ATTO Technology Express PCI Dual-Channel UL5D SCSI PCI-E Card - Mac/Win

ATTO Technology Express PCI UL5D Dual-Channel Ultra-320 SCSI Host Adapter PCI-Express Card - Mac/Win

ATTO Technology Express PCI UL5D Dual-Channel Ultra-320 SCSI Host Adapter PCI-Express Card - Mac/Win

ATTO Technology Express PCI Dual-Channel UL5D SCSI PCI-E Card - Mac/Win

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B&H $1000 Giveaway

Share your most-wanted item with friends & family for chances to win a $1000 B&H Gift Card. It's that easy!

1 new winner announced every week!
Limit 1 entry per day; Come back every day to increase your chance of winning!

Be sure to mention #BHWishList when you share!

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Congrats to our winners so far — Mark P., Lauren K. & Daniel M.

Official Rules


NO PURCHASE IS NECESSARY TO ENTER OR WIN. The B&H $1,000.00 Giveaway (the "Giveaway" or "Sweepstakes") is void where prohibited by law and is sponsored by B&H Foto & Electronics Corp., 440 Ninth Avenue, New York, NY 10001 ("Sponsor"). It is not sponsored or endorsed by Facebook or Twitter in any way.

Entry Period/Methods of Entry. The Sweepstakes will run from on or about November 7, 2016 until on or about December 19, 2016 (the "Entry Period"). Entries received outside the Entry Period are void. Enter the Sweepstakes via either one of the following methods. (1) Share your most wanted item on Facebook or Twitter via the dedicated links found on the B&H Website (; or (2) Mail a postcard (postmarked during the Entry Period) containing your name, address, phone number, and email address, and indicate the subject(s), if any, about which you are interested in receiving future emails from B&H (e.g. photo, video, audio, computers, home theater, portable entertainment ) (optional) to: B&H $1,000.00 Giveaway, c/o B&H Foto & Electronics Corp., 440 Ninth Avenue, New York, NY 10001 (either option, an "Entry"). Entries must not, in the sole and absolute discretion of the Sponsor, contain obscene, provocative, defamatory, sexually explicit, or otherwise objectionable or inappropriate content. Entries deemed by Sponsor to be inappropriate will be disqualified. Entries owned by a third party, or the use of any trademarks, service marks, logos, brands, or products owned by a third-party are not acceptable for entry into the Sweepstakes. Limit 1 entry per person, per day.

Winner Selection/Prizes/Odds. The B&H Social Team will randomly select a winner from among all eligible entries every Monday during the Entry Period, for a total three (3) winners (each a "Winner"). Each Winner will receive a B&H Gift Card pre-valued in the amount of $1000.00. No cash or other substitutions will be offered. Winner selection is in the sole and absolute discretion of the B&H Social Team. Any taxes are the sole responsibility of the winner. Winners will be notified and receive their prize to the e-mail address associated with the account to which their Entry was posted or the email account provided with a mail-in entry. The odds of winning depend on the number of eligible entries received.

Identity of Winners/Eligible Participants. Winners will be identified by the e-mail account associated with the Facebook or Twitter account from which their Entry was submitted or the email account provided with a mail-in entry. An e-mail account holder shall mean the natural person assigned to such e-mail account by the internet access or online service provider or other organization responsible for assigning e-mail addresses for the domain associated with such e-mail account. Any issues regarding the identity of a Winner shall be resolved by Sponsor in its sole discretion. The Sweepstakes is only open to residents of the United States that are at least eighteen (18) years of age on their entry date and is not open to employees of Sponsor, their immediate family, any person domiciled with such employees, or any affiliates or subsidiaries of Sponsor.

Entry Ownership/Entrant Agreements. Entrants retain full ownership and copyrights to their Submission. However, by entering the Sweepstakes entrants grant Sponsor permission to use their Entries for promotional purposes on their respective social media channels with proper credit. Entrants also agree: (a) to be bound by these Official B&H $1,000.00 Giveaway Rules; (b) that any claims related to this Sweepstakes shall be resolved individually without resort to any form of class action and that awards, shall be limited to actual out-of-pocket costs incurred in entering the Sweepstakes, and shall not include incidental or consequential damages or attorneys fees; and (c) that any actual or perceived ambiguities in these rules shall be interpreted by Sponsor in their sole discretion.

Limitation of Liability/Sponsor Modification/Cancellation Rights/ Choice of Law/ Venue/ Winners List. Sponsor is not responsible for incomplete entries or for failure to receive entries due to technical failures or human error of any kind. Winners agree that Sponsor will have no responsibility for losses or damage of any kind resulting from the acceptance, possession, or use of the prizes. Except where prohibited, participation in the Sweepstakes constitutes entrant's consent to the publication of his or her name by Sponsor in any media for commercial or promotional purposes without limitation or further compensation subject to Sponsor's respective Privacy Policies. Sponsor may modify or discontinue the Sweepstakes at any time and may disqualify from the Sweepstakes any person it determines, in its sole discretion, to have attempted to or actually tampered with or otherwise abused any aspect of the Sweepstakes. Entrants agree that in the unlikely event a dispute arises in connection with this Sweepstakes, it will be governed by the laws of the State of New York and heard exclusively in a court of applicable jurisdiction in the County and State of New York irrespective of any choice of law provisions to the contrary. To receive names of the winners by U.S. mail, please mail a self-addressed stamped envelope to: B&H Foto & Electronics Corp., Attn: B&H $1,000.00 Giveaway, 440 Ninth Avenue, New York, NY 10001. Any Winners List request must be received by B&H within one (1) year of the date the Sweepstakes is conducted.

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  • 1Description

Atto's Express PCI Dual Channel Ultra -320 SCSI Host Adapter enables the high-throughput connection (up to 640 Mbps aggregate) for users running nonlinear video editing application, CAD applications, or audio applications. Just plug in and play; RAID support not included.

Atto's high-powered adapter is backward compatible with Ultra 160, Ultra 2, Ultra/WIDE, Fast/WIDE and Narrow SCSI devices; it features Advanced Data Streaming (ADS) Technology, and it offers double transition clocking, packetization and redundancy checking. There is no better value for complex applications.

Blazing Speed
Dramatically increase your data throughput up to 320 Mbps (depending on drive, motherboard, and PCI bus speed) with the latest in Ultra SCSI technology. It supports two external channels for aggregate throughput of up to 640 Mbps.
The True Power of SCSI
Get Double Transition Clocking, Domain Validation, Quick Arbitration Select, Packetization and Cyclical Redundancy Checks with SCSI. This Atto adapter supports Low Voltage Differential (LVD), for longer cable extension, no matter the cable type. And add up to 30 SCSI bus IDs between your two external channels.
Advanced Data Streaming Technology
Atto's proprietary data acceleration technology combines an embedded RISC processor and bus mastering (for reduced CPU usage), Tagged Command Queuing (for faster I/O processing) and other enhancements to maximize performance for power users and workgroups.
Optimal Enterprise Performance Characteristics
This feature allows user to ultimately back up professional workstations. It is engineered for maximum bandwidth and low CPU utilization for complex networking and information systems; support features such as Free-Running Clock, Read/Write Data Streaming, Flow Control, Training Patterns, Precompensation, and Asynchronous Information Protection (AIP), all on a small, yet powerful, SCSI adapter.
Supports Multiple Drivers
This adapter supports Windows Server 2003/XP/2000, or Mac OS 9, Mac OS X Operating Systems.
In the Box
ATTO Technology Express PCI UL5D Dual-Channel Ultra-320 SCSI Host Adapter PCI-Express Card - Mac/Win
  • User Manual
  • 2-Year Warranty
  • Table of Contents
    • 1Description
    Interface Protocol Ultra 320 SCSI
    Host Connection Type x4 PCI Express
    Data Transfer Rate Up to 320 Mbps
    Cache Memory None
    Channels Two, independent
    Device Support Supports up to 30 SCSI bus IDs
    Hot Swap Support No
    Two external VHDCI
    Two internal high-density connectors per channel
    Maximum Cable Length 37.5'
    Supported RAID Kit available
    System Requirements
    Mac Mac OS X
    Mac OS 9
    Windows Windows 2000
    Windows XP
    Windows Server 2003
    Hardware Slot: Available PCI Slot
    Power 1.61 typical/2.03 max. amps @ + 3.3 VDC
    0.65 typical/ 1.46 amps @ + 12.0 VDC
    Environmental Requirements
    Operating Temperature: 0-45°C
    Humidity: 10-90% non-condensing
    Airflow: 100 LFM (min)
    Warranty 2-Year
    Packaging Info
    Box Dimensions (LxWxH) 10.0 x 7.2 x 3.0"

    ATTO Technology Express PCI Dual-Channel UL5D SCSI PCI-E Card - Mac/Win Review

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