TowerRAID vs TowerRAID+ eSATA Performance Comparison

Model	Host Interfaces	Max Capacity	Drive Bays	RAID Capabilities
TR4M+ / TR4M+B	eSATA (PM*)	12TB	4 Bays	0, 1, 10, 5, 5+Spare, Spanning, JBOD
TR5M+ / TR5M+B	eSATA (PM*)	15TB	5 Bays	0, 1, 10, 5, 5+Spare, Spanning, JBOD
TR8M+ / TR8M+B	eSATA (PM*)	24TB	8 Bays	0, 1, 10, 5, 5+Spare, Spanning, JBOD

*PM - Port Multiplier **RAID feature based on bundled RR622 RAID Controller Card

Performance

The new generation of TowerRAID Plus is equipped with a new Dual eSATA 6 Gbps PCIe 2.0 x1 controller card utilizing a new and more powerful RAID engine providing the best return on investment for your stringent IT dollar. The new generation of TowerRAID Plus series increase the performance by 5 times.

Online RAID Migration & Expansion

Utilizing dedicated high performance processor and advanced RAID design, TowerRAID Plus Series is capable of real-time RAID mode alteration, and hard drive capacity expansion without the need to erase existing data minimizing down time. This is also no need to move existing data to a temporary location. All changes are performed in the background without interrupting data availability.

Multiple RAID Volumes

TowerRAID Plus series support smultiple RAID volume, where different RAID modes could be setup within a single unit, allowing flexibility for various environments and applications. A multi-bay tower could be divided into smaller volumes that could be operated and administrated individually.

RAID Roaming

To increase protection, each RAID configuration is stored in both unit and the RAID controller card. In case of a hard drive and controller failure, RAID configuration is preserved allowing the administrator to move the complete RAID set to another system without loosing RAID configuration and most importantly, the data inside the RAID set.

Advance Web Based WebGUI Management

Built-in Web based GUI management tools provide all the necessary tools to create, manage and monitor your system. Real-time hard drives and RAID status, event log and e-mail notification of the RAID system can be setup in one easy to use interface.