QNAP TS-451DeU Operation & User’s Manual

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This guide provides information on the QNAP TS-451DeU NAS and step-by-step instructions on installing the hardware. It also provides instructions on basic operations and troubleshooting information. Audience This document is intended for consumers and storage administrators. This guide assumes that the user has a basic understanding of storage and backup concepts. Document Conventions Symbol Description Notes provide default con ...

This chapter provides basic information about the QNAP TS-451DeU NAS. About the TS-451DeU The TS-451DeU is powered by an Intel® Celeron® J4025 dual-core 2.0 GHz processor, AES-NI hardware encryption engine, and supports up to 8 GB of DDR4 memory. The NAS features two M.2 2280 SATA 6 Gbps SSD slots and provides four hot-swappable SATA 6 Gbps drive bays to support both hard disk drives and solid-state drives. The TS-451DeU also includes ...

• 2.5-inch SATA hard disk drives • 2.5-inch SATA solid-state drives M.2 SSD slots 2 x SATA 6 Gbps M.2 SSD form factor 2280 SSD cache acceleration support 3.5-inch drive bays:1 to 4 Hot-swapping Supported Network 2.5 Gigabit Ethernet ports 2 x 2.5 GbE RJ45 Note The 2.5 Gigabit Ethernet port provides 3 network connection speeds: 2.5G, 1G, 100M, and 10M. External ...

• Wet-bulb temperature: 27˚C (80.6˚F) Security slot Kensington security slot Package Contents Item Quantity TS-451DeU 1 Power cord 1 Ethernet cables 2 x CAT5e cables Screws for 3.5-inch drives 16 Screws for 2.5-inch drives 12 Heatsinks for M.2 SSDs 2 Handle kit • 2 x handles • 2 x angle brackets • 8 x screws Quick Installation Guide (QIG) 1 Components Front P ...

2 USB 2.0 Type-A ports 6 Power input 3 USB 3.2 Gen 1 Type-A ports 7 System fans 4 2.5 Gigabit Ethernet ports - - System Board Note The image does not include the case cover. TS-451DeU User Guide Product Overview 7 ...

3 M.2 SSD slot 1 2 Memory slot 1 4 M.2 SSD slot 2 Drive Numbering Installation Requirements Category Item Environment • Room temperature: 0˚C to 40˚C (32˚F to 104˚F) • Non-condensing relative humidity: 5% to 95% • Wet-bulb temperature: 27˚C (80.6˚F) • Flat, anti-static surface without exposure to direct sunlight, liquids, or chemicals Hardware and peripherals • Storage drives For the list of compa ...

tool, lock and key, or any means of security. • Only qualified, skilled, and authorized persons with knowledge of all restrictions, safety precautions, and installation and maintenance procedures should have physical access to the NAS. • To avoid potential injury or damage to components, ensure that the drives and other interna ...

For details, see Rail Kits and Installing Handles. 3. Install the drives. For details, see the following topics: • Installing 3.5-inch Hard Drives on 3.5-inch Trays • Installing 2.5-inch Hard Drives or Solid-State Drives on 3.5-inch Trays • Installing M.2 Solid-State Drives 4. Connect the NAS to the network. 5. Optional: Connect expansion units. For details, see Connecting USB Expansion Units 6. Connect the power cord an ...

This chapter provides specific hardware and firmware installation and configuration steps. Hardware Installation This section provides information on installing drives, memory modules, handles, and adding expansion units. Removing the Case Cover Warning • Moving fan blades: Keep your hands and other body parts away from moving fan blades. • Other moving components: Keep your hands and other body parts away from other m ...

c. Lift the cover off the NAS. Attaching the Case Cover Warning • Moving fan blades: Keep your hands and other body parts away from moving fan blades. TS-451DeU User Guide Installation and Configuration 12 ...

moving components. 1. Place the cover on the NAS. 2. Slide the cover forward. 3. Tighten the screws. 4. Connect all cables and external attachments. 5. Connect the power cord to the electrical outlet. TS-451DeU User Guide Installation and Configuration 13 ...

Drive Installation The TS-451DeU is compatible with 3.5-inch and 2.5-inch hard drives, 2.5-inch solid-state drives, and M.2 solid-state drives. Installing 3.5-inch Hard Drives on 3.5-inch Trays For the list of compatible drive models, go to https://www.qnap.com/compatibility. Warning • Installing a drive deletes all data on the drive. • Observe electrostatic discharge (ESD) procedures to avoid damage to components. • Moving fan b ...

a. Place the drive on the tray so that the holes on the bottom of the drive are aligned with the holes on the bottom of the tray. b. Attach the screws. 4. Load the tray into the bay. TS-451DeU User Guide Installation and Configuration 15 ...

b. Slide the tray into the bay. c. Push the handle. d. Lock the tray. 5. Power on the NAS. Installing 2.5-inch Hard Drives or Solid-State Drives on 3.5-inch Trays For the list of compatible drive models, go to https://www.qnap.com/compatibility. Warning • Installing a drive deletes all data on the drive. • Observe electrostatic discharge (ESD) procedures to avoid damage to components. • Moving fan blades: Keep your ha ...

a. Pull the tray handle outward. b. Pull the tray out. 3. Install a drive on the tray. a. Place the tray on the drive so that the holes on the tray are aligned with those on the drive. b. Attach the screws. TS-451DeU User Guide Installation and Configuration 17 ...

a. Insert the tray into the bay. b. Slide the tray into the bay. c. Push the handle. d. Lock the tray. TS-451DeU User Guide Installation and Configuration 18 ...

Installing M.2 Solid-State Drives The TS-451DeU has two M.2 SATA 6 Gbps SSD slots on the System Board. For a list of compatible M.2 SSDs, go to http://www.qnap.com/compatibility. Warning • Installing a drive deletes all data on the drive. • Observe electrostatic discharge (ESD) procedures to avoid damage to components. • Moving fan blades: Keep your hands and other body parts away from moving fan blades. • Other moving componen ...