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The TS-439U-RP and TS-439U-SP are 1U rackmount NASes that can hold four hot-swappable 2.5" or 3.5" SATA up to 2 TB capacity. The hardware core of each includes an Intel ATOM 1.6GHz CPU, 1GB DDRII memory and and dual Gigabit LAN ports supporting seven configurable modes including link aggregation, failover and multiple LAN.

Drives can be configured into multiple volumes using RAID 0/1/5/6/5+ spare, and JBOD. Online RAID capacity expansion and RAID level migration are supported and volumes can be optionally AES encrypted. Both models also can function as iSCSI target stores.

The TS-439U-RP includes a redundant power supply, while the TS-439U-SP ships with only a single supply, with an open bay for upgrading to a second supply.

Other features include secure FTP, encrypted remote replication, email and SMS alerts, SMB/CIFS, NFS, and AFP network file systems. The new models run QNAP's new AJAX-based V3 OS that includes a revamped web-based management GUI and EXT4 support for very large volumes and file sizes.

The TS-439U-RP and TS-439U-SP will be available this month at MSRPs of $1,199 and $999, respectively and ship with a free rackslide rail kit. The optional redundant power supply for the TS-439U-SP will be available at an MSRP of $250.

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