IT Leaders Forum: Thin clients are not greener than old PCs

By Derek du Preez

16 Jun 2011

Comment: 1

Green pen ticking boxes in a tick list

Stuart Dommett, business development manager at Intel, told delegates at Computing's IT Leaders Forum that businesses should not replace their physical PC estate with thin clients just to fulfil a green agenda.

"What is greener, a five-year-old PC or a thin client? The five-year-old PC," asked Dommett.

Further reading

He added that he had been arguing this point in discussions with the government. "If you are going to throw away something that is perfectly usable, that's not green," he said.

"I think a lot of organisations are making technology architecture decisions without actually understanding the business rationale behind doing it. You don't have to refresh your whole architecture to achieve some of the benefits of a green agenda."

Dommett argued that enterprises and CIOs should understand their green strategy fully before trying to establish solutions such as thin clients. He suggested that other virtualisation techniques could be more effective.

"By using virtualisation, you can start to deliver green efficiencies. You can keep your PC estate but begin to take the operating system off it. You can use virtualisation to stream the operating system to the PC or provide a hosted desktop," he said.

"Always consider your business case, and use other techniques to save your old PCs when you can."

Reader comments

Avoiding hardware replacement saves costs

With government drives for public sector efficiency and private sector organisations facing continued capital expenditure freezes, avoiding hardware replacement without excellent business reasons is certainly an obvious way to save costs.

Yet every day across the country in both public and private sector organisations, equipment that is performing well, is stable and continuing to meet business needs is being ripped out and replaced at huge cost to the customer. Is it really necessary to replace a machine that is perfectly reliable; that delivers the performance required and, critically, has a stable operating system/application environment?

With aging kit running business critical applications, organisations will be understandably concerned about reliability, the speed of availability of spare parts and the responsiveness of any support operation and the green argument is another reason being over played by some parties to provide additional weight to their ‘buy more’ agenda. But is it really greener to scrap an entire system every three years in favour of one that uses a few less Amps and perhaps demands less data centre space and air conditioning?

The answer is not a simple one; however in many cases, it is far better for the environment to extend the life of existing equipment – even by just a couple of years – rather than continually ripping out and replacing, and there are companies that have been helping customers to do this for many years.

Irrespective of whether it is reducing capital expenditure or improving green credentials that drive the agenda, organisations should feel able and confident to make upgrade decisions giving due consideration to all aspects including green issues, but not ‘corralled’ into a decision based on misleading information or marketing spin.

http://www.maindec.com

Posted by: Paul Timms, Operations Director, Maindec  22 Jun 2011

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