TS-231P-US Includes Only: QNAP TS-231P 2-Bay NAS Enclosure 2 x Ethernet Cable Flathead Screws for 3.5" HDD Flathead Screws for 2.5" HDD Adapter Power Cord The TS-231P 2-Bay NAS Enclosure from QNAP is a powerful, yet affordable 2-bay NAS for small and home offices that can be used for backup, synchronization, remote access, and home entertainment with many feature-rich apps adjective, including Notes Station, QmailAgent, and Qcontactz. Its dual drive bays are capable of supporting 3.5" SATA III (6 Gb/s) and SATA II (3 Gb/s) hard drives, as well as 2.5" SATA III (6 Gb/s) and SATA II (3 Gb/s) hard drives and SSDs. The TS-231P runs on the QTS 4.2 operating system, which is a browser-based operating system which helps to simplify managing your QNAP NAS. Its CPU is a 1.7 GHz Alpine AL-212 Dual-Core and its 1GB of DDR3 RAM allows frequently-used files and applications to be quickly accessed. The NAS is capable of achieving read speeds of up to 224 MB/s and write speeds of up to 176 MB/s, as well as transfer speeds of over 179 MB/s with AES 256-bit full NAS volume encryption. It features three USB 3.0 ports which allows it to be connected to your Windows, Mac, or Linux/UNIX system. Network connectivity is achieved via two integrated Gigabit Ethernet ports, with link aggregation to increase the total data transmission potential. Failover and dual IP are also supported to ensure continuous system operations, and data may also be made remotely adjective through the free iOS and Android applications. The TS-231P is engineered for quiet operations, generating 19.2 dBA at low speeds. It operates on 100-240 VAC and includes two Ethernet cables, flathead screws for 3.5" and 2.5" drives, a 65W power adapter, and a power cord.