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The amount of power used by data centers is attracting a lot of attention. Governments are trying to reduce greenhouse gas emissions, and the industry is looking into new ways to address the problem. However, most of the focus is on new and proposed data centers. This is keeping a vast number of older and inefficient data centers out of focus. These older and less efficient data centers would make a dramatic difference in terms of energy usage for IT overall.

Power usage effectiveness (PUE) which generally measures data center efficiency is an imperfect measure as it can change for the same facility depending on a variety of factors. However, improving a data center’s efficiency can cause a significant difference in the amount of power used overall. As the number of these digital infrastructure facilities of all sizes continues to rise, they are attracting attention due to the amount of power they use, especially because countries are looking to reduce their carbon footprint.

Research by S&P Global estimates that around 94 terawatt hours of power is annually consumed by data centers, including enterprise, hyperscale, and leased data centers in Western and Eastern Europe.

estimated power consumption

Estimated power usage by all types of data centers in Europe

PUE and saving

Estimated power consumption by enterprise datacenters in Europe and potential savings from reduced PUE (terawatt hours)

Steps that can be taken to reduce the IT carbon footprint

  • To reduce electricity usage, start with shutting down “zombie servers” that use electricity but no longer have workloads or data on them. Use newer, more efficient servers.
  • Consolidate workloads to have more load per server, so that the total number of servers can be reduced and utilization of each one is improved.
  • According to the research, running business applications on cloud infrastructure in Europe could reduce associated energy usage by nearly 80% compared to on-premises enterprise datacenters. Therefore, public cloud servers are much more efficient than enterprise-operated servers.
  • The efficiency of enterprise-owned servers can be improved by boosting their utilization and increasing the number of newer servers. As enterprises have growing “edge” deployments, servers and other IT equipment that are outside of large datacenters, improving the efficiency of enterprise-operated servers becomes important.

Larger deployments can improve their carbon footprint by improving the efficiency of the facilities that house the servers and other equipment such as enhancing the cooling system. This usage is reflected in the PUE. It is the ratio of the total amount of power needed to operate the data center divided by the power required to run computer equipment. A lower value indicates that less additional power will be required to run the facility than what is required for servers or networking equipment.

The research found that European enterprises recorded an average PUE of 2.1, while most cloud data centers aim for an average PUE of 1.3-1.4 or lower.

Recommendations to improve data center efficiency measured by PUE

  • Datacenters can lower their PUE by using outside air to cool the facility instead of traditional chillers. Datacenters can take advantage of relatively cool, dry climates for this type of cooling.
  • Using liquid cooling instead of air cooling can lower the PUE of data centers.
  • A highly utilized facility is capable of achieving PUEs of 1.4, 1.3, or even as low as 1.1 on occasion by using efficient cooling systems along with hot or cold aisle containment systems and more efficient electrical distribution systems.

Even though making data centers more efficient would be a key part of sustainability programs as it is something that organizations look at, it is difficult to update older data centers when they are running, and also much expensive. Therefore, although the technology exists, most data centers are not updated. Only the new and upcoming facilities are typically equipped with it.

Source: S&P Global report

Read next: How data centers can reduce their energy footprint: Energy management guidelines by Uptime Institute

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  • Introduces SPD Hub and Temperature Sensor as part of server and client DDR5 memory module chipsets
  • Complements industry-leading DDR5 RCD delivering state-of-the-art bandwidth and capacity
  • Enables enhanced system management and thermal control for improved TCO

SAN JOSE, Calif.–(BUSINESS WIRE)–#AIRambus Inc. (NASDAQ: RMBS), a premier chip and silicon IP provider making data faster and safer, today announced the expansion of its DDR5 memory interface chip portfolio with the addition of the Rambus SPD (Serial Presence Detect) Hub and Temperature Sensor, complementing the industry-leading Rambus Registering Clock Driver (RCD). DDR5 achieves greater memory bandwidth and capacity by employing a new module architecture with an expanded chipset. The SPD Hub and Temperature Sensors improve DDR5 Dual Inline Memory Module (DIMM) system management and thermal control to deliver higher performance within the desired power envelope for servers, desktops and laptops.

“The new performance levels of DDR5 memory place an increased premium on signal integrity and thermal management for server and client DIMMs,” said Sean Fan, chief operating officer at Rambus. “With over 30 years of memory subsystem design experience, Rambus is ideally positioned to deliver DDR5 chipset solutions which enable breakthrough bandwidth and capacity for advanced computing systems.”

“The strong collaboration between Intel and SPD ecosystem partners like Rambus, delivers critical chip solutions for Intel’s next generation DDR5-based systems, scaling server, desktop and laptop performance to new levels,” said Dr. Dimitrios Ziakas, VP of Memory and IO Technologies at Intel. “Our joint efforts to advance DDR5-based computing systems is setting the stage for Intel’s DDR5 advance over multiple generations and the next level of performance for data centers and consumers.”

“DDR5 provides a significant increase in performance for computing systems,” said Shane Rau, research vice president, Computing Semiconductors at IDC. “However, DDR5 memory modules require new components to function, components like SPD hubs and temperature sensors are important components for client and server systems.”

Part of the Rambus server and client DDR5 memory interface chipsets, the SPD Hub and Temperature Sensor combine with the RCD to deliver high-performance, high-capacity memory solutions for DDR5 computing systems. Both the SPD Hub and Temperature Sensor are critical components on a memory module that sense and report important data for system configuration and thermal management. The SPD Hub is used in both server and client modules, including RDIMMs, UDIMMS and SODIMMS, and the temperature sensor is designed for server RDIMMs.

Key features of the SPD Hub (SPD5118) include:

  • I2C and I3C bus serial interface support
  • Advanced reliability features
  • Expanded NVM space for customer-specific applications
  • Low latency for fastest I3C bus rates
  • Integrated temperature sensor
  • Meets or exceeds all JEDEC DDR5 SPD Hub operational requirements (JESD300-5A)

Key features of the Temperature Sensor (TS5110) include:

  • Precision thermal sensing
  • I2C and I3C bus serial interface support
  • Low latency for fastest I3C bus rates
  • Meets or exceeds all JEDEC DDR5 Temperature Sensor operational requirements (JESD302-1.01)

Availability and Additional Information

The Rambus SPD Hub and Temperature Sensor are both available today. For additional information, please visit

Follow Rambus:
Company website:
Rambus blog:
Twitter: @rambusinc

About Rambus Inc.

Rambus is a provider of industry-leading chips and silicon IP making data faster and safer. With over 30 years of advanced semiconductor experience, we are a pioneer in high-performance memory subsystems that solve the bottleneck between memory and processing for data-intensive systems. Whether in the cloud, at the edge or in your hand, real-time and immersive applications depend on data throughput and integrity. Rambus products and innovations deliver the increased bandwidth, capacity and security required to meet the world’s data needs and drive ever-greater end-user experiences. For more information, visit


Cori Pasinetti
Rambus Corporate Communications
t: (650) 309-6226

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Global Capability Centers (GCCs) in India – Reimagine the Future Sonia_Charak Fri, 09/17/2021 – 16:04 Read more about Global Capability Centers (GCCs) in India – Reimagine the Future Log in or register to post comments Organizations across the globe are going through a change of extraordinary magnitude. Various multinational organizations have already set up their GCCs and some of them are looking at India as a GCC destination. The post Global Capability Centers (GCCs) in India – Reimagine the Future appeared first on Web Hosting | Cloud Computing | Datacenter | Domain News.
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The Hybrid Reality: New Frontiers for Global Capability Centers (GCC) Success Thomson Reuters Tue, 09/07/2021 – 18:20 Read more about The Hybrid Reality: New Frontiers for Global Capability Centers (GCC) Success Log in or register to post comments Author: Vishal S Parekh, Vice President Sales Corporates, South & South East Asia, Thomson Reuters Breaking the Propensity The post The Hybrid Reality: New Frontiers for Global Capability Centers (GCC) Success appeared first on Web Hosting | Cloud Computing | Datacenter | Domain News.
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7 Benefits of  Video Contact Centers C-Zentrix Wed, 08/11/2021 – 21:31 Read more about 7 Benefits of  Video Contact Centers Log in or register to post comments Do you provide in-person customer service? Do you sell products or services that need to build trust before the purchase? Does your support team need to share screen or advisors need to view the customer or goods during the interaction? If your answers are yes, then Video Contact Center is relevant for you. The need for video enabled contact centers is now more than ever. The coronavirus pandemic has introduced us to a lot of change, however thanks to technology, the transition can be smooth. The post 7 Benefits of  Video Contact Centers appeared first on Web Hosting | Cloud Computing | Datacenter | Domain News.
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Black Hawk supports 800G at unparalleled low power SAN JOSE, Calif.–(BUSINESS WIRE)–Credo, a global innovation leader in high-performance, low-power serial connectivity solutions, today announced it is expanding its product offering with Black Hawk (CRT55321) that leverages the company’s unique PAM4 DSP architecture to deliver industry-leading low power and reach. The PAM4 retimer and gearbox provide guaranteed, end-to-end signal integrity in backplane, front panel and copper applications. The CRT55321 expands the bandwidth capacity of next-generation network infrastructure at Hyperscale data centers, enterprise networks, and service providers while consuming less than 50% power of existing solutions. The CRT55321 is a 32-lane device that supports 16 lanes on the host side and 16 lanes on the line side. The extended reach performance provides robust signal integrity for PAM4 across the most difficult channels, including legacy backplanes. The device can be used in front…
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