Memory: 32 GB 4 x 8 GB Ram DDR3. HP Smart Array P420i Included.USB Ports: 2 x Front - 4 x Back. Hard Drive and Caddy are not Included - Takes 2.5'' SAS HD. Quantity: 1 Each more available. 4945 Monaco St Commerce City CO 80022. Sorry we do not offer any warranties on the batteries software and operating system issues. Please give us an opportunity to resolve the issue before leaving any bad feedback. We try our best to explain the item with utmost accuracy but sometimes there are human errors.