Synology DS916+ DiskStation Preconfigured with 24TB (4 x 6TB) Western Digital NAS Drives Form Factor: 4-Bay Port RJ-45: 2 x 10/100/1000M Port USB: 3 x USB3.0 Port eSATA: 1 HDD Interface: 4 x SATA (4 x Bay) Default/ Max. Memory: 2GB Dimensions: 6.50 x 7.99 x 9.18 Package Contents: DS916+ Main Unit x 1, Welcome Note x 1, Accessory Pack x 1, AC Power Adapter, AC Power Cord x 1, RJ-45 LAN Cable x 2