The TS-451D2 4-Bay NAS Enclosure from QNAP has been designed so business users can leverage power to enable seamless multi-user on-premises/remote access to work files, while home users can enjoy a high-quality multimedia experience with both streaming and direct 4K (4096 x 2160) HDMI 2.0 output. the TS-451D2 4-Bay NAS Enclosure from QNAP adds to your network storage capacity for daily backups, media serving, and file library archiving. Cloud Storage Gateways allow you to leverage your existing cloud storage to deploy a hybrid-cloud solution, while a built-in App Center provides a wide range of applications to add additional functionality to the TS-451D2. This NAS has a file download speed of up to 113 MB/s and an upload speed of 112 MB/s when using a single Gigabit Ethernet port. When using both Gigabit Ethernet ports via link aggregation, sequential read speeds can reach up to 220 MB/s, while sequential write speeds max out at 224 MB/s. Using a separately-sold 5GbE adapter, download speeds can reach 432 MB/s and upload speeds max out at 368 MB/s.
In addition to the HDMI 2.0 port and dual Gigabit Ethernet ports, the TS-451D2 is also equipped with four USB 3.2 Gen 1 Type-A ports for connecting two TR-004 RAID expansion enclosures, or an 8-bay TL-D800C JBOD. This NAS is driven by a 2.0 GHz Intel Celeron J4025 Dual-Core processor with 2GB of DDR4 memory and 4GB of flash memory to quickly run installed applications using the QTS operating system. Drives can be configured in RAID 0, 1, 5, 6, 10, JBOD, and Single mode, while a 120mm fan helps to keep the enclosure operating at optimal temperatures.