D2 Thunderbolt 3 - NAS TerraMaster - Free user manual and instructions
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| Product Type | 2-Bay Thunderbolt 3 DAS (Direct Attached Storage) |
| Brand | TerraMaster |
| Model | D2 Thunderbolt 3 |
| Supported Drives | 2x 2.5" or 3.5" SATA HDD/SSD (up to 16TB each) |
| Interface | 1x Thunderbolt 3 (USB-C) up to 20 Gbps |
| RAID Modes | RAID 0, RAID 1, JBOD, Single |
| File System Support | HFS+, NTFS, exFAT, APFS (read-only), ext4 (via software) |
| Cooling | Built-in fan (smart speed control) |
| Operating System Support | macOS 10.12+, Windows 7+, iPad Pro (via USB-C) |
| Dimensions (L x W x H) | 227 x 119 x 133 mm (8.9 x 4.7 x 5.2 in) |
| Weight (without drives) | 1.5 kg (3.3 lbs) |
| Power Supply | External adapter: 12V/3A (36W) |
| Power Consumption | ~20W (typical operation) |
| Maintenance | Clean enclosure with soft dry cloth; do not use liquids |
| Safety | Keep away from moisture, heat, and direct sunlight |
| Spare Parts | Drives are user-replaceable; internal components not serviceable |
| Repairability | Limited; contact TerraMaster support for issues |
| General Information | Plug-and-play, no software required; supports Time Machine |
Frequently Asked Questions - D2 Thunderbolt 3 TerraMaster
What drives are compatible with the TerraMaster D2 Thunderbolt 3?
The device supports both 2.5-inch and 3.5-inch SATA HDDs and SSDs. Each bay can accommodate drives up to 16TB in capacity.
Can I use the D2 Thunderbolt 3 with a Windows PC?
Yes, it is compatible with Windows 7 and later. However, for full Thunderbolt 3 support, ensure your PC has a Thunderbolt 3 port.
What RAID modes are available?
You can configure RAID 0 (striping), RAID 1 (mirroring), JBOD (spanned), or Single (each drive independent). Mode is set via physical switch on the back.
Does the device require any software installation?
No, it is plug-and-play. For advanced features like RAID monitoring, you can use TerraMaster's free software tools.
Can I use the D2 Thunderbolt 3 with an iPad Pro?
Yes, it works with iPad Pro models that have a USB-C port. However, file system compatibility may be limited (iPadOS supports exFAT and FAT32).
How do I set up RAID on the D2 Thunderbolt 3?
A physical RAID switch is located on the rear panel. Power off the device, set the switch to desired mode (e.g., RAID 1), insert drives, and power on. The device will automatically initialize the array.
Is the device hot-swappable?
No, you should power off the device before removing or inserting drives to avoid data loss.
What is the maximum transfer speed?
Thunderbolt 3 provides up to 20 Gbps (2.5 GB/s). Actual speed depends on drive performance and RAID configuration.
Does the D2 Thunderbolt 3 support Time Machine on macOS?
Yes, it is fully compatible with Time Machine. Format the drive as HFS+ (Mac OS Extended) or APFS for best results.
What should I do if the device is not recognized by my computer?
First, check the Thunderbolt cable connection. Ensure the power adapter is plugged in and the device is turned on. If using Windows, update the Thunderbolt driver. For macOS, check System Information under Thunderbolt. If issues persist, try a different cable or port.
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