NAS Thecus N4820U-S/R

Intel® Celeron N3450 Quad Core 4GB of DDR3 RAM HDMI, DP and Line Out output Choice of single or redundant power supply iSCSI thin-provisioning supported FREE Acronis True Image license 2 x USB 3.0, 1 x USB 2.0


The N4820U-S/R series are powered by the Intel® Celeron N3450 1.1GHz Burst to 2.2GHz Quad Core Server CPU and 4GB of resilient DDR3 RAM, upgradable to 8GB. The N4820U series is ideal for growing small and medium-sized businesses, it delivers reliable high performance to meet the storage demands of evolving workload demands. The N4820U -S has a single standard built in power supply unit, alternatively the N4820U -R offers a redundant power supply.

“The new N4820U series provides a low acquisition cost for SMB users seeking reliable high performance from their NAS solution," says Florence Shih, General Manager at Thecus Technology Corp.

The N4820U series offers complete data backup and protection capabilities: Thin provisioning, replication for disaster recovery, snapshot technology (Btrfs only), Data Guard for disaster recovery (for real-time remote or local backup) as well as backup to cloud services including DropBox, ElephantDrive, and Amazon S3. It comes bundled with Acronis True Image for uncompromising data security.

Running the latest ThecusOS 7.0, the N4820U series offers a large suite of capabilities and supports a vast amount of 3rd party solution apps as well as complete Scale Out functionality. With Scale Out, businesses can avoid costly revamps of their data centers by flexibly adding additional NAS devices to expand storage capacity.

The N4820U series offer robust, reliable and affordable SMB/Enterprise storage solutions which further deliver on Thecus' ethos of ‘empowering professionals'.


Hardware features

HDMI port (back x1), DP port (back x1)

RAID features

RAID 0, 1,5,6,10 and JBOD


Intel® Celeron N3450 1.1GHz Burst to 2.2GHz Quad Core Processor


4 GB DDR3, Memory expandable up to 8GB

USB Interface

USB 3.0 host port x2 (Back x2), USB 2.0 host port x1 (Front x1)

Disk Interface

4 x SATA for internal, support SATA II / SATA III hard disk

Power Supply

250W power supply (Single), 300W power supply (Redundant)

Client OS Support

ThecusOS™ 7.0

Client OS Support

Windows XP and above, Windows Server 2003 and above, UNIX/Linux, Mac OS X