Investigate your needs and find the model that best meets them. Decide what features you typically use that could affect the purchase, such as graphics, multimedia, sound editing, computer-aided design and the like. Consider factors like processor speed, memory, and hard drive size. One major issue with budgeting business computers is their rapid depreciation and the extra costs involved in maintaining them. As this power increases, other parts of the hardware improve with it.
Software is upgraded to take advantage of the new capabilities.
Due to this process, the typical PC has a lifespan of only 2-4 years before becoming obsolete. High-end computers last a little longer and bargain basement models a little less. So buy new computers when you need them and hold unto the old one until you are sure they need replacing. Prices are always dropping, so waiting too long or buying too early may turn out to be a wasted effort. You also pay for maintenance, training, software, service and upgrades.