Whether a small or large grocery operation, the front-end continues to handle an increased workload. For small operations, one of the POS may also function and POS and store server, requiring ultra-high reliability and performance to handle inventory, order management, accounting, CRM databases, etc.. For larger operations, increased processing power required to support complex promo pricing, assistance programs, etc., as well as the need for ultra-reliable to keep the checkouts running smoothly as mandatory.