24-bay 2.5” Expansion Unit for Synology FlashStation Expand your Synology FlashStation with Expansion Unit FX2421 for 24 additional 2.5” drive bays whenever needed. Without additional software configuration FX2421 is immediately ready for use when connected to Synology FlashStation. FX2421 expansion units can also be used as a dedicated and rapidly accessible local backup destination. High-Performance Data Transmission The high-speed expansion cable provided with FX2421 enables high bandwidth connectivity for maximum data throughput between your Synology FlashStation and Expansion Unit. Drives in FX2421 operate with minimum data latency as if installed directly on your Synology FlashStation allowing you to take advantage of high SSD I/O performance. High-Reliability Design Easy Hardware Setup The FX2421 is a highly reliable and thoroughly tested expansion unit that comes with hot-swappable drive trays and modularized components. Redundant power supplies and system fans can be replaced with ease to ensure maximum service uptime. The optional RKS1317 sliding rail kit provides fast rack fixing lock support for quick and secure rack cabinet installation..