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Safe Harbor Computers - Digital Video & 3D Animation Specialists

Safe Harbor Computers - Digital Video & 3D Animation Specialists

Safe Harbor Computers - Digital Video & 3D Animation Specialists
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Tempo SATAII 4x PCIe Card - E4P
When it comes to data storage capabilities, which do you prefer, raw storage capacity or scorching performance? With Sonnet's TempoTM SATA E4P, you get the best of both worlds! This card offer unprecedented scalability through its support of port multipliers—it can handle up to twenty drives! (1) (2) Used with high-performance drive enclosures like Sonnet's FusionTM D500P, port multipliers manage the data flow of up to five drives in one enclosure through a single cable. Using today's highest-capacity drives, you can connect an astounding 20 Terabytes (20,000 Gigabytes!) of storage! NOTE: This controller does not support SATA DVD drives.

List Price: $299.95
Our Price: $254.99

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Tempo SATAII 4x PCIe Card - E4P

CATEGORY: Harddrive Controllers PARTNUMBER: SNTN5250003
MANUFACTURER: Sonnet Technologies, Inc PLATFORM(S): Apple Mac   &   Windows Win
ON THE WEB: www.sonnettech.com AVAILABILITY: Usually ships in 2-business days or less.
AVERAGE RATING: Not rated yet!   Write a review! DELIVERY: Packaged - Due to this items unusual size or weight, an extra shipping surcharge may be applied to your order.

Tempo SATAII 4x PCIe Card - E4P Specifications

Tempo SATA E4P delivers performance previously unattainable with mainstream technologies. The PCI Express interface offers huge bandwidth for data throughput, so the card never slows you down. For the utmost performance, you can create multiple RAID sets to capture and process uncompressed high definition video, or conquer other high-bandwidth applications. For fantastic flexibility, you can work with 20 drives individually and hot-swap them out as needed. (3) 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 Benefits

  • Affordable solution for adding four eSATA ports to your computer
  • SATA II compliant, 1.5 Gb/s and 3 Gb/s auto-negotiation
  • FIS-based Port Multiplier-aware to support up to 20 disk drives (1) (2)
  • Native PCI Express (PCIe) x4 host bus interface for high-performance applications
  • Spread Spectrum Clocking (SSC) support for compatibility with all SATA drives
  • Hot-swap drive support (3)

Compatibility

  • Mac® Pro
  • Power Mac® G5 (with PCI Express slots)
  • Mac® OS X Version 10.3 or later
  • Xserve® (with PCI Express slots)
  • PC (with PCI Express slots) (3)
  • Windows® XP SP 2 or later (3)
  • Windows Vista (3)
Technical Specifications
  • Warranty: 1-year limited warranty
  • RoHS Compliant: Yes
  • Bus Interface: PCI Express x4
  • External Connectors: Four eSATA
  • Drives Supported: Up to 20 (1)
  • Data Transfer Rate: Up to 300 MB per second per port
  • ATAPI Support: No
  • Drives Type Supported: Serial ATA I & II
  • Firmware: Flash-ROM upgradeable to latest firmware version
Advanced Features
  • Port Multiplier aware
  • FIS-based switching controller
  • Spread Spectrum Clocking for compatibility with all SATA drivers and lower EMI emissions
  • Bus Mastering frees CPU from data I/O handling
  • 48-bit LBA support for drives larger than 137 GB

Tempo SATAII 4x PCIe Card - E4P Frequently-Asked Questions

1. HOW DO I TERMINATE A SCSI BUS?

When a SCSI controller issues a command to one of the devices on the SCSI bus, it does not expect to have that command come back to it. Instead, it expects to hear just the response from the drive it issued a command to. Properly terminating the SCSI bus prevents signal reflection on the cables, essentially absorbing commands when they reach the end of the cable. On an improperly terminated SCSI bus, it is common to have the controller software issue error messages caused by unexpected activities on the bus or to experience complete failure of the bus.

The "golden" rule for SCSI termination is that each end of a SCSI bus must be terminated and no terminator can exist anywhere in between these ends. When you add or remove drives from a SCSI bus, you must comply with this rule.

Each SCSI bus starts with a controller. The controller is terminated. Even if there are no drives attached to it, the controller can still issue commands to search for drives without having those commands reflect. Typically, you will add at least one SCSI drive to the bus. You will do so by connecting a ribbon cable from the controller to the drive. Note that one end of the ribbon must plug into the controller and the other end must plug into the drive. In this case, the drive must also be terminated so that both ends of the bus are terminated according to the rule! If you then add additional drives, you can install the drives anywhere along the cable, providing only the drive on the end is terminated.

The termination rule gets complicated when you try to add both internal and external SCSI drives to a system. Since the rule states that the ends of the SCSI bus must be terminated, obviously the drive connected to the end of the internal cable must be terminated and the drive connected to the end of the external cable must be terminated. Unfortunately, this leaves the controller somewhere in the middle of the bus and it too is terminated. If the controller does not provide automatic termination enable/disable, you must manually disable termination on the SCSI controller.

Note that termination violations might sometimes appear to work. However, it is better to be safe than sorry. Follow the rule!

Terminating a drive usually involves installing or removing a jumper on the drive. Check your drive manual for this jumper setting. If the drive does not provide built-in termination, you can purchase a stand-alone terminator. Terminators are available to plug into most SCSI connectors and come in a whole host of shapes and sizes so get the one designed for your application. Note that most new SCSI drives do not provide a built-in terminator and termination is provide by a separate terminator plugged into the end of the SCSI cable.

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What Customers are Saying About Safe Harbor
I was linked to Safe Harbor from Amazon because they didn't have the software I wanted. Safe Harbor was great! They saved me tons of search time. - Kyle

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Order securely online or call 800-544-6599Safe Harbor Computers - Digital Video & 3D Animation Specialists

Safe Harbor Computers - Digital Video & 3D Animation Specialists

Safe Harbor Computers - Digital Video & 3D Animation Specialists