HP Compatible 501538-001 - 16GB DDR3 SDRAM 1066MHz ECC REG Memory Module

Upgrade your HP server or workstation with the HP Compatible 501538-001 16GB DDR3 SDRAM memory module. This reliable ECC REG memory module is engineered to deliver consistent, error‑free data protection and stable performance under heavy workloads. With a generous 16GB capacity and a 1066MHz clock speed, it’s designed to handle memory-intensive applications, virtualization, large spreadsheets, and demanding software suites while maintaining rock‑solid system stability. Whether you’re compiling code, running virtual machines, rendering media, or managing large datasets, this module helps you push productivity to the next level with fewer bottlenecks and more dependable operation. Backed by a lifetime warranty, this memory upgrade provides long-term assurance for your critical infrastructure and work environments.

• High-capacity DDR3 memory – 16GB of DDR3 SDRAM provides ample headroom for multitasking, caching, and memory‑bound processes, enabling smoother performance when dozens of tabs are open, databases are queried, or virtual machines are running concurrently.
• ECC and REG for reliability – Error-Correcting Code (ECC) with registered (REG) memory reduces the risk of data corruption and improves signal stability in server and workstation environments. This makes it an excellent choice for mission-critical applications and 24/7 operation.
• 1066MHz speed for balanced throughput – With a 1066MHz clock speed, this module provides strong memory bandwidth to accelerate demanding software while maintaining compatibility with many HP server and motherboard configurations that support DDR3 1066MHz ECC REG memory.
• HP‑compatible for seamless integration – Specifically designed to work with HP systems, this module offers a straightforward upgrade path without compatibility concerns, helping you preserve system performance and stability.
• Lifetime warranty and dependable support – A lifetime warranty ensures peace of mind, with access to reliable support should you need assistance with installation, compatibility, or performance optimization.

Technical Details of HP Compatible 501538-001

• Capacity: 16GB
• Memory Type: DDR3 SDRAM
• Speed: 1066MHz
• ECC: Yes
• Registered (REG): Yes
• Form Factor: DIMM (server/enterprise memory module)
• Compatibility: HP systems (servers/workstations) that support ECC REG DDR3 memory
• Warranty: Lifetime

How to Install HP Compatible 501538-001

Installing the HP Compatible 501538-001 RAM module is straightforward for compatible HP servers and workstations. Follow these steps to ensure a proper, safe upgrade:

• Power down and unplug – Shut down the system completely and disconnect all power sources. Allow the system to cool if it has been running hot.
• Ground yourself – Use an anti-static wrist strap or touch a grounded metal surface to discharge any static electricity before handling components.
• Open the chassis – Remove the side panel or access panel to reveal the motherboard and memory slots. Refer to your service manual for proper panel removal procedures.
• Identify the correct slot – Locate an available DDR3 ECC REG DIMM slot that’s compatible with your HP system. If you’re upgrading from a smaller configuration, you may need to remove existing RAM modules to free slots following the correct seating order.
• Align and insert – Hold the memory module by its edges, align the notch on the module with the socket key in the DIMM slot, and gently press straight down until the module seats firmly. The side latches should snap into place, securing the module.
• Check seating and reassemble – Ensure all modules are firmly seated. Reinstall the chassis panel, reconnect power, and boot the system.
• BIOS/UEFI verification – On startup, enter the BIOS/UEFI and verify that the full 16GB of memory is recognized. If necessary, adjust memory settings to default values or recommended profiles for ECC REG DDR3 modules.
• Operating system validation – Once in the OS, you can confirm memory availability via system information tools (e.g., Task Manager on Windows or free/grep on Linux) to ensure the upgrade is detected and functioning properly.

Frequently asked questions

• What is HP Compatible 501538-001? It is a 16GB DDR3 SDRAM ECC REG memory module designed to work with HP servers and workstations, providing reliable, error-correcting memory for demanding workloads.
• What does ECC REG mean? ECC stands for Error-Correcting Code, which detects and corrects single-bit memory errors to improve data integrity. REG indicates that the module is registered, adding buffering with memory controllers for higher stability in servers and workstations.
• Will this RAM upgrade improve performance? Yes, especially for multitasking, virtualization, database operations, and memory-intensive applications. The 16GB capacity and ECC REG features help maintain stability under heavy load while enabling smoother multitasking.
• Is this RAM compatible with all HP systems? It is designed to be compatible with HP servers/workstations that support DDR3 ECC REG memory at 1066MHz. Always verify your system's specifications for memory type, capacity, and speed before upgrading.
• What warranty coverage is included? The module comes with a lifetime warranty, offering ongoing support and replacement options if issues arise.
• How do I know if I need ECC REG memory? ECC REG memory is typically required for servers and enterprise workstations where data integrity and stability are critical. If your system asks for ECC or registered memory or you’re upgrading from a non-ECC configuration, this module is an appropriate choice.