NAS qnap ts-459 pro 2 + 4x2TB WD red

QNAP NAS available;
1 Piece, 4 drives max.
System is working perfectly, ideal for backup.

Product description:
The QNAP TS-459 Pro II Turbo NAS is the industry's true business-class network-attached storage designed with next-generation technology like 6Gb/s (SATA III) hard drives support, delivering blazing fast data transfer rates. The NAS houses up to four hot-swappable 3.5-inch or 2.5-inch SATA hard disk drives for up to 12TB of networked storage (based on 3TB hard drives). The TS-459 Pro II incorporates the Intel® Atom™ D525 1.8GHz dual core processor, capable of delivering ultra high performance, reliability, and lower power consumption during intensive data transfers. The TS-459 Pro II features 1GB of high performance DDRIII RAM, which can be upgraded to 3GB by simply adding a 2GB RAM in the additional RAM slot.
The TS-459 Pro II NAS supports super high-speed USB 3.2 Gen 1 ports, eSATA ports, and dual Gigabit network interfaces with load-balancing and failover support. Also standard is single disk, RAID 0, 1, 10, 5, 6 or 5+hot spare with online RAID capacity expansion and online RAID level migration for maximum data redundancy.
Working in a virtualized environment? The TS-459 Pro II is an efficient and powerful business storage center with advanced iSCSI services, cross-platform data sharing, and all-in-one server applications. With VMware® Ready™ and Citrix® Ready™ certification, and proven compatibility with Microsoft Hyper-V environment, the NAS is an ideal shared storage solution for virtualized and clustered environments.