VLP RDIMM

Save Square Footage in Your Data Center

More Compact Servers
Data centers are becoming increasingly more expensive, so fitting more servers into less space is vitally important. Our VLP RDIMMs take up less room on a board. Certainly, memory isn't the only component that contributes to a server's size, but designing in VLP RDIMMs helps save valuable space and money.

VLP RDIMM Part Catalog and Documentation

• VLP RDIMM Part Catalog
• VLP RDIMM Technical Notes

Better Airflow Saves Power
According to a study from the U.S. Environmental Protection Agency, keeping servers cool requires about 30 billion kWh annually in the United States alone. Improved airflow in servers could reduce cooling costs, saving data centers tens of millions of dollars, euros, pounds, and yen each year. Our VLP RDIMMs fit vertically on the board, which facilitates better airflow and increases reliability in heat-sensitive systems.

Vertically Mounted Modules for Better Airflow
Click the play button below to view how VLP memory modules save board space and improve airflow.

Improved Capacity
Micron’s high density, DDR , DDR2, and DDR3 VLP RDIMMs significantly boost overall telecom, networking, and computing blade server memory capacities while remaining compatible with existing RDIMM sockets. These VLP RDIMMs are available in 512MB-to-8GB densities.

Other Key Benefits

• Extended Memory Capacity—High-density solutions eliminate memory capacity limits.
• Fast Performance—Speeds up to 1333 MT/s.
• Reliability and Compatibility—We employ stringent quality and reliability tests, and we work with chipset vendors to validate our modules.

Can Vtt and Vref be supplied by the same supply in my system design?

With proper decoupling this can be an acceptable design. However, Micron recommends ensuring all supplies are separated. Vref tends to have more noise on it because it supplies signals that are regularly switching. A robust design would typically not connect these supplies due to the possibility of introducing this noise onto the Vtt plane which should be as stable as possible. Additionally, Vref requires much less current than Vtt.

Is there a set of trace lengths and routing rules that are standard for use when designing a system that uses a specific module technology and form factor?

No. A robust memory subsystem design that includes the use of 1 or more memory modules must be simulated in order to determine the optimum trace lengths, terminations. However, our design guides such as TN-47-01 and TN-41-08 have some best practices and design examples based on some typical system assumptions. This information is not meant to be the only way your system can be designed. It is a starting point and moreover an example of the steps used to determine the best design for your system.