Synology FX2421 24-Bay 2U All-Flash Expansion Unit
Prices in SGD, excluding 9% GST.
PRODUCT DESCRIPTION
Synology FX2421 24-Bay 2U All-Flash Expansion Unit - 5 Years Warranty
24 more flash bays
Adds 24 2.5" bays to a FlashStation with no extra configuration.
Low latency
High-speed SAS cabling gives near-internal performance.
Reliable design
Hot-swappable trays, redundant PSUs and modular fans.
Synology Expansion Unit FX2421 Datasheet — Technical Specifications
Storage
| Product Name | Synology Expansion Unit FX2421 |
| Model | FX2421 |
| Drive Bays | 24 |
| Drive Types | 2.5" SAS HDD/SSD, 2.5" SATA SSD |
| Host Connection | SAS IN x 1, SAS OUT x 1 |
Power
| Power Supply | 500 W, redundant |
| Power Consumption | 190.99 W (access) |
Physical & Environment
| Form Factor | 2U rackmount |
| Dimensions (H x W x D) | 88 x 482 x 724 mm (with ears) |
| Weight | 14.5 kg |
| Noise Level | 57 dB(A) |
| Operating Temperature | 0–35 °C |
Warranty
| Warranty | 5 years (Synology) |
Compatibility & Applications
Compatibility
FS6400, FS3600 and FS3400 (DSM 6.2.3-25426-2 or later). Rail kit RKS-02 sold separately.
Typical Use
Expands FS6400/FS3600/FS3400 FlashStation capacity.
Package Contents & Synology Ordering Information
In the Box
1 x FX2421 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 | 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 (this listing) | 24-bay 2U 2.5" SAS/SATA expansion unit |
| RX6025sas | 60-bay 4U SAS expansion unit |
Official Synology Videos
RUN Studios: Remote Video Production on Synology All-Flash Servers (official Synology channel)
Datasheet & Downloads
| Specifications | FX2421 on synology.com |
| Compatibility | Synology compatibility list |
| Downloads | FX2421 Download Center |
Frequently Asked Questions — Synology Expansion Unit FX2421
Which hosts are supported?
FS6400, FS3600 and FS3400.
Which drives fit?
2.5" SAS HDD/SSD or 2.5" SATA SSD.
What is the warranty?
5 years Synology limited warranty.
Do I get a GST invoice?
Yes. Supplied by SourceIT in Singapore with a GST invoice.
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