
( Brand: Hynix ), ( Manufacturer Part Number: HYMP564U64BP8-C4 ), ( Type: Ram ), ( Country Of Origin: Korea )
The **Hynix HYMP564U64BP8-C4 512MB 1Rx8 PC2-4200U-444-12 AB-A (0626)** is a high-performance, low-latency DDR2 memory module designed for demanding computing environments where speed, reliability, and efficiency are critical. Manufactured by Hynix, a leading global memory supplier, this single-rank (1Rx8) DDR2 SODIMM module delivers a robust solution for systems requiring enhanced data throughput and reduced latency. With a capacity of **512MB**, it is ideal for mid-range servers, workstations, and embedded systems where memory expansion is necessary without compromising performance. The module operates at a **PC2-4200U-444-12** specification, translating to a **2133 MHz (2.13 GHz) data rate**, which is significantly faster than standard DDR2 modules, enabling quicker data access and improved system responsiveness. The "U" designation indicates that this module is optimized for **unbuffered (UDIMM) applications**, making it suitable for general-purpose servers and non-enterprise-level systems where cost efficiency and straightforward integration are priorities.
This DDR2 SODIMM features a **C4 timing profile**, which refers to its CAS latency of **4 clock cycles**, a metric that directly impacts memory access speed. Lower CAS latency means faster data retrieval, reducing bottlenecks in CPU-bound tasks such as rendering, database operations, or multitasking. The module adheres to the **JEDEC standard**, ensuring compatibility with a wide range of motherboards and server platforms that support DDR2 SODIMM slots. The **AB-A** designation likely refers to its specific pin configuration and electrical characteristics, ensuring seamless integration with compatible hardware. Additionally, the **0626** suffix indicates the production batch or revision date, which can be useful for tracking warranty or compatibility with specific system firmware versions.
Built with Hynix s advanced semiconductor technology, this memory module is engineered for **high reliability and extended operational lifespan**, making it a dependable choice for environments where uptime is essential. The unbuffered design simplifies installation and reduces complexity compared to registered or buffered modules, which are typically used in high-end server configurations. However, its performance is still substantial enough to handle moderate workloads efficiently, such as running multiple virtual machines, legacy applications, or resource-intensive software without significant degradation. Whether deployed in a small business server, a specialized workstation, or an embedded system requiring precise memory control, this module strikes a balance between affordability and performance, offering a cost-effective upgrade for systems constrained by older DDR2 architecture. Its compact SODIMM form factor also makes it a versatile option for laptops, mini-PCs, or rack-mounted servers where space efficiency is a consideration.
### **Pros and Cons of Buying Hynix HYMP564U64BP8-C4 (512MB, 1Rx8, PC2-4200U-444-12-AB-A, 0626)**
#### **Pros:**1. **Compatibility with Older Systems** This is a low-voltage (1.5V) DDR2 module, making it suitable for older motherboards that do not support DDR3 or DDR4. It is ideal for upgrading legacy systems that still rely on DDR2 RAM.
2. **Cost-Effective for Budget Upgrades** DDR2 memory is significantly cheaper than newer generations (DDR3/DDR4/DDR5), making it a practical choice for users who need to extend the life of an older PC without a full rebuild.
3. **Stable Performance for Basic Tasks** While not optimized for high-end gaming or professional workloads, this RAM is sufficient for general computing, office tasks, light multimedia editing, or running older software.
4. **Easy to Install** The 1Rx8 configuration (single-rank, 8-bit wide) simplifies installation, especially in systems with limited RAM slots. It also reduces the risk of instability compared to dual-rank modules in some cases.
5. **Long-Term Availability** Since DDR2 is an older standard, this module is still relatively easy to find in stock, reducing the risk of obsolescence compared to newer, harder-to-source RAM.
6. **Low Power Consumption** The 444 timing (4-4-4) is relatively fast for DDR2 standards, and the low voltage (1.5V) means it consumes less power than higher-voltage DDR2 modules, which can be beneficial for older systems with limited cooling.
7. **No Need for High-Speed Upgrades** If your system is already running at DDR2 speeds, upgrading to faster RAM (e.g., PC2-5300 or higher) may not yield significant performance gains, making this a practical mid-range option.
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#### **Cons:**1. **Outdated Technology** DDR2 is nearly two decades old, meaning it lacks the bandwidth and efficiency of modern RAM (DDR3/DDR4/DDR5). This module will not perform well in newer motherboards, even if they support DDR2.
2. **Limited Capacity Options** DDR2 modules are rarely available in capacities larger than 4GB per stick, and this specific module is only 512MB. If you need more RAM, you ll either have to buy multiple sticks or settle for lower total capacity.
3. **Performance Bottlenecks** Even at PC2-4200 (2133MHz), DDR2 is significantly slower than modern standards. This will limit overall system performance, especially in tasks requiring high memory bandwidth (e.g., video editing, 3D rendering, or gaming).
4. **No ECC Support** This is a standard (non-ECC) module, which means it lacks error-correcting capabilities. While this is fine for general use, it is a drawback for servers, workstations, or applications requiring data integrity.
5. **Hardware Compatibility Issues** Not all motherboards support DDR2, and even those that do may have limitations (e.g., maximum RAM capacity, slot configurations). Always verify compatibility with your specific motherboard model.
6. **No Future-Proofing** If you plan to upgrade your system in the future, DDR2 will become obsolete quickly. Newer motherboards will not support it, making this a temporary solution.
7. **Potential for Instability in Some Systems** Some older motherboards may have issues with certain DDR2 modules due to firmware or BIOS limitations. Testing is recommended after installation.
8. **No Overclocking Potential** Unlike newer RAM, DDR2 modules like this one do not support overclocking, limiting any performance tweaks.
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### **Conclusion:**The **Hynix HYMP564U64BP8-C4 (512MB DDR2 PC2-4200U)** is a **practical choice for upgrading legacy systems** that still rely on DDR2 RAM. It offers a **cost-effective solution** for extending the life of an older PC, particularly for users who need to run basic applications or older software. However, it is **not suitable for modern systems** or performance-oriented tasks due to its outdated technology.
If your primary goal is **cost savings and compatibility with an older machine**, this module is a viable option. However, if you are considering a long-term upgrade or plan to use the system for demanding tasks, investing in **DDR3 or DDR4 RAM** (even if it requires a motherboard upgrade) would be far more beneficial.
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### **Recommendation:** - **Buy this module if:**- You have a **DDR2-compatible motherboard** and need to upgrade RAM for an older system.
- You are running **legacy applications** or using the PC for **basic tasks** (web browsing, office work, light multimedia).
- You want a **budget-friendly solution** without investing in newer, more expensive RAM.
- **Avoid this module if:**- Your motherboard supports **DDR3/DDR4/DDR5**, as newer RAM will provide **far better performance**.
- You plan to **upgrade your system in the near future**, as DDR2 will quickly become obsolete.
- You need **high memory capacity** (this is only 512MB, so multiple sticks may be required).
- You are running **modern games, professional software, or multitasking-heavy workloads**.
For **new builds or significant upgrades**, prioritize **DDR4 or DDR5 RAM** for better performance and longevity. For **legacy systems**, this module serves as a **functional but limited upgrade**.
Not discolored. Lot of 2 Hynix 512MB 1Rx8 PC2-4200U-444-12, HYMP564U64BP8-C4 AB-A 0626. Removed from working computer.