ATTO Next Generation PCIe 4.0 SAS HBAs

Did you know the next generation of SAS adapters are here now and are available to all of our customers? They are! ATTO ExpressSAS® GT PCIe 4.0 12Gb/s SAS/SATA family of host bus adapters offer the fastest available connection to direct-attached SAS or SATA storage.

These adapters have the latest PCI Express 4.0 compatibility with backward compatibility for PCIe 3.0 hosts. ATTO Advanced Data Streaming (ADS™) Technology controls the acceleration of data transfers to move large amounts of data faster and more efficiently. They have also been performance engineered with NUMA memory allocation which allows for efficiently shared memory and use of multiple queues resulting in higher performance.

ExpressSAS GT adapters have several features that provide customers data protection and management at no extra cost. ATTO PowerCenter Pro brings the performance and protection of RAID 0, 1, 1e and 10 to storage devices attached to ExpressSAS 12Gb SAS HBAs with internal connections. Cable management and rich ATTO APIs allow for easier configuration and less time managing equipment

ATTO adapters are designed to deliver flexible connectivity solutions. This includes support for the latest Windows®, Linux®, macOS®, VMware®, FreeBSD and illumos operating systems. Flexible connectivity options for internal and external storage and easy-to-install full-height and low-profile connection bracket meet any configuration need. Extensive Interoperability and continuous testing with major software and storage vendors round out the ways ATTO ExpressSAS GT adapters enhance users’ ease of use.

ATTO ExpressSAS GT SAS/SATA Host Bus Adapters (HBAs) build on a long history of providing high-performance data protection to direct-attached SAS and SATA storage.
To see all of our ExpressSAS GT HBAs, visit