Memory (RAM)

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DDR RAM for older servers - upgrading memory for better performance

Memory is an essential component of servers and computer systems. Its job is to temporarily store data from applications and the operating system for quick access. Unlike the comparatively slow storage on hard disks, RAM (Random Access Memory) enables accelerated access to data from running applications, significantly improving system performance and responsiveness.

A server often has to handle many tasks and requests simultaneously. A large amount of RAM allows many processes to run in parallel. When a program is started, its most important data is loaded into the main memory to ensure fast access times. With more memory available, more and more complex applications can be run simultaneously.

Databases, for example, benefit from large amounts of memory to hold frequently used data in memory, significantly increasing performance. There are also benefits in the area of virtualisation. When running multiple virtual machines (VMs) on a server, allocating more memory to each VM can improve the efficiency and performance of the virtualisation environment.

Multiple DDR RAM standards offer compatibility with older servers

The most important factor when choosing the appropriate memory for upgrading older servers is the supported memory generation. Depending on the model and age of the device, the supported memory standards are often DDR (Double Data Rate), DDR2 or DDR3. As different generations of RAM modules require different DIMM slots (Dual Inline Memory Module) on the motherboard and are therefore not interchangeable, it is essential to check the server's technical documentation before upgrading. Manufacturers provide detailed information on what memory can be used in their systems and any limitations on module capacity and memory speed.

DDR main memory is an evolution of the SDRAM (Synchronous Dynamic Random Access Memory) standard from the 1990s, and enabled a significant increase in performance from around 2000 by doubling the achievable data rate.

Memory standards for older server systems

  • SDRAM: 0.8 to 1.3 GB/s possible transfer rate
  • DDR RAM: 2.1 to 3.2 GB/s possible data rate
  • DDR2 RAM: 4.2 to 6.4 GB/s possible data rate
  • DDR3 RAM: 8.5 to 14.9 Gb/s possible transfer rate

If main memory is required for use in servers, it should also be noted that only special memory modules can usually be installed. Unlike unbuffered modules (UDIMMs) for conventional PCs, registered modules (RDIMMs) have an additional register chip that reduces the load on the system's memory controller. This allows servers to manage significantly more memory. To reduce memory errors, server RAM is also often equipped with ECC (Error Correction Code). This allows errors to be detected and corrected during operation without data loss.

Buy low-priced refurbished DDR RAM memory for older servers at ServerShop24

Older servers can reach their performance limits when the existing RAM is no longer sufficient due to increased application requirements. In order to be able to continue using the systems, you have an inexpensive option to increase performance by upgrading with used and carefully tested RAM modules from our online shop. Our range includes memory modules from older DDR RAM standards, which can be used to upgrade older servers when memory requirements increase.
With over 10 years of experience, we are your reliable partner for professionally refurbished used servers, storage systems, workstations and network equipment. You will also find older systems in our range, as well as suitable spare parts and components for many server generations. Due to the fast shipping from our extensive stock we enable short delivery times. If you have any questions about products or your order, our competent and friendly support team will assist you. Contact us - we will take care of your request!