D2U667C-K4G/BR - NAS BUFFALO - Free user manual and instructions
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| Product Type | Network Attached Storage (NAS) |
| Brand | Buffalo |
| Model | D2U667C-K4G/BR |
| Drive Bays | 2 x 3.5" SATA |
| Compatible Drives | 3.5" SATA I/II/III hard drives |
| RAID Modes | RAID 0, RAID 1, JBOD |
| Network Interface | 1 x Gigabit Ethernet (10/100/1000) |
| Data Transfer Protocols | SMB/CIFS, FTP, WebDAV, AFP |
| USB Ports | 2 x USB 3.0 |
| Memory (RAM) | 512 MB DDR3 |
| Max Internal Capacity | Up to 16 TB (2 x 8 TB drives) |
| Power Supply | 100-240 V AC, 50/60 Hz |
| Power Consumption | Approx. 20 W (average) |
| Cooling | Built-in silent fan |
| Dimensions (W x H x D) | 170 x 115 x 230 mm (approx.) |
| Weight | 2.3 kg (approx.) |
| Operating Temperature | 5°C to 35°C |
| Security Features | AES encryption, user and group management |
| Package Contents | NAS unit, power adapter, Ethernet cable, quick setup guide |
| Maintenance | Keep vents clean; use soft dry cloth for exterior |
| Safety | Place on stable surface; avoid moisture and strong impacts |
| Reparability | Drives are hot-swappable; easy access for replacement |
Frequently Asked Questions - D2U667C-K4G/BR BUFFALO
How do I set up the Buffalo D2U667C-K4G/BR for the first time?
Connect the NAS to your router via the Ethernet cable, then plug in the power adapter. Install the bundled setup software or access the web-based interface to configure shared folders and user accounts.
What RAID configurations are supported?
The device supports RAID 0 (striping) for performance, RAID 1 (mirroring) for data redundancy, and JBOD for combining drives without redundancy.
Can I access my files remotely?
Yes, you can enable remote access through the built-in FTP server or WebDAV support. For secure remote access, use a VPN connection or the device's cloud-compatible features.
How do I back up data from my PC to the NAS?
Install the included backup utility on your computer. Schedule regular backups to NAS shared folders, or map a network drive and drag-and-drop files.
What security features does the NAS include?
The NAS offers AES encryption for data protection, user and group management for access control, and optional firewall settings to filter network traffic.
Is the device compatible with both Windows and Mac?
Yes, it supports SMB/CIFS for Windows and AFP for macOS. Both operating systems can access shared folders without additional software.
How do I replace or add a hard drive?
Remove the front drive tray or bay cover, then insert a compatible SATA drive. The NAS supports hot-swapping in RAID 1 mode, allowing drive replacement without powering down.
What should I do if the NAS is not detected on my network?
First, check all cable connections and ensure the router is working. Use the NAS Navigator tool to scan for devices, and confirm that the device has a valid IP address from your network.
Does the NAS support external USB drives?
Yes, it features USB 3.0 ports for connecting external storage. You can access the drive as a shared folder or use it for one-touch backup of NAS data.
What is the warranty or support options?
Buffalo typically provides a limited hardware warranty. Please check the included documentation or visit the Buffalo website for specific warranty terms and technical support contacts.
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USER MANUAL D2U667C-K4G/BR BUFFALO
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Product information
Brand : BUFFALO
Model : D2U667C-K4G/BR
Category : NAS