QNAP TS-453E-8G 
The TS-453E features 2.5GbE connectivity, 8GB RAM, and M.2 slots for NVMe SSD caching to deliver high performance for applications such as surveillance systems, virtual machines, file servers or backup servers. Dual HDMI outputs also provide direct multimedia playback and robust surveillance monitoring. QNAP will provide long-term availability and support for the TS-453E, providing a great choice for businesses requiring matching NAS models deployed in multiple locations.

The TS-453E uses the QTS operating system by default. You will be able to switch to using the QuTS hero operating system. QuTS hero provides benefits such as ZFS data integrity and WORM technology to prevent data tampering. (Switching to QuTS hero is supported starting from QTS 5.2.1.)

Dual 2.5GbE ports
2.5 times faster network speed with existing CAT5e cables; supports port trunking to deliver up to 5Gbps.

Dual M.2 2280 PCIe slots
Attain greater NAS performance by installing M.2 2280 NVMe PCIe SSDs (sold separately) or Edge TPU.

8GB RAM onboard
System performance and multitasking is optimized with 8GB RAM.

Long-term model
The TS-453E will be available and supported by QNAP for an extended period, up to 2029.

Dual HDMI output
The dual-screen extension can be used for surveillance or 4K high-resolution video playback.