HP M393A2K43DB3-CWE-HP Dual Rank 1X16GB X8 DDR4-3200 CAS-22-22-22

( Brand: Hp ), ( Manufacturer Part Number: M393A2K43DB3-CWE-HP ), ( Type: Memory )

Review HP Hpe 16gb 1x16gb Dual Rank X8 Ddr4-3200 Reg

The **HP M393A2K43DB3-CWE** is a high-performance, enterprise-grade DDR4 memory module engineered to deliver exceptional speed, reliability, and efficiency for demanding computing environments. Part of HP s ProLiant server memory lineup, this **1x16GB (16GB single-rank) dual-channel DDR4-3200MHz** module is meticulously designed to optimize data throughput while maintaining low latency for critical workloads. Built with **DDR4 technology**, it operates at a robust **3200MHz clock speed**, ensuring rapid data transfer rates essential for modern server applications, including virtualization, cloud computing, and high-performance computing (HPC) tasks. The module features a **CAS latency of 22-22-22**, which balances speed and stability, allowing for smoother multitasking and reduced processing delays in memory-intensive operations.

This memory module employs **dual-rank architecture**, which enhances bandwidth and throughput by enabling simultaneous access to multiple memory banks, thereby improving overall system responsiveness. The **X8 memory density** ensures a compact yet powerful design, maximizing memory efficiency without compromising performance. Additionally, the **registered (buffered) configuration** provides enhanced signal integrity and stability, making it ideal for high-end servers where data consistency and error-free operations are paramount. The module adheres to strict **HP ProLiant compatibility standards**, ensuring seamless integration with supported server models, including those in the Gen10 and Gen11 ProLiant families.

Beyond its technical specifications, the **HP M393A2K43DB3-CWE** is engineered with durability in mind, featuring robust components that withstand prolonged use in data centers. Its **low-power design** contributes to energy efficiency, reducing operational costs while maintaining peak performance. Whether deployed in virtualized environments, database-driven applications, or AI/ML workloads, this memory module delivers a reliable foundation for high-demand computing scenarios. With its blend of speed, stability, and enterprise-grade reliability, it stands as a premium choice for organizations seeking to elevate their server infrastructure to meet the challenges of modern computing demands.

### **Pros and Cons of buying a HP M393A2K43DB3-CWE (1x16GB Dual Rank x8 DDR4-3200 CAS-22-22-22 Reg) Memory Kit**

1. **High Performance at 3200MHz** This is a high-speed DDR4 memory kit, which can improve system responsiveness, especially in tasks requiring fast data access (e.g., gaming, video editing, or CPU-bound workloads). The 3200MHz speed is well-suited for modern Intel and AMD CPUs that support high-frequency memory.

2. **Dual Rank Configuration** Dual-rank memory allows for better bandwidth utilization by enabling simultaneous access to two memory ranks, which can improve performance in multi-threaded applications compared to single-rank modules.

3. **Low CAS Latency (22-22-22)** The tight timing profile (CAS latency of 22) helps reduce latency in memory operations, which can be beneficial for latency-sensitive tasks like gaming or real-time applications.

4. **Registered (Buffered) Design** The "Reg" designation means this memory is registered, which helps stabilize memory performance on high-core-count systems (e.g., Xeon or Threadripper CPUs) by reducing signal interference. This makes it a better choice for servers or workstations with many CPU cores.

5. **Compatibility with HP Servers** This module is designed for HP ProLiant servers, ensuring reliability and compatibility with enterprise-grade hardware. It may also work in compatible desktop motherboards that support DDR4-3200 with registered memory.

6. **Reliability and Durability** HP s enterprise-grade memory is built for long-term use, with robust error-checking and correction features, making it suitable for mission-critical applications.

7. **Scalability** Since it is a single 16GB module, you can easily add more capacity by pairing it with additional modules in compatible systems, allowing for future upgrades.

---

1. **Single Module (1x16GB)** This kit consists of only one 16GB module, which means you ll need to purchase additional modules to achieve full dual-channel performance. If you only need 16GB total, this is fine, but for larger setups, you ll need to buy more.

2. **Registered Memory Limitations** Registered memory is typically used in server-grade systems with many DIMM slots. In desktop systems, it may not always be necessary, and unbuffered (non-registered) memory is often more common and cheaper. Some high-end desktop motherboards may not support registered memory at all.

3. **Potential Overkill for Consumer Use** If you re using this in a consumer-grade system (e.g., a gaming PC or a workstation with fewer than 8 CPU cores), the benefits of registered memory may be minimal, and unbuffered memory might be sufficient and more cost-effective.

4. **Cost** Enterprise-grade memory is generally more expensive than consumer-grade memory. If you re on a tight budget, this kit may be overpriced compared to non-registered alternatives.

5. **Compatibility Issues** While this module is designed for HP servers, not all motherboards (especially desktops) will support registered memory. You ll need to verify compatibility with your specific motherboard and CPU. Some motherboards may require BIOS updates or may not support the exact timing profile.

6. **Limited Availability** Since this is a server-grade module, it may be harder to find compared to standard consumer memory kits. Availability could be an issue depending on your region.

7. **Power Consumption** Registered memory tends to draw slightly more power than unbuffered memory due to the buffer circuitry. This may not be a significant concern for most users but could matter in power-sensitive systems.

---

This **HP M393A2K43DB3-CWE (16GB DDR4-3200 CL22-22-22 Reg)** is an excellent choice if you are building or upgrading a **server, workstation, or high-end system with many CPU cores** (e.g., Xeon, Threadripper, or EPYC). The registered design ensures stability and reliability, while the high speed and low latency make it suitable for demanding workloads like virtualization, database management, or professional content creation.

However, if you are using this in a **consumer-grade desktop system** (e.g., gaming PC, office workstation, or a system with fewer than 8 cores), the benefits of registered memory may not justify the cost. In such cases, a **non-registered (unbuffered) DDR4-3200 or DDR4-3600 kit** would likely be a better value, offering similar performance at a lower price.

---

- You are building a **server, workstation, or high-core-count system** (e.g., Xeon, Threadripper, or EPYC).

- You need **reliable, enterprise-grade memory** with registered buffering.

- Your motherboard supports **DDR4-3200 with registered memory** and you want to maximize performance in memory-intensive tasks.

- You are using a **consumer desktop motherboard** that does not support registered memory.

- You are on a **tight budget** and can find a suitable unbuffered DDR4 kit at a lower cost.

- Your system does not require the high bandwidth or low latency of this module (e.g., a basic gaming PC or office machine).

For most **consumer users**, a **non-registered DDR4-3200 or DDR4-3600 kit** (e.g., from Corsair, G.Skill, or Kingston) would be a more practical and cost-effective choice. However, if you are certain about compatibility and need the stability of registered memory, this HP module is a solid professional-grade option.

Details:

Unbeatable 1 to 3 years Warranty either Return Base or Advance Replacement available. Inventory shipped within 60 minutes to anywhere in the Teri State. Tech Hardware Deals is the Retail arm of a global leader in new and end life server, storage networking systems peripherals. Quality New and Refurbished IT parts with up to 80% off the RRP.

Tech Hardware Deals utilizes stock images whenever a genuine image isn't available. Server Configuration to order from Inventory across all G10, G9, G8 HP range. Trade In purchase program for decommissioned equipment. Components stated within the listing will always take precedence over what is shown in image.

part #: m393a2k43db3cwe prices

• $128.99-$1072.74

specifications servermemor:

• brand: Hp
• mpn: M393a2k43db3-cwe-hp
• type: Memory

payments servermemor:

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

seller servermemor:

• city: New York, New York
• # reviews: 5806
• rating: 99.9%

returns servermemor:

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

offer servermemor:

• started: March 17, 2026
• sold: 0
• options: Ship-to-home
• quantity: 10
• availability: In Stock

general servermemor:

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

shipping servermemor:

• type: Fixed
• transit: 3-8 Days
• cost: $0.00
• service: Standard
• class: Standard

Hp M393A2K43DB3-CWE Is Similar To:

• 0.18813613984601152 Hynix Mhz Ecc Reg Ram Hp (19.7% 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 16th, 2018)
• 0.35100209741590715 Hp Samsung Ecc Reg (22.4% similar) I'll get back to you as soon I can. No other accessories hardware software...(October 12th, 2018)
• 0.7963132840829785 Lot Micron Mhz Ecc Reg Ram Hp (17.5% 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 16th, 2018)
• 0.9423117512608463 Hynix Mhz Ecc Reg Ram Hp (21.5% 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...(May 19th, 2018)
• 128280-b21 Hp 1gb Reg Sdram (24.8% similar) Shipping by USPS. I ship only to the us, Canada, western Europe, south America, Australia, new Zealand and japan. Hp B21 1GB reg dram DIMM133 server memory module...(May 25th, 2017)
• Pc1600 Reg Memory Pcs Lot Compaq 175918-042 Hp 184-pin 14 Ddr 512mb Ecc (12% similar) You get a share of my costs, no spam, no junk, just cash back from doing what your already doing, ING. Gravity groove store...(May 6th, 2015)
• 300680-b21 Hp Genuine 2gb Reg Pc2100 (22.8% similar) Sealed package. This is a new sealed Hp 2GB 1 gb module kit please see pictures...(February 26th, 2017)
• 331563-851 Infinion Hp Ddr Ecc Reg (28.6% similar) As shown and titled are these 24 server PC2700 modules...(October 2nd, 2018)
• 4x512mb 373028-051 2gb Reg Server Pc3200r 400mhz Ddr Memory Hp Ecc (15.3% similar) height x lb compatibility proprietary Hp pliant server DL385 DL585 proprietary Hp pliant server BL35P BL25P BL45P...(February 25th, 2015)
• 378913-001 Hp Ddr Ecc Reg (31.1% similar) Hp 512MB ddr PC3200R 400MHZ eccl reg -001...(May 13th, 2018)
• 667mhz Pc2-5300p Reg 405476-051 8x Server 2gb Ddr2 Sdram Ecc Hp 16gb Memory (18.3% similar) Pulled from working server...(February 22nd, 2015)