Lenovo Storage N3310 (English) User Guide and Hardware Maintenance Manual - Le - Page 22

Power supply Your storage product comes with one or two power supplies. When two power supplies are both installed, they provide redundant and hot-swap features. Depending on the storage product model, the power supplies for your storage product can be any of the following types: • 450-watt, 90-264 V ac, universal input and compliant with 80 PLUS Gold • 550-watt, 90-264 V ac, universal input and compliant with 80 PLUS Platinum • 750-watt, 90-264 V ac, universal input and compliant with 80 PLUS Platinum • 750-watt, 180-264 V ac, universal input and compliant with 80 PLUS Titanium System fans Your storage product supports up to six system fans. This design helps you avoid significant cooling problems when a system fan fails. Internal drives Internal drives are devices that your storage product uses to read and store data. The internal drives supported by your storage product vary by model. • Internal storage drive Your storage product supports up to four 3.5-inch hot-swap Serial Advanced Technology Attachment (SATA) hard disk drives, Serial Attached SCSI (SAS) hard disk drives (SCSI is the acronym for Small Computer System Interface), or solid-state drives. Note: You can install a 2.5-inch solid-state drive into a 3.5-inch-drive bay. For more information, see "Installing a 2.5-inch solid-state drive into a 3.5-inch hard-disk-drive bay" on page 90. • Optical drive - One slim SATA optical drive in some models To locate the internal drives or drive bays, see "Storage product components" on page 19. Expansion slots • One PCI Express (PCIe) slot on the system board • One PCIe slot on each riser card • Two riser card assembly slots on the system board For detailed information, see "Rear view of the storage product" on page 17. 8 Lenovo Storage N3310 User Guide and Hardware Maintenance Manual