. **Compatibility with Modern Servers**
This module supports PC4-2933Y (DDR4-2933) speeds, which is a common standard in enterprise servers. It is backward-compatible with many Intel and AMD server platforms, including Xeon and EPYC-based systems, though exact compatibility depends on the motherboard s memory controller.
4. **Cost-Effective for High-Density Deployments**
Buying in bulk (such as 48GB modules) can be more cost-effective than smaller configurations, especially for servers requiring large memory pools. The RDIMM architecture also helps reduce power consumption compared to LRDIMM (Load-Reduced DIMM) in some scenarios.
5. **Reliability and Longevity**
Samsung is a reputable manufacturer with a strong track record in enterprise memory. These modules are built to withstand prolonged use in data centers, with robust thermal and electrical design.
6. **Flexibility in Server Configurations**
The 2Rx4 configuration allows for scaling memory capacity in increments, making it easier to upgrade servers without replacing entire memory banks.
---
### **Cons**
1. **Limited Upgrade Path**
DDR4-2933 modules may become obsolete as newer server platforms adopt DDR5. While DDR4 is still widely used, future-proofing requires checking if the server supports DDR5 upgrades later.
2. **Potential Compatibility Issues**
Not all servers support RDIMM modules some may require LRDIMM or buffered DIMMs for higher memory capacities. Always verify the motherboard s memory slot type (e.g., 240-pin vs. 288-pin) and whether it supports RDIMM.
3. **Higher Power Consumption Than Low-Voltage Options**
RDIMMs generally consume more power than low-voltage (LV) or unbuffered DIMMs. While this is negligible in most data centers, it may be a consideration for energy-efficient deployments.
4. **Cost Relative to Smaller Modules**
While 48GB modules offer good value for bulk purchases, individual users or small deployments might find smaller (e.g., 16GB or 32GB) modules more cost-effective per gigabyte.
5. **Thermal Management Requirements**
High-capacity RDIMMs generate more heat, which may necessitate adequate cooling in the server chassis. Poor airflow can lead to throttling or reduced lifespan.
6. **Vendor Lock-In Risks**
Some server manufacturers optimize their platforms for specific memory vendors. While Samsung is widely compatible, there s a slight risk of compatibility quirks depending on the server s BIOS or firmware.
---
### **Conclusion**
The **Samsung M393A4K40DB2-CVFC0 (48GB, 2Rx4, DDR4-2933Y RDIMM ECC)** is an excellent choice for **enterprise servers, virtualization hosts, or high-memory workloads** where reliability, capacity, and performance are prioritized. Its ECC protection, RDIMM architecture, and Samsung s reputation make it a dependable option for data centers. However, buyers should ensure their server platform supports RDIMM modules and consider future upgrade paths (e.g., DDR5 compatibility) before purchasing.
For **budget-conscious users or smaller deployments**, smaller memory modules (e.g., 16GB or 32GB) might be more practical. For **high-end HPC or large-scale virtualization**, this module is a strong, scalable solution.
---
### **Recommendation**
**Buy this module if:**- You are deploying a **multi-socket server** (e.g., Intel Xeon or AMD EPYC) with **high memory requirements** (e.g., 128GB ).
- Your workloads **require ECC memory** (e.g., databases, virtual machines, or financial applications).
- You prefer **bulk memory purchases** for cost efficiency.
- The server s motherboard **explicitly supports RDIMM modules** at DDR4-2933 speeds.
**Avoid or reconsider if:**- Your server **only supports LRDIMM or unbuffered DIMMs** (check the manual).
- You plan to **upgrade to DDR5 in the near future** and want to future-proof.
- You are working with **low-power or energy-efficient systems** where power consumption is a concern.
- The total cost per GB is **higher than alternative vendors** (compare with other brands like Micron, SK Hynix, or Kingston).
**Final Verdict:** This is a **high-quality, enterprise-grade memory module** suitable for demanding server environments. Ensure compatibility before purchase, and it will serve as a reliable component for years.
Details:
All dimm serials recorded. Shipped in anti-static tray. For sale is a lot of forty-eight 48 32GB 2Rx4 2933 MHz ECC RDIMM memory modules from Samsung. Part number: M393A4K40DB2-CVFC0, Pictures of actual items.
part #: m393a4k40db2cvfc0 prices
- $279.00-$499.95
specifications servermemor:
- brand: Samsung
- mpn: M393a4k40db2-cvfc0
- form factor: Rdimm
- type: Ddr4 Sdram
- total capacity: 32 Gb
- bus speed: Pc4-23400
- memory features: Ecc Memory, Registered
- country of origin: China
general servermemor:
- Enterprise Networking, Servers > Server Components > Server Memory RAM
- condition: Used
offer servermemor:
- quantity: 1
- sold: 0
- started: February 19, 2026
- options: Ship-to-home
- availability: In Stock
returns servermemor:
- time: 30 Days
- policy: Returns Accepted
- paid by: Buyer
- method: Money back
shipping servermemor:
- class: Standard, Expedited
- service: UPS Ground, UPS 2nd Day Air
- type: Fixed
- transit: 5-11 Days
- cost: $0.00
- carrier: UPS
seller servermemor:
- city: Fort Collins, Colorado
- # reviews: 1684
- rating: 100.0%
payments servermemor:
- credit card: Mastercard
- other
- wallet: Apple-pay
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