Synology RX426 4-Bay 1U Expansion Unit for RackStation
Prices in SGD, excluding 9% GST.
PRODUCT DESCRIPTION
Synology RX426 4-Bay 1U Expansion Unit for RackStation - 3 Years Warranty
Four more bays
Adds four bays to compatible RackStation systems without downtime.
Plug and play
Expand and manage storage from Storage Manager in DSM.
Short-depth 1U
Mounts in 2-post racks directly, or 4-post racks with RKM114 / RKS-02.
Synology Expansion Unit RX426 Datasheet — Technical Specifications
Storage
| Product Name | Synology Expansion Unit RX426 |
| Model | RX426 |
| Drive Bays | 4 |
| Drive Types | 3.5" SATA HDD, 2.5" SATA SSD |
| Host Connection | 1 x USB Type-C expansion port (cable included) |
Power
| Power Supply | 100 W, 100–240 V AC |
| Power Consumption | 29.96 W (access), 6.63 W (HDD hibernation) |
Physical & Environment
| Form Factor | 1U rackmount |
| Dimensions (H x W x D) | 44 x 480 x 325 mm (with ears) |
| Weight | 4.18 kg |
| Fans | 3 x 40 mm |
| Noise Level | 32.8 dB(A) |
| Operating Temperature | 0–35 °C |
Warranty
| Warranty | 3 years (Synology), extendable to 5 years |
Compatibility & Applications
Compatibility
RS1226RP+, RS1226+, RS826RP+ and RS826+. Rail kit RKM114 or RKS-02 for 4-post racks (sold separately).
Typical Use
Adds four bays to an RS826 or RS1226 series RackStation.
Package Contents & Synology Ordering Information
In the Box
1 x RX426 expansion unit, expansion cable, power cord(s), accessory kit and quick installation guide. Drives not included.
Synology Expansion Units at SourceIT
| Model | Key feature |
| DX517 | 5-bay SATA expansion unit |
| DX1222 | 12-bay SATA expansion unit |
| RX426 (this listing) | 4-bay 1U SATA expansion unit |
| RX1225RP | 12-bay 2U SATA expansion unit with redundant PSU |
| RX1222sas | 12-bay 2U SAS/SATA expansion unit |
| RX1223RP | 12-bay 2U SATA expansion unit with redundant PSU |
| RXD1219sas | 12-bay 2U dual-port SAS expansion unit |
| FX2421 | 24-bay 2U 2.5" SAS/SATA expansion unit |
| RX6025sas | 60-bay 4U SAS expansion unit |
Official Synology Videos
Enhance Your Synology NAS (hardware upgrades) — Synology SPOT (official Synology channel)
Datasheet & Downloads
| Specifications | RX426 on synology.com |
| Compatibility | Synology compatibility list |
| Downloads | RX426 Download Center |
Frequently Asked Questions — Synology Expansion Unit RX426
Which hosts are supported?
RS1226RP+, RS1226+, RS826RP+ and RS826+.
Do I need a rail kit?
Only for 4-post racks: RKM114 or RKS-02.
What is the warranty?
3 years Synology warranty, extendable to 5 years.
Do I get a GST invoice?
Yes. Supplied by SourceIT in Singapore with a GST invoice.
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