Synology DiskStation DS918+ 4 Bay Diskless NAS - Intel Celeron J3455 Quad Core 1.5 burst up to 2.3GHz 64-bit - 4GB (1x 4GB) DDR3L RAM (2x Slots), Memory expandable to 8GB (2x 4GB) - Compatible Drive Type: 3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD, M.2 NVMe 2280 SSD - Maximum Internal Raw Capacity: 64TB (4x 16TB drives) - Maximum Raw Capacity with Expansion Units: 144TB (64TB + 5x 16TB) - 2x RJ-45 1GbE LAN Port, 2x USB 3.0, eSATA Port - DS918+ - 3 Years Limited Warranty

Manufacturer Warranty: 3 Years Limited Warranty

Manufacturer Contact Info: http://www.synology.com, n/a

The Synology DiskStation DS918+ 4-Bay Diskless NAS (DS918+) is designed to help medium- and large-size businesses scale their file management system by providing an efficient storage solution that makes archiving, retrieving, and securing data convenient.  Featuring a quad-core Intel Celeron J3455 processor, 4GB of RAM, four drive bays, dual M.2 2280 NVMe SSD slots, two Gigabit LAN ports, two USB 3.0 ports, and an eSATA port, the DS918+ Diskless NAS is ready to serve as a hub for storing and sharing data.
 

Storage efficiency

Btrfs enables next-generation storage features for easy file sharing, painless backups, automatic data recovery, and effective file system administration.
 

Disk Station Manager

Manage the DS918+ from your browser.  Synology's NAS management software makes checking and configuring settings simple.
 

The Synology DiskStation DS918+ Diskless NAS lets you install up to four 3.5"/2.5" SATA HDDs or 2/5" SATA SSDs for your data and up to two M.2 SSDs for system cache creation.  Support for the 5-bay Synology DX517 allows you to expand storage capacity to a total of nine bays.

Read more about the Synology DiskStation DS918+ 4 Bay NAS on Synology's site HERE.