My Cloud PR2100 - Server WESTERN DIGITAL - Free user manual and instructions
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| Product Type | NAS Server |
| Brand | Western Digital |
| Model | My Cloud PR2100 |
| Processor | Intel Pentium N3710 (quad-core, 1.6 GHz) |
| Memory | 4 GB DDR3L (expandable to 8 GB) |
| Drive Bays | 2 (3.5-inch or 2.5-inch SATA HDD/SSD) |
| Maximum Raw Capacity | Up to 32 TB (2 x 16 TB drives) |
| RAID Support | RAID 0, 1, JBOD, spanning |
| Network Interface | 2x Gigabit Ethernet (RJ-45) |
| USB Ports | 2x USB 3.0 (front), 2x USB 2.0 (rear) |
| Dimensions (H x W x D) | 6.96 x 3.74 x 9.25 inches (177 x 95 x 235 mm) |
| Weight | 5.0 lbs (2.27 kg) without drives |
| Power Supply | External brick, 12V DC, 48W |
| Power Consumption | Typical: 30W, Standby: 5W |
| Cooling Fan | 1x 92mm rear fan, temperature-controlled |
| Operating System | WD My Cloud OS 5 |
| Supported RAID Levels | RAID 0 (striping), RAID 1 (mirroring), JBOD, spanning |
| File System | EXT4 (internal), NTFS, HFS+, FAT32 (external) |
| Network Protocols | NFS, SMB/CIFS, AFP, FTP, HTTP/HTTPS, WebDAV |
| Backup Features | Smart Sync, Cloud Backup (Dropbox, Google Drive, etc.), local and remote backups |
| Security | BitLocker drive encryption, password protection, SSL/TLS |
| Management | Web-based dashboard (My Cloud OS 5), mobile app (iOS/Android) |
| Repairability | User-replaceable drives and memory; power adapter and fan accessible |
| Maintenance | Clean with dry cloth; avoid liquids; ensure proper ventilation |
| Included Accessories | Ethernet cable, power adapter, quick install guide |
Frequently Asked Questions - My Cloud PR2100 WESTERN DIGITAL
How to set up the My Cloud PR2100 for the first time?
Connect the device to your router via Ethernet, install the WD Discovery software on your computer, and follow the on-screen instructions. You can also use the mobile app My Cloud OS 5 for setup.
Can I use different drive sizes in the two bays?
Yes, but for RAID 1 (mirroring) the total storage is limited to the smallest drive. For RAID 0 or JBOD, combined capacity is used, but no redundancy.
How to configure RAID after installation?
Access the device dashboard via a web browser. Go to Settings > Storage > RAID Management. You can change RAID mode, but initializing will erase all existing data.
Does it support Time Machine backups for Mac?
Yes. Enable Time Machine support in the dashboard under Users > [User] > Services. Then select the NAS share as your backup disk on your Mac.
What is the maximum capacity supported?
The My Cloud PR2100 supports drives up to 16 TB each, for a maximum raw capacity of 32 TB. Always use compatible WD Red or Red Pro drives for best performance.
How to access files remotely?
Enable Cloud Access in the dashboard. Then use the My Cloud mobile app or web browser at www.mycloud.com after signing into your WD account.
Can I expand storage by adding an external USB drive?
Yes. Connect a USB drive to the front or rear USB ports. It will appear as an external share. You can also schedule backups from the internal drives to the external drive.
How to reset the device to factory defaults?
Press and hold the Reset button on the back for 10 seconds using a paperclip. This will reset administrator password and network settings, but drives will keep data.
What are the recommended replacement drives?
Use 3.5-inch SATA HDDs or SSDs. For NAS use, Western Digital Red or Red Pro series are recommended for 24/7 operation and RAID arrays.
How to check the device's temperature and health?
In the dashboard, go to Dashboard > System. The temperature, fan speed, and drive health (SMART status) are displayed. Alerts can be configured for high temperature.
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USER MANUAL My Cloud PR2100 WESTERN DIGITAL
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Product information
Brand : WESTERN DIGITAL
Model : My Cloud PR2100
Category : Server