Difference Between Server and Desktop Computer

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As the number of users grows, the base of 1C swells with an engine that is used as a server that can not handle the load, the guide breaks and mosques, the performance drops. the rate of customer service drops, so IT affirms the need to purchase a new server. During the time disaster recovery process the company bears the loss – perhaps sooner or later face the same problem. So we are faced with a dilemma – to buy a server or a desktop computer, but is more powerful.

In this case, there is a quite expected question: “Why buy a server costing over 100 thousand, when you can do with a powerful system block up to 30 thousand?”
Most likely, such savings boomerang. Server equipment is expensive, but it provides more stability, reliability, and performance. Consider these points in more detail in comparison of the server and a normal PC.

Power system: The server is designed to operate 24 hours a day, 7 days a week. For this purpose it is equipped with redundant power supply (ideally connected to the other phase, and even better with two different blocks of uninterrupted power supply for each block) – thus, the load is distributed evenly on two power supplies, and that is not unimportant, the server is much more likely to “survive” in the event of a power outage and / or death of one of the blocks of uninterrupted power supply. Power supply power – 750 watts, which enables the power supply units to reliably withstand the internal components.

Conventional system units have only one power supply, power usually does not exceed more than 500 watts. Thus, on a standard PC, we can observe incorrect work of some devices because of the banal lack of tension from time to time.

Cooling system: We all know that electronics do not like heat – from overheating the computer reboots, freezes, and behaves poorly.

Lowering the temperature inside the computer, around the electronic components is achieved by air circulation. Therefore, the server chassis in most cases more, in addition, have the fans not only on the CPU and power supply, but also additional case fans, and separate fans for hard disk drives.

In a typical system block hull fans miss half of the cases, and the fans for hard disk drives exist only in cases where there is an specially established and experienced system administrator. It is also worth noting that the installation of additional fans is an additional burden on an already not very powerful PSU. As a result, saving your computer from overheating, we are taking him to death from lack of stress on the power supply.

Disk Subsystem: Server motherboard has an integrated RAID-controllers that allow you to “merge” several physical disks into a single volume, thus increasing performance (increases the speed of reading and writing), as well as fault tolerance (recorded data is automatically duplicated on other drives that can store data in case of death of one of them).

Servers make it possible to “hot swap” – replace the hard drive on the fly, without shutting down and stop working, which is very important in case of emergency situations – three minutes, and users do not notice anything, as things continue to work quietly.

Motherboards conventional PCs and higher price ranges also have built-in RAID-controllers, but in most cases, these controllers are less functional, and allow you to configure, in most cases only two hard drives, much less four. Of course, you can install extra RAID-controller, while again increasing the burden on the power unit and creating additional obstacles for air circulation.

Conventional system blocks does not allow “hot swapping”, hence the death of one disk in a RAID-array, of course, will not lead to data loss, but will stop the server (and all its users) for a long time – to set the new drive and rebuild RAID- array.

Case: Server chassis, in most cases, move normally and allows air to cool (about furrows additional fans), and secondly, allows to establish a greater number of hard drives. It’s also worth noting steel, which is used for the body – its thickness is 1 mm or more. That, firstly, greatly reduces the noise level coming from the server, and secondly, to avoid damage to the hand during assembly and maintenance of the server, Third, increases the mechanical strength and reliability.

Consider building a conventional computer: a small volume and difficulty of air circulation, lack of the possibility of installing a large number of hard drives, thin and sharp steel cabinet, which on the one hand is easily damaged, and on the other hand it is easy to get hurt. Increased noise.

Expandability: Thinking about the future, the chief predicts growth of the company and business. To meet the needs of growing with the company and business, the system administrator should think about a planned increase in capacity and performance of the server. In most cases, the motherboard contains a few extra sockets to install processors. Your motherboard has 32 slots for memory modules. Server chassis contains many bays of dozens of additional hard drives.

What can we say about the usual computer?

The maximum you can buy a dual-processor motherboard. More – this is a server motherboard, but it is not included in a standard PC. Number of slots for RAM on a conventional motherboard does not exceed four. The number of bays for hard drives does not exceed more than six. Thus it is not difficult to calculate the maximum available size of operating memory, and disk and how much it will meet the business needs of the organization.

It should be remembered that the with maximum number of hard drives, we get problems with the load on the power supply, and problems in usual case will be no room for air circulation between the discs, and they will be very warm.

Period of support: Do not consider a manufacturer’s customer support, and a real opportunity to physically repair and / or upgrade your computer.

The server that period is about five years, ie Today there is a real opportunity to buy parts for the server, which was bought five years ago. Just a modern server bought today will be able to purchase additional memory, hard drive, processor, etc. Five years later, these components will be on sale and available to order.

For a typical computer term of support and a complete change of technology and components is only three years. I.e. if after three years there will be a need to upgrade the server and increase its productivity, it will likely have to buy a new system unit, as an integrated system will not be on sale, they are considered outdated.

Economic impact: Given the above, we assume that after the purchase of the server overall performance is increased by 10%, i.e. copy files 10% faster than the indexed base, etc. We arrive at the fact that the performance of each individual employee working with the server, has grown by 10%. Accountant, storekeeper, manager – each received almost an additional hour of work a day! Plus, this significantly reduced downtime in the event of an accident and the number of these accidents. And how many hours a month? And how much per year? And in Rupees? – Competent manager can easily calculate that a business owner can make use of the server.

Thus, we conclude that if you decide to buy a dedicated server web hosting, it will not cost but an investment in a stable and reliable operation of the business.

source: https://www.esds.co.in/blog/difference-between-server-and-desktop-computer/#sthash.9tBMGVyv.dpbs

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