Turning the TS-251D around reveals the rest of the connectivity and button functionality: the Ethernet Port (RJ45), power input, USB 3.0 Type-A port, three USB 2.0 Type-A ports, an HDMI 2.0 port, the Kensington security slot, and the button. At the bottom right is the USB One Touch Copy button USB 3.0 port and button, which allows users to easily transfer data two and from the NAS and USB device. On the front panel is the power button at the top right, with the status, LAN, USB One Touch Copy, and drive LEDs just below. It uses a plastic enclosure, which is common for consumer-grade NAS solutions, and will sit firmly on a desk next a workstation. The TS-251D features a really nice design with its teal and white color scheme, which is quite different than the all-black and less rounded TS-251+ model. Power Consumption: Operating Mode, Typical PCIe bandwidth limitations will restrict the NAS 10GbE performance.ĥ-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) Intel Celeron J4005 dual-core 2.0 GHz processor (burst up to 2.7 GHz)įor dual-DIMM configuration, you must use a pair of identical DDR4 modules. Our model is outfitted with two 14TB WD Red HDDs and 4GB of DDR4 RAM. This is certainly ideal for those who will be using the TS-251D as a file management system for all their media.īacked by a 5-year warranty, the TS-251D starts at around $360 ( currently on Amazon). Moreover, QuMagie, the company’s smart AI photo management application, groups similar photos together in albums using the technology’s integrated AI image recognition. Like all QNAP devices, the TS-251D also features Intel AES-NI 256 hardware-accelerated encryption and snapshot support, the latter which allows for quick recovery of data when files accidentally get deleted, modified or altered due to a ransomware attack. With it, users can add a QNAP QXG – 10GbE/5GbE network expansion card for a high-speed network environment an M.2 SSD for caching a compatible wireless adapter or a USB 3.1 Gen 2 (10Gbps) card for speedy file transmission.
The PCIe expansion is the most important component of the NAS, as it allows users to add some flexibility to to the NAS and expand of its functionality. It also comes with QNAP’s USB One Touch Copy button, which copies data from a USB device to the NAS and vice versa. It also comes equipped with two USB 3.0 ports, three USB 2.0 ports, an HDMI port, and a GbE RJ45 Ethernet port.
As such, it comes with an Intel Celeron J4005 dual-core 2.0GHz processor (with burst up to 2.7 GHz), up to 8GB of DDR4 RAM as we mentioned above, one 1-Gigabit LAN port, and supports both 2.5/3.5-inch HDDs and SSDs. Overall, the TS-251D is another familiar release from QNAP (which is a good thing), with specs and features you normally find with their consumer-grade NAS solutions. Though the 2G ships with 2GB of RAM and the 4G with 4GB, they both can be expanded to a maximum of 8GB using the two DIMM slots. Released back in January, the QNAP NAS comes in two models: TS-251D-4G and TS-251D-2G. The QNAP TS-251D is an entry-level 2-bay NAS that targets home users looking to set up a multimedia entertainment solution (4K media transcoding and streaming) and those who just need a device to secure their data via their own personal cloud.
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