TS-351-4G - NAS QNAP - Free user manual and instructions
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| Product Type | NAS (Network Attached Storage) |
| Brand | QNAP |
| Model | TS-351-4G |
| CPU | Marvell Armada 385 dual-core 1.6 GHz |
| RAM | 4 GB DDR3 (expandable up to 8 GB) |
| Drive Bays | 3 x 3.5" SATA 6Gb/s (supports hot-swapping) |
| Max Raw Capacity | 48 TB (3 x 16 TB HDD) |
| RAID Support | RAID 0, 1, 5, 6, 10, JBOD (via software) |
| Ethernet Ports | 2 x Gigabit RJ-45 |
| USB Ports | 2 x USB 3.0 (front), 2 x USB 2.0 (rear) |
| HDMI Output | 1 x HDMI 1.4a (up to 4K @ 30Hz) |
| Dimensions (HxWxD) | 160 x 219 x 160 mm (6.3 x 8.6 x 6.3 in) |
| Weight (Net) | 2.6 kg (5.73 lbs) |
| Power Supply | External 90W AC adapter |
| Power Consumption | ~30 W (operation), ~0.5 W (sleep) |
| Cooling | 1 x 120mm fan (intelligent speed control) |
| Operating System | QTS (latest version available) |
| Key Functions | File sharing, backup, multimedia streaming, surveillance, virtualization, cloud sync |
| Maintenance | Clean with a dry cloth; keep ventilation slots unobstructed |
| Safety | Do not disassemble; avoid liquids; use only supplied power adapter |
| Spare Parts & Repairability | Replaceable HDDs, RAM module, fan; e-waste disposal per local regulations |
Frequently Asked Questions - TS-351-4G QNAP
What is the default IP address for the QNAP TS-351-4G?
The default IP address is obtained via DHCP. Use Qfinder Pro to locate the device on your network.
How do I install hard drives in the TS-351-4G?
Open the front panel, slide out the drive trays, install 3.5-inch or 2.5-inch SATA drives into the trays, lock them, and insert back into the bays. Screws are provided.
Can I use different capacity hard drives in the same RAID array?
Yes, but the array capacity will be limited to the smallest drive size. It is recommended to use drives of identical capacity for optimal performance.
How to access files remotely?
Enable myQNAPcloud service and set up port forwarding on your router. Alternatively, use VPN or QNAP Qlink.
What is the maximum memory upgrade?
The TS-351-4G supports up to 8 GB DDR3 RAM (2 x 4 GB modules). Use compatible SO-DIMM modules.
Does the TS-351-4G support surveillance cameras?
Yes, with QVR Pro or Surveillance Station. It supports up to 8 IP cameras with a free license for 2 channels.
How to reset the NAS to factory defaults?
Press and hold the reset button on the rear panel for 10 seconds. Release when the buzzer sounds. The NAS will reset to factory settings.
What is the power consumption in sleep mode?
Power consumption in sleep mode (HDD standby) is approximately 0.5 W.
Can I use the HDMI port for media playback?
Yes, you can output video up to 4K @ 30Hz using the HDMI 1.4a port. Install HD Station or use Kodi via the App Center.
How do I update QTS firmware?
Go to Control Panel > System > Firmware Update. You can update manually by uploading the file or check for latest version online.
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