What items are included in the Synology RX426 package?

The package includes the main unit, one USB Type-C expansion cable, one accessory pack, and one AC power cord.

What types of drives are compatible with the Synology RX426 expansion unit?

The Synology RX426 supports 3.5-inch SATA HDDs and 2.5-inch SATA SSDs.

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Synology RX426 Reliable 4-bay storage expansion for RackStation

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SYNOLOGY 4BAY EXPANSION UNIT RX426

Model
Brand	Synology
Model	RX426

Hard Drive Performance
Drive Compatibility	3.5" SATA HDD 2.5" SATA SSD

Power
Power	100-240 VAC 50/60Hz
Power Consumption	29.96 W (Access) 6.63 W (HDD Hibernation)

Environmental
Temperature	Operating Temperature: 0°C to 35°C (32°F to 95°F) Storage Temperature: -20°C to 60°C (-5°F to 140°F)
Humidity	Operating Humidity: 8% to 80% RH Storage Humidity: 5% to 95% RH

Dimensions & Weight
Dimensions	44 x 430.5 x 290 mm
Weight	4.18 kg

Package Contents
Package Contents	Main Unit x 1 Expansion Cable: USB Type-C x 1 Accessory Pack x 1 AC Power Cord x 1

Additional Information
First Listed on Newegg	September 01, 2026

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