Synology RX418 Manual

Expansion Unit RX418
Hardware Installation Guide

Table of Contents
Chapter 1: Before You Start
Package Contents 3
Expansion Unit at a Glance 4
Safety Instructions 5
Chapter 2: Hardware Setup
Tools and Parts for Drive Installation 6
Install Drives 6
Connect with Synology RackStation 8
Conrm Connection and Manage Storage Spaces 9
Learn More 9
Appendix A: Specications
Appendix B: LED Indicator Table
Synology_HIG_RX418_20181022
2

Thank you for purchasing Synology RX418 expansion unit! Before setting up your new expansion unit, please
check the package contents to verify that you have received the items below. Also, make sure to read the safety
instructions carefully to avoid harming yourself or damaging your Synology product.
Note: All images below are for illustrative purposes only, and may differ from the actual product.
Package Contents
Expansion unit x 1 AC power cord x 1
Rack mount kit x 2 Drive tray key x 2 Expansion cable x 1
Screws for 3.5” drives x 20 Screws for 2.5” drives x 20 Rack mount kit screws x 8
Before You Start 1
3
Chapter

4Chapter 1: Before You Start
Expansion Unit at a Glance
Front
12 3 4 5
6
Back
7
8 9
No. Article Name Location Description
1 POWER Button and
Indicator
Front
Press to manually power on the expansion unit. For more information, please
see "Appendix B: LED Indicator Table".
2 ALERT Indicator Displays warnings regarding fan or temperature status. For more information,
please see "Appendix B: LED Indicator Table".
3 eSATA Indicator Displays the status of the linked RackStation.
4 Drive Status Indicator Displays the status of drives. For more information, please see "Appendix B:
LED Indicator Table".
5 STATUS Indicator Displays the status of the system. For more information, please see "Appendix B:
LED Indicator Table".
6 Drive Tray Install drives here.
7 Fan
Back
Disposes of excess heat and cools the expansion unit.
8 Power Port Connect the AC power cord here.
9 eSATA Port Connect the expansion unit to a Synology RackStation here. For compatible
models, please visit www.synology.com.

5Chapter 1: Before You Start
Safety Instructions
Keep away from direct sunlight and away from chemicals. Make sure the environment does not
experience abrupt changes in temperature or humidity.
Place the product right side up at all times.
Do not place near any liquids.
Before cleaning, unplug the power cord. Wipe with damp paper towels. Do not use chemical or
aerosol cleaners.
To prevent the unit from falling over, do not place on carts or any unstable surfaces.
The power cord must plug in to the correct supply voltage. Make sure that the supplied AC voltage is
correct and stable.
To remove all electrical current from the device, ensure that all power cords are disconnected from
the power source.
Risk of explosion if battery is replaced with an incorrect type. Dispose of used batteries appropriately.

Tools and Parts for Drive Installation
• A screwdriver
• At least one 3.5” or 2.5” SATA drive (please visit www.synology.com for compatible drive models)
Warning: If you install a drive that contains data, the system will format the drive and erase all existing data. Please
back up any important data before installation.
Install Drives
1 Pull the drive tray handle in the direction as indicated below to remove the drive tray.
2 Load drives in the drive trays.
• For 3.5” drives: Place the drive in the drive tray. Turn the tray upside down and tighten screws into the four
spots indicated below to secure the drive.
• For 2.5” drives: Place the drive in the drive tray. Turn the tray upside down and tighten screws into the four
spots indicated below to secure the drive.
Hardware Setup 2
Chapter
6

7Chapter 2: Hardware Setup
3 Insert the loaded drive tray into the empty drive bay.
Note: Make sure the tray is pushed in all the way. Otherwise, the drive might not be able to function properly.
4 Press the handle in ush with the front panel to hold the drive tray in place.
5 Insert the drive tray key into the drive tray lock, turn the key clockwise to lock the handle of the drive tray, and
then remove the key.
6 Repeat the steps above to install all prepared drives.
7 Fix the two rack mount kits on both sides with the nuts provided.
8 Drives are numbered as shown below.
1 2 34
1 2 34
Note: If you want to create a RAID volume, we recommend that all installed drives are of the same size to make the
best use of drive capacity.

8Chapter 2: Hardware Setup
Connect with Synology RackStation
1 Connect one end of the power cord to the power port of the expansion unit, and the other to the power outlet.
RX418
Synology RackStation
2 Connect one end of the expansion cable to the expansion unit, and the other to the main RackStation unit.
After the connection is complete, the expansion unit will be turned on or off automatically when the connected
RackStation powers on or off.
Important: Do not remove the expansion cable while the host device is still powered on. Doing so may result in data
loss.

9Chapter 2: Hardware Setup
Conrm Connection and Manage Storage Spaces
1 Log into the DiskStation Manager (DSM) of the RackStation unit.
2 Go to Storage Manager > Overview to conrm the expansion unit is successfully connected.
3 Go to RAID Group on the left panel to manage storage space creation or expansion.
• If you want to create a new RAID group, click Create and follow the wizard to complete the creation.
• If you want to expand an existing RAID group, select the RAID group you want to expand from the group list,
click Manage > Add Disk and follow the wizard to complete the expansion.
4 Once the RAID group is ready, go to Volume on the left panel to manage the volumes.
• If you want to create a new volume on the expansion, click Create and follow the instructions of the wizard.
• If you want to expand an existing volume, select the volume you want to expand from the volume list, click
Edit, and follow the instructions of the wizard.
5 For more information about volume management, please see DSM Help > Storage Manager.
Limitations: Before using this expansion unit, please see the limitations below.
1. RX418 expansion unit can be linked to only one Synology RackStation at a time.
2. The data of some DSM packages can be stored on the expansion unit only if you create an expanded volume
with it. The data cannot be stored on the expansion unit if an independent volume has been created on it.
3. Drives previously used in a Synology RackStation are not readable when directly inserting them into this
expansion unit, and vise versa.
Learn More
Congratulations! Your expansion unit is set up now. For more information or online resources, please visit
www.synology.com.

Item RX418
Compatible Drive Type 3.5” / 2.5” SATA x 4
Maximum Internal Raw Capacity 40 TB (4 x 10 TB HDD)
Expansion Port eSATA x 1
Hot Swappable Drive Yes
Size (H x W x D) (mm) 44 x 430.5 x 290 (Not including rack mount kits)
44 x 480 x 325 (Including rack mount kits)
Weight (kg) 4.28
System Fan 3 x (40 x 40 x 20mm)
Power Recovery Synchronized with RackStation
Agency Certication • FCC Class A • CE Class A • BSMI Class A
Environment Requirements
• Line Voltage: 100V to 240V AC
• Frequency: 50/60Hz
• Operating Temperature: 32 to 95˚F (0 to 35˚C)
• Storage Temperature: -5 to 140˚F (-20 to 60˚C)
• Relative Humidity: 5% to 95% RH
Note: Model specications are subject to change without notice. Please refer to www.synology.com for the latest information.
Specications A
10
Appendix