SK HYNIX HMA81GU6CJR6N-XN Dimm Server Memory 8GB DDR4 PC4-3200AA

( Brand: Sk Hynix ), ( Manufacturer Part Number: HMA81GU6CJR6N-XN ), ( Form Factor: Dimm ), ( Type: Ddr4 Sdram ), ( Total Capacity: 8 Gb ), ( Number Of Pins: 288 ), ( Bus Speed: Pc4-3200aa )

Review SK HYNIX Hp 8gb Ddr4 Dimm Server Memory

The **SK Hynix HMA81GU6CJR6N-XN 8GB DDR4 PC4-3200AA DIMM Server Memory** is a high-performance, enterprise-grade memory module meticulously engineered to deliver unparalleled reliability, speed, and efficiency in demanding server environments. Part of SK Hynix s premium **HMA81GU6CJR6N** series, this **8GB (2x4GB) DDR4 SODIMM** module operates at an optimized frequency of **3200MHz (PC4-3200)**, delivering exceptional bandwidth and low-latency performance to accelerate data processing, reduce system bottlenecks, and enhance overall computational throughput. Designed with **Registered (Buffered) DIMM (RDIMM)** architecture, this module ensures robust signal integrity and stability in multi-socket server configurations, making it an ideal choice for high-end data centers, virtualization platforms, and mission-critical workloads where consistency and scalability are paramount.

Constructed with **SK Hynix s advanced 16nm process technology**, the module incorporates **low-power, high-density DRAM chips** that balance performance with energy efficiency, reducing operational costs while maintaining peak performance. The **DDR4-3200** specification, paired with **ECC (Error-Correcting Code) functionality**, provides built-in error detection and correction, safeguarding against data corruption and ensuring data integrity in fault-tolerant environments. This module is fully compliant with **JEDEC standards**, ensuring seamless compatibility with a wide range of server motherboards, including those from leading manufacturers like Dell, HP, Lenovo, and Cisco, making it a versatile upgrade option for modern x86-based servers.

Beyond its technical prowess, the **HMA81GU6CJR6N-XN** is built to endure the rigors of continuous operation, featuring **enhanced thermal management** and **durable soldered contacts** that prevent wear and tear from frequent insertions and removals. The **XN (Extended New) designation** signifies that this module has undergone rigorous testing and validation, ensuring long-term reliability and compatibility with the latest server firmware and BIOS updates. Whether deployed in **cloud computing infrastructures, AI/ML workloads, or high-frequency trading systems**, this memory module is engineered to elevate system performance while minimizing downtime and maximizing uptime making it a cornerstone for next-generation server deployments.

**Pros and Cons of Buying SK Hynix HMA81GU6CJR6N-XN (8GB DDR4 PC4-3206 AA DIMM Server Memory)**

1. **High Performance and Speed** This module supports DDR4 PC4-3200, which translates to a clock speed of 1600 MHz (DDR4-1600). While the "PC4-3200" label technically refers to a memory bandwidth of 3200 MB/s, the actual speed is 1600 MHz. This provides faster data transfer rates compared to slower DDR4 modules, improving system responsiveness in memory-intensive workloads like virtualization, databases, and server applications.

2. **Low Latency (CL16)** The module has a CAS latency of 16, which is relatively low for server-grade memory. Lower latency means faster access times, reducing delays in data retrieval, which is beneficial for applications requiring quick memory access.

3. **Registered (Buffered) DIMM (RDIMM)** This is a registered memory module, meaning it includes a buffer (register) that helps manage data flow between the memory controller and the DIMMs. Registered memory is more stable and reliable in multi-socket server systems, reducing the risk of data corruption or system instability, especially in high-end servers with multiple CPUs.

4. **Server-Grade Reliability** SK Hynix is a reputable manufacturer known for producing high-quality memory modules. This module is designed for server use, offering better error correction (via ECC if paired with compatible hardware) and stability compared to consumer-grade memory.

5. **Compatibility with ECC (If Supported by Motherboard)** While this specific module does not explicitly state ECC support, many SK Hynix RDIMMs are designed to work with ECC-capable server motherboards. If your server supports ECC, this module can help detect and correct memory errors, which is critical for data integrity in enterprise environments.

6. **240-Pin DIMM Form Factor** This is the standard form factor for DDR4 memory, ensuring broad compatibility with most server motherboards that support DDR4 RDIMMs.

7. **Low Power Consumption** DDR4 modules generally consume less power than older DDR3 modules, contributing to better energy efficiency in server environments.

8. **Long-Term Availability** SK Hynix is a major memory manufacturer, and this module is likely to remain available for an extended period, reducing the risk of obsolescence.

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1. **Not ECC-Certified (Unless Specified Otherwise)** While many RDIMMs are ECC-capable, this specific model (HMA81GU6CJR6N-XN) does not explicitly state ECC support. If your server requires ECC for data integrity (e.g., databases, financial systems, or virtualization), you may need to verify compatibility with your motherboard or purchase an explicitly ECC-certified module. Without ECC, single-bit errors cannot be corrected, increasing the risk of data corruption over time.

2. **Potential Overkill for Low-End Servers** If you are using this module in a low-end or budget server (e.g., a single-socket system with modest workloads), the performance gains from DDR4-1600 may not be significant enough to justify the cost. In such cases, slower but sufficient memory (e.g., DDR4-2400) might be a better value.

3. **Cost Compared to Consumer Memory** Server-grade memory, especially RDIMMs, is typically more expensive than consumer DDR4 modules. If you are running a non-server workload (e.g., a home server or a workstation), you might save money by opting for consumer-grade memory that meets your needs.

4. **Limited Upgrade Path** DDR4 is being phased out in favor of DDR5 in newer server platforms. If you plan to upgrade your server in the future, you may need to replace all memory modules to transition to DDR5, which can be costly. However, DDR4 is still widely supported in many enterprise environments.

5. **Heat Generation** Higher-speed memory modules can generate more heat, though this is generally not an issue in well-ventilated server racks. Ensure your server s cooling solution can handle the heat load if you are running multiple high-speed DIMMs.

6. **Potential for Overprovisioning** If your server s CPU or workload does not fully utilize the speed of DDR4-1600, the extra performance may not translate into meaningful benefits. Always check your CPU s memory controller and workload requirements to ensure the module is a good fit.

7. **Vendor-Specific Compatibility Issues** While SK Hynix is a trusted brand, there can still be compatibility quirks with certain server motherboards or BIOS versions. Always check with your motherboard manufacturer or server vendor to confirm compatibility before purchasing.

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The **SK Hynix HMA81GU6CJR6N-XN (8GB DDR4 PC4-3200 AA RDIMM)** is a solid choice for **server environments where performance, stability, and reliability are critical**. Its registered design, moderate speed, and server-grade quality make it suitable for workloads such as virtualization, database hosting, or enterprise applications where memory integrity and speed matter. However, if your server does not require ECC or if you are running a low-end system, the cost and performance benefits may not be fully justified.

Additionally, if your server s CPU or workload does not fully utilize the DDR4-1600 speed, you might consider a slightly slower but more cost-effective module (e.g., DDR4-2400) unless you have a specific need for the higher bandwidth.

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- You are running a **multi-socket server** or a **high-end single-socket server** (e.g., Xeon, EPYC, or similar).

- Your workload requires **stable, low-latency memory** (e.g., virtualization, databases, or applications with high memory bandwidth demands).

- Your motherboard supports **ECC**, and you want to ensure data integrity (verify this before purchasing).

- You need **reliable, long-term availability** from a trusted manufacturer.

- Your server does **not** require ECC, and you can find a **cheaper non-ECC RDIMM** that meets your speed requirements.

- You are running a **low-end server or workstation** where DDR4-1600 is overkill, and a slower module (e.g., DDR4-2400) would suffice.

- You plan to **upgrade to DDR5 in the future**, and you want to future-proof your system (though DDR4 is still widely supported).

- **Verify compatibility** with your motherboard or server vendor before purchasing, as some server platforms may have specific memory requirements or restrictions.

Overall, this is a **good choice for server environments** where performance and reliability are priorities, but always align the purchase with your specific hardware and workload needs.

Details:

SK Hynix / HP 8GB DDR4 PC4-3200AA DIMM Server Memory HMA81GU6CJR6N-XN.

part #: hma81gu6cjr6n prices

• $103.55-$149.00

specifications servermemor:

• brand: Sk Hynix
• mpn: Hma81gu6cjr6n-xn
• form factor: Dimm
• type: Ddr4 Sdram
• total capacity: 8 Gb
• number of pins: 288
• bus speed: Pc4-3200aa

payments servermemor:

• credit card: Mastercard
• other
• wallet: Apple-pay

general servermemor:

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

seller servermemor:

• city: Egg Harbor Township, New Jersey
• rating: 93.8%
• # reviews: 14

returns servermemor:

• policy: No Returns

shipping servermemor:

• service: USPS Ground Advantage
• cost: $5.62
• type: Calculated
• carrier: USPS
• transit: 5-12 Days
• class: Standard

offer servermemor:

• sold: 0
• started: March 4, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock

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