Tempo SATA E4P
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Pure Performance. eSATA Advantage.

Why install an eSATA card into your computer just to connect your external drives when it already has USB 2.0 ports, and maybe even FireWire® 400 or FireWire 800 ports, too? Speed, plain and simple. The eSATA interface offers faster transfer speeds than those other connections—if you plan to work with files and not just back them up, you need eSATA—it delivers the fastest data transfers from storage devices with multiple interfaces(1). But, not all eSATA cards are alike. Sonnet's acclaimed Tempo™ SATA E4P eSATA host controller delivers outstanding performance and simple scalability previously unattainable with mainstream technologies.

Tempo SATA E4P was designed with high definition video work in mind—its PCI Express x4 interface offers huge bandwidth for sustained data throughput of up to 240 MB/s per port, so the card never slows you down. It also offers unprecedented storage expandability—its support for high-performance multi-drive storage systems with port multipliers or hardware RAID controllers enable it to handle up to twenty hard drives(2)(3) at the same time! Port multipliers and hardware RAID controllers manage the data flow of up to five drives in one enclosure, transferring files between your computer and drives through a single locking cable. Connect four storage systems, and using today's highest-capacity drives, you can access an astounding 60 Terabytes of storage!

For maximum performance, you can create a single, large RAID 0 set across multiple drives in two or more enclosures to capture and process uncompressed high definition video, or conquer other high-bandwidth applications. You can just as easily create smaller RAID sets to work with multiple streams of compressed video. For fantastic flexibility, you can work with 20 drives individually and hot-swap(4) them out as needed. You can even work with a combination of RAID sets and individual drives—your choices aren't limited. When your storage needs have outgrown standard solutions, get a Tempo SATA E4P—it'll give you room to grow and blazing performance for the most demanding applications.

Key Features

Professional eSATA interface delivers faster performance than standard eSATA, FireWire 800, FireWire 400, and USB 2.0—transfer files to and from your drives in less time

FIS-based port multiplier-aware, and works with enclosures with hardware RAID controllers—supports up to 20 disk drives(2)

Native PCI Express (PCIe) x4 host bus interface for high-performance applications

Supports Mac OS® X, Windows 7 (Professional or Ultimate), Windows Vista (Enterprise or Ultimate), Windows XP Pro, Windows Server 2008 R2, Windows Server 2008, and Windows Server 2003 RAID features

Supports Sonnet-exclusive locking eSATA data cables

Supports hard drive hot-swapping(4)

SATA II compliant, 3 Gb/s and 1.5 Gb/s drive interface auto-negotiation

Spread Spectrum Clocking (SSC) support for compatibility with all SATA drives


For maximum performance, you can create a single, large RAID 0 set across multiple drives in two or more enclosures like Sonnet’s Fusion D800P2, Fusion D500P, Fusion D400QR5, or Fusion R400QR5.

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