CCSI 1U Storage Servers are available in single processor or dual processor configurations with either 2.5 inch or 3.5 inch hard drives. Since 1U is only 1.75 inches vertically, there are limitations as to how much storage you can squeeze into such a small chassis. However, CCSI has 1U storage servers with up to 8 terabytes when utilizing 2 terabyte 3.5 inch hard drives or up to 6.5 terabytes when utilizing 650 megabyte 2.5 inch hard drives. We allow you a great deal of flexibility in your configuration options to offer outstanding storage capacities and maximized computing power if your needs require. You can choose single or dual AMD Opteron™ processors with two, four or six cores, or power sipping single or dual core Intel Atom processor or for more computing muscle, single Intel Core™ i5 or Intel Core™ i7 or dual, quad core Intel Xeon™ socket 1366 processors or even a dual Intel Xeon™ to build your 1U CCSI Server around. You can choose models with up to ten 2.5 inch SAS or SATA hard drives or up to four 3.5 inch SAS or SATA hard drives for maximum storage capacity. To reduce environmental impact, many 1U CCSI Storage Servers offer 80% or higher efficiency power supplies.