SAMSUNG M393A4K40CB1-CRC40 Ecc Dimm Server Memory Module 32GB DDR4-2400T

( Brand: Samsung ), ( Manufacturer Part Number: M393A4K40CB1-CRC40 ), ( Form Factor: Dimm ), ( Type: Ddr4 Sdram ), ( Total Capacity: 32 Gb ), ( Number Of Pins: 288 ), ( Bus Speed: Pc4-2400t ), ( Memory Features: Ecc Memory, Registered )

Review SAMSUNG Ddr4-2400t Ecc Registered Dimm Server Memory Module

The **Samsung M393A4K40CB1-CRC40 32GB DDR4-2400T ECC Registered DIMM Server Memory Module** represents a high-performance, enterprise-grade solution designed to meet the demanding computational requirements of modern data centers, high-end workstations, and mission-critical server applications. Engineered with Samsung s proprietary **K4T4G3256B-CRC40** DDR4 memory chips, this module delivers uncompromising reliability, efficiency, and scalability, making it an ideal choice for servers running demanding workloads such as virtualization, database management, AI/ML processing, and high-frequency trading. With a **32GB capacity** per DIMM, this module maximizes memory density while adhering to strict industry standards, ensuring seamless integration with compatible server platforms from leading manufacturers like Dell, HP, Lenovo, and Supermicro.

Built to **DDR4-2400T (2400MHz) RDIMM (Registered DIMM) specifications**, this memory module operates at a clock speed of **2400MHz**, optimized for low-latency data transfer and high-bandwidth performance, which is critical for reducing processing bottlenecks in CPU-intensive tasks. The **ECC (Error-Correcting Code) functionality** provides an additional layer of data integrity, automatically detecting and correcting single-bit errors while mitigating the risk of catastrophic system failures caused by memory corruption a feature indispensable for servers handling sensitive or mission-critical data. The **registered (buffered) design** further enhances stability by managing signal integrity across multi-socket server configurations, reducing the likelihood of timing-related issues that can arise in high-channel-count systems.

Constructed with **low-power, high-density DRAM chips**, this module is engineered to operate efficiently within standard server power envelopes while maintaining peak performance. Samsung s **CRC40 (Courtesy Refresh) technology** extends memory lifespan by proactively refreshing cells before they degrade, reducing the risk of data loss and improving long-term reliability particularly beneficial in 24/7 operational environments. The module s **288-pin DIMM form factor** ensures compatibility with a wide range of server motherboards, while its **CL15 (CAS Latency) timing** strikes a balance between speed and stability, allowing for optimal performance in both single- and multi-channel configurations.

Ideal for **enterprise-grade servers**, this memory module is built to withstand the rigors of demanding workloads, offering **1.2V voltage operation** for energy efficiency and **fully buffered operation** to minimize signal interference in high-channel-count systems. Whether deployed in **virtualized environments, cloud infrastructure, or high-performance computing clusters**, the **Samsung M393A4K40CB1-CRC40** ensures consistent, high-speed data access, reduced latency, and enhanced system resilience making it a cornerstone for businesses requiring peak memory performance without sacrificing reliability or scalability.

### **Pros and Cons of buying a Samsung M393A4K40CB1-CRC40 (32GB DDR4-2400T ECC DIMM Server Memory Module)**

1. **High Capacity and Performance** The 32GB capacity provides substantial memory for server workloads, supporting large datasets, virtualization, and high-performance computing. DDR4-2400T (2400 MHz) offers a good balance between speed and power efficiency for most server applications.

2. **ECC (Error-Correcting Code) Support** ECC memory is critical for servers, as it detects and corrects single-bit errors, reducing data corruption risks in critical environments like databases, virtualization, and financial systems.

3. **Registered (Buffered) DIMM Design** The module is a registered (buffered) DIMM, which helps manage signal integrity on longer memory buses, improving stability in multi-socket servers and reducing latency.

4. **Compatibility with Enterprise Servers** This module is designed for enterprise-grade servers, ensuring compatibility with major server manufacturers (Dell, HP, Lenovo, etc.) and supporting 2400 MHz memory speeds, which is a common standard in mid-range servers.

5. **Reliability and Durability** Samsung is a reputable manufacturer with a strong track record in producing high-quality server memory. The module is built to withstand prolonged use in data centers.

6. **Cost-Effective for High-Demand Workloads** While not the fastest DDR4 module (e.g., 3200 MHz or 3600 MHz), the 2400 MHz speed is sufficient for many workloads, offering better value than overkill memory for non-high-performance applications.

7. **Low Power Consumption** DDR4-2400T modules typically consume less power than higher-speed variants, which can be beneficial for energy efficiency in large server deployments.

---

1. **Not the Fastest DDR4 Option** DDR4-2400T is slower than newer DDR4-3200 or DDR4-3600 modules. If your server supports higher speeds, you may experience slightly lower performance in CPU-bound or memory-intensive tasks.

2. **Limited Future-Proofing** While 2400 MHz is still widely supported, newer servers may default to faster memory speeds. If you plan to upgrade your server in the near future, investing in a faster module (if budget allows) could be more future-proof.

3. **Potential Compatibility Issues** Some newer server motherboards or CPUs may not officially support this exact module, even if they support DDR4-2400. Always verify compatibility with your server s BIOS or manufacturer s documentation.

4. **Higher Cost per GB Compared to Consumer Memory** Server-grade ECC memory is more expensive than consumer DDR4 RAM. If you don t need ECC, standard DDR4 modules would be a cheaper alternative for non-server use.

5. **Single-Rank Configuration** This is a single-rank (x16) module, which means it may not fully utilize all memory channels in some server configurations, potentially limiting bandwidth in multi-channel setups.

6. **No RDIMM/LRDIMM Flexibility** This is a standard RDIMM (Registered DIMM), which is fine for most servers. However, if you need LRDIMM (Load-Reduced DIMM) for very high-capacity configurations, this module won t work.

7. **Potential for Overkill in Low-Demand Servers** If your server runs lightweight applications (e.g., a basic file server or small VM host), 32GB may be excessive, leading to unnecessary costs.

---

The **Samsung M393A4K40CB1-CRC40 (32GB DDR4-2400T ECC RDIMM)** is an excellent choice for **enterprise servers, virtualization hosts, database servers, or workloads requiring reliability and error correction**. Its registered design, ECC support, and 32GB capacity make it well-suited for professional environments where data integrity is critical.

However, if you need **maximum performance** (e.g., for high-frequency trading, AI workloads, or future-proofing), a faster DDR4 module (e.g., 3200 MHz or 3600 MHz) may be preferable. Additionally, if your server doesn t require ECC, standard DDR4 RAM would be a more cost-effective alternative for non-server use.

- You need **reliable, error-corrected memory** for a server (e.g., database, virtualization, or critical workloads).

- Your server **supports DDR4-2400 ECC RDIMM** and you don t need higher speeds.

- You require **32GB capacity** for memory-intensive tasks.

- You need **faster memory (DDR4-3200/3600)** for CPU-bound or high-performance workloads.

- Your server **doesn t officially support this exact module** check compatibility first.

- You re running **lightweight workloads** where 32GB is unnecessary (opt for smaller capacities instead).

- You need **LRDIMM support** for very high-capacity configurations.

For most **enterprise and professional server use cases**, this module is a solid, reliable choice. Always verify compatibility with your server s BIOS and manufacturer guidelines before purchasing.

Details:

Samsung 32GB DDR4-2400T ECC Registered DIMM Server Memory Module.

part #: m393a4k40cb1crc40 prices

• $119.99-$169.00

specifications servermemor:

• brand: Samsung
• mpn: M393a4k40cb1-crc40
• form factor: Dimm
• type: Ddr4 Sdram
• total capacity: 32 Gb
• number of pins: 288
• bus speed: Pc4-2400t
• memory features: Ecc Memory, Registered

offer servermemor:

• started: April 4, 2026
• sold: 0
• options: Ship-to-home
• best offers: True
• availability: In Stock

returns servermemor:

• policy: No Returns

general servermemor:

• condition: Used
• Enterprise Networking, Servers > Server Components > Server Memory RAM

seller servermemor:

• rating: 100.0%
• # reviews: 2
• city: Fort Worth, Texas

payments servermemor:

• wallet: Paypal
• credit card: Discover
• other

shipping servermemor:

• type: Calculated
• transit: 5-9 Days
• cost: $5.52
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage

Samsung M393A4K40CB1-CRC40 Is Similar To:

• 0.09744922496769814 Samsung Ecc Reg Ram (27.9% similar) No other accessories hardware software. I'll get back to you as soon I can...(November 17th, 2018)
• 0.11338225633667265 Lot Samsung Ecc Server Ram Memory (36.8% similar) Condition: used, working if a power adapter is required for this item, it not included cord shows signs of normal use w some scuffs scratches blemishes sticker residue no other accessories hardware software. I'll get back to you as soon I can...(March 27th, 2018)
• 0.1258726855836516 Lot Samsung Server Vlp Ram Ibm (24.2% similar) I'll get back to you as soon I can. Condition: used, working, pictured one but total 36 same if a power adapter is required for this item, it not included cord shows signs of normal use w some scuffs scratches blemishes sticker residue no other accessories hardware software...(October 19th, 2018)
• 0.35100209741590715 Hp Samsung Ecc Reg (24.8% similar) I'll get back to you as soon I can. No other accessories hardware software...(October 12th, 2018)
• 0.3518165772947017 Samsung Cn Ram Ecc Reg Qty (29.7% similar) No other accessories hardware software. I'll get back to you as soon I can...(May 7th, 2018)
• 0.4190561585571104 Lot Samsung Ecc Server Ram (31.3% similar) Condition: used, working if a power adapter is required for this item, it not included cord shows signs of normal use w some scuffs scratches blemishes sticker residue no other accessories hardware software. I'll get back to you as soon I can...(October 13th, 2018)
• 0.4196896457027133 Samsung Ecc Reg Ram (28.1% similar) No other accessories hardware software. I'll get back to you as soon I can...(November 9th, 2018)
• 0.42639317034624824 Samsung Server Vlp Ram Ibm (24.8% similar) I'll get back to you as soon I can. Condition: used, working if a power adapter is required for this item, it not included cord shows signs of normal use w some scuffs scratches blemishes sticker residue no other accessories hardware software...(October 19th, 2018)
• 0.7823584412062607 Samsung Reg Ecc Ram Cn Qty (29.7% similar) I'll get back to you as soon I can. No other accessories hardware software...(June 19th, 2018)
• 0.850481806304197 Lot Samsung Hynix Server Ecc Ram (27.1% similar) Condition: used, working if a power adapter is required for this item, it not included cord shows signs of normal use w some scuffs scratches blemishes sticker residue no other accessories hardware software. I'll get back to you as soon I can...(October 16th, 2018)
• 0.9516050138760368 Samsung Registered Ecc Memory (39.7% similar) Condition: used, working if a power adapter is required for this item, it not included cord shows signs of normal use w some scuffs scratches blemishes sticker residue no other accessories hardware software. I'll get back to you as soon I can...(May 26th, 2018)