W8900 - Server Thecus - Free user manual and instructions
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| Product Type | Network Attached Storage (NAS) Server |
| Brand | Thecus |
| Model | W8900 |
| Form Factor | 2U Rackmount |
| Drive Bays | 8 x 3.5-inch SATA/SAS (hot-swap) |
| Processor | Intel Xeon E3-1200 v5/v6 Series (quad-core) |
| Maximum Memory | 32GB DDR4 ECC UDIMM (4 x 8GB) |
| RAID Support | RAID 0, 1, 5, 6, 10, 50, 60, JBOD |
| Network Interfaces | 4 x Gigabit Ethernet (RJ-45) |
| USB Ports | 2 x USB 3.0 (front), 2 x USB 2.0 (rear) |
| eSATA Port | 2 x eSATA (for expansion) |
| Power Supply | 600W 1+1 Redundant (hot-swap) |
| Dimensions (W x D x H) | 438 x 580 x 88 mm (19 x 22.8 x 3.5 inches) |
| Weight | Approximately 15 kg (33 lbs) without drives |
| Cooling | 2 x 80mm rear fans (hot-swap) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -10°C to 50°C (14°F to 122°F) |
| Maintenance | Clean external vents with soft brush; replace fans when faulty |
| Safety | Install in well-ventilated area; avoid overloading circuits |
| Spare Parts & Reparability | Hard drives, memory, fans, power supplies, and battery (for cache) are user-replaceable |
| Supported Browsers | Chrome, Firefox, Safari, Edge (latest versions) |
Frequently Asked Questions - W8900 Thecus
How do I access the Thecus W8900 management interface?
Connect the server to your network, then open a web browser and go to the IP address assigned by DHCP (or use the default IP 192.168.1.100). The default admin username is admin and password is admin.
What RAID levels are supported by the W8900?
The Thecus W8900 supports RAID 0, 1, 5, 6, 10, 50, 60, and JBOD. RAID 5 and 6 are recommended for the best balance of performance and redundancy.
Can I upgrade the memory in the W8900?
Yes, the W8900 supports up to 32GB of DDR4 ECC UDIMM memory. It has 4 slots; you can use 8GB modules each. Ensure modules are matched and ECC compatible.
How do I replace a failed hard drive?
The drive bays are hot-swap. Simply press the release button, pull out the failed drive, insert a new one of equal or larger capacity, and rebuild the RAID through the management interface.
What file systems are supported?
The W8900 uses the ZFS file system by default for advanced features like snapshots and compression. It also supports EXT4 and other formats via modules.
How often should I clean the dust filters?
Clean the front dust filter every 3 months or more frequently in dusty environments. Use a vacuum cleaner or soft brush to remove dust.
Can I install third-party applications?
Yes, the Thecus W8900 uses the ThecusOS module system. You can install apps like Plex, ownCloud, or antivirus via the App Store in the admin interface.
How do I backup data from the W8900?
You can use the built-in Backup app to schedule backups to USB drives, other NAS, or cloud services. Also supports Rsync and RTRR for remote backup.
What if I forget the admin password?
There is a reset button on the rear panel. Press and hold it for 5 seconds while the device is powered on to reset the password to default (admin/admin). This will not affect your data.
Is the power supply redundant?
Yes, the W8900 comes with a 600W 1+1 redundant power supply module. If one fails, the other continues to power the server without interruption. Both are hot-swappable.
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