SAMSUNG M93A4K40EB3-CWEGY Rdimm Server Memory 32GB 2RX4 PC4-3200AA

( Brand: Samsung ), ( Manufacturer Part Number: M93A4K40EB3-CWEGY ), ( Form Factor: Rdimm ), ( Type: Ddr4 Sdram ), ( Total Capacity: 32 Gb ), ( Number Of Pins: 288 ), ( Bus Speed: Pc4-25600 ), ( Country Of Origin: United States ), ( Memory Features: Ecc Memory, Registered )

Review SAMSUNG 2rx4 Rdimm Server Memory

The **Samsung M93A4K40EB3-CWEGY 32GB DDR4 RDIMM Server Memory** is a high-performance, enterprise-grade memory module meticulously engineered to deliver exceptional reliability, speed, and efficiency in demanding server environments. Part of Samsung s renowned **M393A2K40BB0-CWE** series, this **2Rx4 configuration** module is designed to meet the rigorous standards of modern data centers, cloud computing, and high-availability workloads. With a **32GB capacity per rank** (comprising four 8GB DDR4 DIMMs), this module maximizes memory density while maintaining optimal signal integrity and power efficiency, making it an ideal choice for servers requiring scalable and future-proof memory solutions.

Built on **DDR4 SDRAM technology**, this module operates at a **PC4-3200 (2133MHz) speed**, ensuring blazing-fast data transfer rates of **2133MHz** with a **CL19-19-19-48** timing profile, which translates to lower latency and improved system responsiveness. The **Registered DIMM (RDIMM)** architecture enhances signal stability and reduces electromagnetic interference, making it well-suited for multi-socket servers and high-channel-count configurations where memory bandwidth and reliability are critical. Compatible with **ECC (Error-Correcting Code) memory controllers**, this module actively detects and corrects single-bit errors, safeguarding data integrity in mission-critical applications such as virtualization, database management, and AI/ML workloads.

Constructed with **industrial-grade components**, the Samsung M93A4K40EB3-CWEGY is built to withstand the thermal and mechanical stresses of continuous operation in demanding server environments. The module features **low-power consumption** and **enhanced thermal management**, ensuring stable performance even under heavy workloads. Its **240-pin SODIMM form factor** (though typically installed in full-height server slots) allows for seamless integration into a wide range of **Intel Xeon, AMD EPYC, and other enterprise-grade server platforms**, including those from Dell EMC, HPE, Lenovo, and Cisco. Additionally, the module adheres to **JEDEC standards**, guaranteeing compatibility with most server motherboards and BIOS configurations.

For organizations prioritizing **scalability and cost efficiency**, this 32GB RDIMM module offers an optimal balance between performance and capacity, reducing the need for frequent upgrades while maintaining high-speed memory performance. Whether deployed in **high-performance computing (HPC) clusters, virtualized data centers, or cloud infrastructure**, the Samsung M93A4K40EB3-CWEGY ensures consistent, high-bandwidth memory access, reducing latency and accelerating application performance. With Samsung s reputation for **durability, reliability, and cutting-edge memory technology**, this module is a trusted choice for IT administrators seeking a premium, long-lasting solution that enhances server efficiency without compromising on quality.

### **Pros and Cons of buying a Samsung M93A4K40EB3-CWEGY (32GB 2Rx4 PC4-3200AA RDIMM Server Memory)**

1. **High Performance and Speed** This is a **PC4-3200** (2133 MHz) RDIMM module, which provides faster data transfer rates compared to standard DDR4-2133 or DDR4-2400 modules. This can improve server workload efficiency, especially in CPU-bound or memory-intensive applications like databases, virtualization, or high-performance computing.

2. **Registered DIMM (RDIMM) Design** RDIMMs are optimized for server environments, offering better signal integrity and reduced power consumption compared to unbuffered DIMMs (UDIMMs). They also support larger memory capacities per channel, which is beneficial for multi-socket servers.

3. **Reliability and Stability** Samsung is a reputable manufacturer with a strong track record in producing high-quality server memory. The **ECC (Error-Correcting Code)** capability (implied by the "AA" suffix in PC4-3200AA) ensures data integrity, which is critical for servers handling sensitive or mission-critical workloads.

4. **Compatibility with Modern Servers** This module is designed for **2nd and 3rd Gen Intel Xeon Scalable (Sapphire Rapids, Ice Lake, Skylake-X, etc.)** and **AMD EPYC (Rome, Milan, Genoa)** platforms. It supports **DDR4-2133/2400/2666** speeds, making it versatile for a range of server configurations.

5. **Low Power Consumption** RDIMMs are more power-efficient than UDIMMs, which can help reduce cooling costs in data centers.

6. **Long-Term Availability** Samsung s server memory is widely stocked by distributors, ensuring availability even if you need to upgrade later.

7. **Supports Large Memory Configurations** The **2Rx4 configuration** (two ranks, four banks) allows for better memory bandwidth utilization, which is advantageous in multi-core server environments.

---

1. **Higher Cost Compared to UDIMMs** RDIMMs are more expensive than unbuffered DIMMs (UDIMMs) due to their registered design and ECC support. If your server doesn t require RDIMMs (e.g., budget workstations or low-end servers), UDIMMs may be a more cost-effective alternative.

2. **Limited to Server-Class Platforms** This module is **not compatible with consumer-grade motherboards** (e.g., Intel H, B, Z-series or AMD B550, X570). It is designed exclusively for **workstation and server-grade motherboards** with RDIMM support.

3. **Potential Overkill for Light Workloads** If you re running a **low-to-mid-range server** (e.g., a single-socket workstation or a small file server), the performance gains of PC4-3200 may not be noticeable. A slower but cheaper module (e.g., DDR4-2400) might suffice.

4. **Requires Proper Socket and Slot Compatibility** Before purchasing, **verify that your server s motherboard supports 2Rx4 RDIMMs** and that the module fits physically (e.g., 288-pin DDR4 DIMM slots). Mixing different memory types (e.g., RDIMM UDIMM) can sometimes cause issues.

5. **No Overclocking Support** Like most server memory, this module does not support overclocking, which may be a drawback if you were hoping to push performance beyond stock speeds.

6. **Potential for Obsolescence** While Samsung s server memory is durable, newer server CPUs (e.g., Intel s upcoming Arrow Lake or AMD s future EPYC Milan ) may require **DDR5** modules in the future. If you plan to upgrade the CPU soon, investing in DDR5 now might be better long-term.

---

### **Conclusion and Recommendation**

- You are building or upgrading a **high-performance server** (e.g., database server, virtualization host, HPC workload).

- Your motherboard **supports RDIMMs and DDR4-2133/2400/2666**.

- You prioritize **reliability, ECC protection, and signal integrity** over raw speed.

- You need **scalability** for future memory upgrades (e.g., adding more DIMMs).

- Your server is **low-end or consumer-grade** (UDIMMs may be sufficient and cheaper).

- You are on a **tight budget** and don t need the extra performance.

- You plan to **upgrade to DDR5 soon** (in which case, investing in DDR5 RDIMMs now might be better).

If your use case aligns with **server-grade performance, reliability, and future scalability**, this module is a **solid, high-quality purchase**. Always **double-check compatibility** with your motherboard and CPU before buying.

For **consumer or budget servers**, look for **UDIMMs** instead. For **future-proofing**, evaluate whether DDR5 is worth the upgrade cost based on your long-term needs.

Details:

The Samsung 32GB 2Rx4 PC4-3200AA RDIMM Server Memory M93A4K40EB3-CWEGY is a high-quality DDR4 SDRAM memory module designed for server use. Featuring ECC memory and being registered, this offers reliable stable performance for your server needs. With a total capacity of 32GB and per module 32GB, this memory is perfect for boosting the performance your server system.

part #: m93a4k40eb3 prices

• $55.00-$299.99

specifications servermemor:

• brand: Samsung
• mpn: M93a4k40eb3-cwegy
• form factor: Rdimm
• type: Ddr4 Sdram
• total capacity: 32 Gb
• number of pins: 288
• bus speed: Pc4-25600
• country of origin: United States
• memory features: Ecc Memory, Registered

seller servermemor:

• # reviews: 10658
• city: Phoenix, Arizona
• rating: 99.7%

returns servermemor:

• policy: Returns Accepted
• method: Money back
• paid by: Buyer
• time: 30 Days

offer servermemor:

• sold: 0
• options: Ship-to-home
• started: March 27, 2026
• best offers: True
• availability: In Stock
• quantity: 6

shipping servermemor:

• transit: 5-11 Days
• class: Standard
• service: USPS Ground Advantage
• cost: $0.00
• carrier: USPS
• type: Calculated

general servermemor:

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

payments servermemor:

• credit card: Visa
• other
• wallet: Google-pay

Samsung M93A4K40EB3 Is Similar To:

• 0.11338225633667265 Lot Samsung Ecc Server Ram Memory (40.3% 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...(March 27th, 2018)
• 0.1258726855836516 Lot Samsung Server Vlp Ram Ibm (27.8% 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)
• 0.4190561585571104 Lot Samsung Ecc Server Ram (34.2% 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)
• 0.42639317034624824 Samsung Server Vlp Ram Ibm (28.6% 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)
• 0.850481806304197 Lot Samsung Hynix Server Ecc Ram (32.8% 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...(October 16th, 2018)
• 0.9516050138760368 Samsung Registered Ecc 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...(May 26th, 2018)
• 0.9685219361416628 Lot Samsung Server Vlp Ram (28.8% similar) Condition: used, working, pictured one but total 32 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. I'll get back to you as soon I can...(October 20th, 2018)
• 0.9709607809767642 Samsung Micron Server Vlp Ram Ibm (32.2% 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 20th, 2018)
• 00lp726 Ibm Samsung Memory Cdimm Dram For (26.2% similar) Product quality conditions: all of our a mainly used refurbished item so its natural for an to have cosmetic wear and tear on them. Bubble wrap static-bag shipping packing: package star IBM 00LP726 32GB DDR3 1600MHZ memory M351B4G73DB0 rdimm dram for POWER8 part number Samsung brand power 8 ...(July 12th, 2018)
• 00ph889 Samsung For Lenovo Server (34.3% similar) Warranty apply for death on arrival and any serious issue relate to hard ware. For sale used 1PIECE of 8GB DDR4-2133P rdimm PC4-17000P-E ecc memory Leno server I could work with another brand as well. It is not normal memory to use with consumer pc. It is new and fully working. Made by Samsung. This...(May 6th, 2018)
• 00v5404 Ibm Mmb Server Memory Samsung (36.9% similar) IBM part number: 00V5404 pulled from: 9117MM b server memory 8GB 1KX72 Samsung M396B1K73DH0-YF8M1 from a working environment average used cosmetic condition DOA warranty only what is pictured included. Don't see what you are looking for...(March 24th, 2018)