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Synology RackStation RS4021XS+ - 16 Bay

Synology RackStation RS4021XS+ - 16 Bay

The 16-bay RS4021xs+ provides solid data security and lightning-fast performance with over 234K 4K...

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Product Information

Full details

The Synology RackStation RS4021xs+ is a high-performance 16-bay NAS designed for small and medium-sized businesses needing robust data security and fast access. Its key benefit is providing lightning-fast performance and data protection with features like redundant power and advanced snapshot technology. Keep in mind that while it offers extensive features, setting up and configuring the system may require some technical expertise.

All features

Model Part NumberRS4021XS+
BrandSynology

Extended Product Information

FAQs

What type of drives can I use?

The RS4021xs+ supports both 2.5" and 3.5" SATA HDDs and SSDs.

How do I back up my data?

You can use Hyper Backup to back up data to various destinations, including local devices, other Synology NAS devices, and cloud services.

What is RAID and which level should I choose?

RAID (Redundant Array of Independent Disks) provides data redundancy and performance benefits. Consider RAID 5 or RAID 6 for a balance of performance and data protection, depending on your needs.

How do I upgrade the RAM?

The RS4021xs+ supports up to 64GB of RAM. You can add or replace RAM modules through the access panel on the device.

Can I use the NAS for surveillance?

Yes, the RS4021xs+ includes Synology Surveillance Station, which supports up to 90 IP cameras.

How do I update the DSM software?

Log in to DSM, go to Control Panel > Update & Restore, and follow the on-screen instructions to download and install the latest updates.

What is the warranty period?

The Synology RackStation RS4021xs+ typically comes with a 3-year limited warranty.

How can I expand storage capacity?

You can expand storage by adding more drives or connecting expansion units like the RX1217(RP).

Troubleshooting

NAS not found on the network.

Check network connections, ensure the NAS is powered on, and verify your network configuration.

Slow data transfer speeds.

Check your network connection, ensure 10GbE is enabled if applicable, and consider enabling SSD cache.

Drive errors or failures.

Check the drive health in DSM, replace faulty drives, and ensure proper RAID configuration.

System performance issues.

Monitor CPU and RAM usage, close unnecessary applications, and consider upgrading RAM or using SSD cache.

Unable to access Surveillance Station.

Verify the Surveillance Station package is installed and enabled, and check camera compatibility.

Pros and Cons

Pros

  • High data transfer speeds due to 10GbE and SSD cache options.
  • Robust data protection with ECC memory and the Btrfs file system.
  • Redundant power supplies ensure service continuity.
  • Versatile backup and recovery options with Hyper Backup and Snapshot Replication.
  • Scalable storage capacity to meet growing business needs.

Cons

  • Setup and configuration can be complex for users unfamiliar with NAS systems.
  • Requires compatible hard drives or SSDs.
  • May require additional investment in expansion units for increased storage.
  • Can be a significant investment compared to lower-end NAS solutions.
  • High noise level during operation.

Setup, Compatibility & Care

  1. Hardware Setup:
  • Install hard drives or SSDs into the drive bays.
  • Connect the NAS to your network and power it on.
  1. Software Installation:
  • Use Synology Assistant to find the NAS on your network.
  • Install the latest DSM (DiskStation Manager) software.
  • Follow the on-screen instructions to set up storage pools and volumes.
  1. Compatibility:
  • Supports both HDD and SSD storage drives.
  • Compatible with various operating systems including Windows, macOS, and Linux.
  • Ensure your network infrastructure supports 10GbE for optimal performance.
  1. Care Instructions:
  • Keep the unit in a well-ventilated area to prevent overheating.
  • Clean the exterior with a dry cloth.
  • Regularly monitor drive health and system logs.
  • Ensure the firmware is updated to the latest version to maintain security and performance.

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