ReadyNAS R21243D - NAS NETGEAR - Free user manual and instructions
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| Product Type | Network Attached Storage (NAS) |
| Brand | Netgear |
| Model | ReadyNAS R21243D |
| Form Factor | Rackmount (2U) |
| Drive Bays | 12 (SATA/SAS, hot-swappable) |
| Processor | Intel Xeon D Quad-Core |
| RAM | 16 GB ECC DDR4 (expandable to 64 GB) |
| Network Interfaces | 2 x 1 Gigabit Ethernet, 2 x 10 Gigabit Ethernet |
| RAID Support | 0, 1, 5, 6, 10, and proprietary X-RAID2 |
| File System | EXT4, BTRFS |
| Power Supply | Dual redundant, hot-swappable (400W) |
| Dimensions (H x W x D) | 88.9 mm x 482.6 mm x 500 mm |
| Weight | 12.5 kg (without drives) |
| Cooling | Dual 80mm fans, rear exhaust |
| Operating System | ReadyNAS OS (Linux-based) |
| Management | Web interface, SSH, SNMP, RAIDar utility |
| USB Ports | 2 x USB 3.0 (front), 2 x USB 3.0 (rear) |
| Backup Features | Time Machine support, rsync, cloud backup |
| Security | BitLocker-like encryption, user quotas, SSL |
| Cleaning Instructions | Use a soft, dry cloth. Do not use liquids or compressed air directly on internal components. |
| Spare Parts & Repairability | Field-replaceable drives, fans, and power supplies. Optional extended support. |
| Environmental Operating Temp. | 5°C to 40°C (41°F to 104°F) |
Frequently Asked Questions - ReadyNAS R21243D NETGEAR
How do I access the ReadyNAS web interface?
By default, use RAIDar utility to discover the NAS IP address, then open a browser and enter https://. Default credentials are admin/password.
What RAID levels are supported?
The ReadyNAS R21243D supports RAID 0, 1, 5, 6, 10, and Netgear's proprietary X-RAID2 which allows online expansion.
Can I use SSDs in this NAS?
Yes, you can use both SATA and SAS SSDs. The NAS will automatically detect and optimize performance with SSD caching if enabled.
How to replace a failed hard drive?
Hot-swap the drive: identify the failed drive via the front panel LED, unlock the tray, remove the drive, insert a new drive of equal or larger capacity, and allow the array to rebuild automatically.
Does the R21243D support 10GbE?
Yes, it comes with two 10 Gigabit Ethernet ports. You may need to configure them in the network settings for optimal throughput.
How do I set up Time Machine backup?
Enable Time Machine support in the NAS settings, create a share for Time Machine, and on your Mac, select that share as the backup disk in System Preferences > Time Machine.
What is the default admin password?
The default admin password is password. You should change it immediately upon first login via the web interface.
Can I expand storage by adding more drives later?
Yes, X-RAID2 allows you to add drives to an existing array without data loss. Simply insert new drives and expand the volume through the NAS dashboard.
Does this NAS support cloud sync?
Yes, it integrates with popular cloud services like Dropbox, Google Drive, and Amazon S3. Configure via the Cloud Sync app in the ReadyNAS OS.
How to reset the NAS to factory defaults?
Locate the reset button on the front panel. Press and hold it for 5 seconds while the unit is powered on. The NAS will reboot and restore factory settings (excluding drives).
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USER MANUAL ReadyNAS R21243D NETGEAR
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Product information
Brand : NETGEAR
Model : ReadyNAS R21243D
Category : NAS