Sonnet Technologies actually sells three different Thunderbolt-based expansion chassis for PCI Express cards, differentiated mostly by size. The largest Echo Express Pro, which we have here in the lab, takes two full-length cards (or, a single double-slot card). That's a ~£600 dollar proposition. The vanilla Echo Express supports a single PCIe card with a maximum length of 7.75". It sells for around £450. Finally, the entry-level Echo Express SE also supports a single-slot PCIe device, but it's only large enough for a half-length board. A ~£300 price tag makes it more affordable, though.To be clear, Sonnet Technologies doesn't really position these enclosures as solutions for adding discrete graphics to consumer-level notebooks. Given their price points, they're much better suited to workstation-oriented applications: adding the expandability of an eight-port RAID controller, tacking on professional A/V editing cards, or even incorporating 8 Gb Fibre connectivity to a mobile machine.The Echo Expresses feature a simple and elegant external design. Their solid aluminum frames serve two purposes: aesthetically, they match the silver shell of Apple's Mac computers, and functionally, they help dissipate heat from the add-in card inside. In an effort to further address thermal concerns, Sonnet Technologies employs fans on the front and back of the enclosures to help maintain adequate airflow. Installing a card is straightforward. Slide off the top cover after removing the rear security screw, and then drop in your PCI Express-based board. Just be aware that Sonnet doesn't provide any additional power connectors, which may limit what you're able to install. The enclosures employ a proprietary power circuit, so you can't simply upgrade the power supply. There are also implications for adding a storage device with SATA/SCSI support via Thunderbolt. Neither the Echo Express Pro nor the Echo Express are designed to support internal storage devices. The correct way to use the product would be to install a controller with external connectivity, and then attach a JBOD designed to house and power a number of disk drives. Report item - opens in a new window or tab Description current Shipping and payments eBay item number:262708858065 Seller assumes all responsibility for this listing. Last updated on Nov 20, 2016 10:34:07 PST View all revisions Item specifics Condition: Used: An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitions- opens in a new window or tab ... Read moreabout the condition Marke: Sonnet Herstellernummer: Sonnet Express Pro Herstellergarantie: Keine Herstellungsland und -region: Vereinigte Staaten Sonnet EchoExpress Pro Thunderbolt 1, ideal auch für 2 lange PCIe Karten - guter Gebrauchtzustand - incl. MwSt - Rechnung vom Fachhändler - ein Jahr Garantie&Sachmängelhaftung Sonnet Technologies' Echo Express Pro Sonnet Technologies actually sells three different Thunderbolt-based expansion chassis for PCI Express cards, differentiated mostly by size. The largest Echo Express Pro, which we have here in the lab, takes two full-length cards (or, a single double-slot card). That's a ~£600 dollar proposition. The vanilla Echo Express supports a single PCIe card with a maximum length of 7.75". It sells for around £450. Finally, the entry-level Echo Express SE also supports a single-slot PCIe device, but it's only large enough for a half-length board. A ~£300 price tag makes it more affordable, though.To be clear, Sonnet Technologies doesn't really position these enclosures as solutions for adding discrete graphics to consumer-level notebooks. Given their price points, they're much better suited to workstation-oriented applications: adding the expandability of an eight-port RAID controller, tacking on professional A/V editing cards, or even incorporating 8 Gb Fibre connectivity to a mobile machine.Comparison PCIe Slots Maximum Card Length Maximum Card Height Maximum Card Width Power Supply Echo Express Pro 2 x16 12.28" (Full) 6.6" (Full) 2 Single-Width 1 Double-Width 150 W The Echo Expresses feature a simple and elegant external design. Their solid aluminum frames serve two purposes: aesthetically, they match the silver shell of Apple's Mac computers, and functionally, they help dissipate heat from the add-in card inside. In an effort to further address thermal concerns, Sonnet Technologies employs fans on the front and back of the enclosures to help maintain adequate airflow. Installing a card is straightforward. Slide off the top cover after removing the rear security screw, and then drop in your PCI Express-based board. Just be aware that Sonnet doesn't provide any additional power connectors, which may limit what you're able to install. The enclosures employ a proprietary power circuit, so you can't simply upgrade the power supply. There are also implications for adding a storage device with SATA/SCSI support via Thunderbolt. Neither the Echo Express Pro nor the Echo Express are designed to support internal storage devices. The correct way to use the product would be to install a controller with external connectivity, and then attach a JBOD designed to house and power a number of disk drives. Business seller information Contact details Agnes Polok Manteuffelstrasse 12 90431 Nürnberg Deutschland Phone: 0176|83186769 Email: thorpemichael@icloud.com Return policy Period Returns costs 14 days Käufer trägt die unmittelbaren Kosten der Rücksendung der Waren Questions and answers about this item No questions or answers have been posted about this item. Ask a question - opens in a new window or tab Seller assumes all responsibility for this listing. Shipping and handling This item will ship to Thailand, but the seller has not specified shipping options. Contact the seller- opens in a new window or tab and request a shipping method to your location. Shipping cost cannot be calculated. Please enter a valid ZIP Code. Item location: Nürnberg, Germany Shipping to: Worldwide No additional import charges at delivery! This item will be shipped through the Global Shipping Program and includes international tracking. 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Please enter a number less than or equal to 1. Select a valid country. ZIP Code: Please enter a valid ZIP Code. Please enter 5 or 9 numbers for the ZIP Code. Shipping and handling To Service Delivery* EUR 39.95 Thailand Standard Int'l Versand Varies for items shipped from an international location Seller ships within 2 days after receiving cleared payment - opens in a new window or tab. * Estimated delivery dates- opens in a new window or tab include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared payment- opens in a new window or tab. Delivery times may vary, especially during peak periods. Domestic handling time Will usually ship within 2 business days of receiving cleared payment - opens in a new window or tab. VAT price: 19.0% (included in the listed price). If you have questions about this VAT tax, please contact the seller. 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