Data Transfer Speed: eSATA: up to 300 MB/sec; USB 2.0: up to 480Mb/sec
Works with ALL Makes and Models of SATA I and SATA II 3.5 inch drives up to 750GB in Capacity (each bay).
The RS-M2TS offers the fastest available data access with the new eSATA shield connector, and early adopters will appreciate the speed and convenience of this recent advance. To increase connectivity options and convenience, it can convert the internal SATA data dignal to an external USB 2.0 signal, enabling use with any computer that has a USB port.
FEATURES
Provides Striping, Spanning, Mirroring, and JBOD RAID modesfor effective storage management
Easy configuration of RAID modes, no IT expertise required
Simplifies RAID management, no software installation required
Achieves fastest performance via Striping mode
Ensures data integrity with redundant backup capability
Eliminates potential downtime, repair costs, and lost sales due to disk failure
Supports automatic rebuild in Mirroring mode
Easy monitoring of system status via LED indicators
Dissipates heat efficiently with aluminum housing
Maximizes airflow with silent, high quality fan
Supports current SATA II compliant HDDs, fully backward
compatible with SATA 1.0 and SATA 1.0a compliant HDDs
Simplifies HDD installation; user friendly design enables
effortless HDD hot-swapping
Supports hot-plug and HDD hot-swap
Flexible connection via an eSATA port

SPECIFICATION
Interface: eSATA x 1; USB 2.0 x 1
HDD Support: 3.5" SATA HDD*
RAID Level: Striping (RAID 0), Spanning, Mirroring (RAID
1), JBOD
Data Transfer Speed: eSATA: up to 300 MB/sec; USB 2.0: up
to 480Mb/sec
System Material: Aluminum case with plastic front and rear
panels
LED: Power on/Power off/Access/Rebuild/Error
Power Supply: Input: AC 90-264V; Output: DC +12V/2A, +5V/2A
Dimension: 220 x 85 x 130 mm
*Identical HDD recommended - same manufacturer, capacity
and RPM

More Information on the Chip Used Inside
STEELVINE'S SERIES of storage controllers is really starting to push the eSATA spec into the usable and attractive case scenarios.
The latest Sil5744 comes with integrated eSATA and USB 2.0 interfaces, but the unique feature of this controller is the fact that it contains the logic that will treat two hard drives as a single entity.
SiI5744 Storage Processor
Storage Processor with Embedded USB 2.0 and eSATA Interfaces
The SiI5744 is a low-cost, single-chip solution for digital home and small office storage appliances. This SteelVine Storage Processor connects a USB 2.0 or 3 Gbps eSATA host port to two 3 Gbps eSATA Gen2m device ports. Features of the SiI5744 include advanced RAID modes, drive locking, and single-button backup. Extensive software developer kits are available from Silicon Image to simplify product differentiation.
Applications: Disk Drives, External SATA, Storage Systems
Other Features & Benefits
Serial ATA Host Interface Features
Serial ATA Gen2m compliance
eSATA and 2-meter cable support
3 Gbps (auto-negotiates to 1.5 Gbps)
Compatible with PM aware and non-PM aware hosts
Allows multiple drives to be accessed by non-PM aware drive hosts
Supports NCQ
USB Host Interface Features
Complies with USB 2.0 specification
480 Mb/s (can auto-negotiate to 12 Mb/s)
Compatible with OHCI / UHCI / EHCI hosts
Supports up to four LUNs
Supports Mass Storage Class