Description
The ATTO ExpressSAS H1244 GT (ESAH-1244-GT0) is a high-performance 12Gb/s SAS/SATA host bus adapter (HBA) engineered for demanding data center, media, and enterprise storage environments. Featuring four external Mini-SAS HD (SFF-8644) ports and four internal Mini-SAS HD (SFF-8643) ports, the H1244 GT delivers exceptional throughput, scalability, and connectivity flexibility for JBOD enclosures, tape libraries, RAID systems, and direct-attached storage.
Built on PCIe 3.0 architecture, this adapter supports 12Gb/s SAS and 6Gb/s SATA devices, making it ideal for LTO tape workflows, high-capacity backup systems, video post-production storage, and business-critical server deployments. ATTO’s advanced driver stack and performance optimization technology ensure consistent, low-latency data transfer and reliable enterprise operation.
Features and Benefits
- 12Gb/s SAS / 6Gb/s SATA connectivity
- 8 total ports: 4 external (SFF-8644) + 4 internal (SFF-8643)
- PCIe 3.0 x8 host interface
- Supports SAS and SATA HDDs, SSDs, and LTO tape drives
- Supports up to four SAS Tape drives per bridge
- LTFS support for simplified access to data stored on LTO Ultrium
- Ideal for JBOD enclosures, RAID arrays, and backup systems
- Advanced data integrity and error handling
- Enterprise-class reliability and performance tuning
- Broad OS compatibility (Windows, Linux, macOS Server environments)
- TAA-compliant, built in the USA with U.S.-based technical support.
Ideal Applications
- LTO-8, LTO-9, LTO-10 tape drive connectivity (supports LTO-5 or later)
- Media & entertainment high-throughput storage
- Data backup and archiving systems
- Enterprise server storage expansion
- Direct-attached SAS/SATA environments
Learn More by Downloading the ATTO ExpressSAS® 12Gb SAS GT Model HBAs Data Sheet 
Specifications
| Brand: | ATTO Technology |
| Part Number: | SAH-1244-GT0 |
| Product Name: | TTO ExpressSAS H1244 GT 12Gb/s SAS/SATA PCIe Adapter |
| Interface: | PCIe 3.0 x8 |
| External Ports: | 4 × Mini-SAS HD (SFF-8644) |
| Internal Ports: | 4 × Mini-SAS HD (SFF-8643) |
| Data Rate: | 12Gb/s SAS, 6Gb/s SATA |
| Device Support: | SAS & SATA HDD/SSD, Tape Drives |
| Operating System Support: | Windows®, Windows® Server, macOS®, SUSE Linux® Enterprise Server (SLES), Red Hat Enterprise Linux (RHEL), Cent OS, Fedora Linux |
| Dimensions: (L x W) | Low Profile: 6.6" x 2.713" |
| In the Box: | ATTO ExpressSAS H1244 GT (ESAH-1244-GT0), Full height and low profile connection brackets |
| Warranty: | Three Years from ATTO |
Learn more and Download the
ATTO ExpressSAS® 12Gb SAS GT Model HBAs Data Sheet
