QNAP TS-853BU-4G 8-Bay Diskless NAS - Intel Celeron Apollo Lake J3455 Quad-core 1.5GHz (up to 2.3GHz) CPU - 4GB DDR3L SODIMM RAM ( 2x 2GB, max 8GB total) - 2U Rackmount - 4GB eMMC - 8x 2.5"/3.5" SATA 6GB/s, 3GB/s HDD/SSD - 4x USB 3.0 (Rear) - 4x Gigabit Ethernet - 1x HDMI 1.4b port - ATX 350W Power Supply - Rails not included - 3 Years Limited Warranty

Manufacturer Warranty: 3 Years Limited Warranty

Manufacturer Contact Info: https://www.qnap.com/i/au/,

The QNAP TS-853BU-4G 8-Bay Diskless NAS (TS-853BU-4G) provides the reliability and versatility required by small- and medium-sized businesses in a network storage solution that easily integrates into their enterprise's infrastructure for implementing workgroup collaboration and data archiving applications.  The QNAP TS-853-BU NAS outfits 4GB of RAM and an Apollo Lake Intel Celeron J3455 quad-core processor to help it deliver superior computing power, while eight drive bays enable installing 3.5"/2.5" HDDs and SSDs for storage.  It also features four RJ45 1GbE LAN ports, four USB 3.0 ports, an HDMI port, and a PCIe slot.
 

Easy expansion

The TS-853BU's storage capacity can easily be expanded up to a total of 16 or 20 drives with QNAP's UX-800U-RP and the UX-1200U-RP NAS expansion unit.  Each drive bay is hot-swappable, allowing quick and effortless drive installation and replacement.
 

The QNAP TS-853BU 8-bay NAS with outfitted dual 2GB RAM modules is designed to deliver outstanding network storage performance for a wide variety of network applications, including but not limited to, hosting virtual machines, cross-platform file-sharing, and private cloud applications.

Read more about the QNAP TS-853BU-4G 8 Bay Rackmount NAS on QNAP's site HERE.