ATTO ExpressSAS H1244GT
ATTO ExpressSAS H1244GT
12Gb/s SAS/SATA PCIe 4.0 Host Bus Adapter With 4 External And 4 Internal Ports
The ATTO ExpressSAS H1244GT is a high-performance host bus adapter designed for enterprise and data center environments requiring robust SAS/SATA connectivity.
It features 4 external and 4 internal ports, supporting 12Gb/s SAS and SATA devices via a PCIe 4.0 x8 interface.
This low-profile adapter is ideal for direct-attached storage, tape backup, and high-bandwidth streaming applications.
- 4 external and 4 internal Mini SAS HD ports for versatile connectivity.
- PCIe 4.0 x8 interface for maximum throughput and low latency.
- Supports both SAS and SATA devices at up to 12Gb/s.
- Optimized for transactional, streaming, and archival workloads.
Original price was: £ 496.13.£ 494.95Current price is: £ 494.95. | £ 593.94 inc VAT
Please Call Us For Availability Of This Item
Category: SAS/SATA HBA PCIe Cards
Brand: ATTO Technology
ATTO ExpressSAS H1244GT – Product Overview
The ATTO ExpressSAS H1244GT is purpose-built for enterprise environments requiring reliable, high-speed connectivity between servers and a diverse range of SAS and SATA storage devices.
With support for both internal and external connections, this adapter is ideal for data centers, cloud computing, video post-production, and transactional workloads where performance and flexibility are paramount.
Leveraging PCIe 4.0 technology, the H1244GT doubles the bandwidth of previous generations, ensuring smooth data streaming and rapid access to mission-critical information.
Flexible Connectivity for Modern Storage Architectures
The H1244GT provides four external and four internal Mini SAS HD ports, enabling simultaneous connection to multiple storage arrays, JBODs, and tape libraries.
This flexibility allows organizations to scale their storage infrastructure efficiently, supporting both direct-attached and expanded configurations.
High Performance and Low Latency
With a 12Gb/s SAS interface and x8 PCIe 4.0 host bus, the adapter delivers exceptional throughput and minimal latency.
This makes it well-suited for environments with intensive transactional workloads, such as financial trading systems, business intelligence, and database applications.
Advanced Data Streaming and Reliability
ATTO's Advanced Data Streaming (ADS) Technology ensures controlled acceleration of data transfers, providing consistent, high-bandwidth performance for streaming and backup operations.
Support for advanced error handling, including transport layer retries (TLR), enhances data integrity and reliability.
Comprehensive Management and Diagnostic Tools
The included ConfigTool and vConfigTool utilities offer intuitive management, monitoring, and configuration capabilities.
These tools simplify deployment and troubleshooting, helping administrators maintain optimal performance and uptime.
Enterprise-Grade Compatibility and Security
The H1244GT supports all major operating systems, including Windows, Linux, VMware, FreeBSD, illumos, and macOS.
Features like WriteStop™ (for OEMs) and NUMA support address specialized security and performance requirements in multiprocessor environments.
Robust Design and Environmental Tolerance
Engineered for reliability, the adapter operates in a wide temperature and humidity range, with a low-profile form factor suitable for dense server deployments.
It is RoHS compliant and backed by a three-year warranty, ensuring long-term value and compliance with industry standards.
ATTO ExpressSAS H1244GT – Key Features
- 12Gb/s SAS/SATA interface with backward compatibility to 6Gb/s and 3Gb/s devices for maximum flexibility.
- x8 PCIe 4.0 host interface delivering exceptional bandwidth while maintaining backward compatibility with PCIe 3.0.
- Hybrid port configuration with 4 external ports (SFF8644) and 4 internal ports (SFF8643) for versatile storage connectivity.
- Advanced Data Streaming (ADS) Technology providing controlled acceleration for smooth high-performance data streaming.
- Low-profile form factor with included brackets for installation in a variety of server chassis.
- Comprehensive driver support for Windows, Linux, VMware, FreeBSD, illumos, and macOS operating systems.
- NUMA support for optimized performance in high-performance multiprocessor applications.
- WriteStop technology available for specialized data security applications for OEMs.
- Support for SAS tape devices and transport layer retries (TLR) for robust error handling.
- Extensive cable management and reporting capabilities for simplified infrastructure management.
- Supports cable lengths up to 1m (SATA), 10m at 12Gb (passive copper), and 100m (active optical).
- ConfigTool and vConfigTool utilities for intuitive management, monitoring, and configuration.
- Scriptable Command Line Interface (CLI) for advanced functionality and automation.
- External locate LED on bracket for easy identification in server racks.
- Onboard temperature monitoring for enhanced reliability.
- RoHS compliant design meeting environmental standards.
- Three-year standard product warranty for peace of mind.
ATTO ExpressSAS H1244GT – Technical Specifications
| Model | ATTO ExpressSAS H1244GT |
| Part Number | ESAH-1244-GT0 |
| Form Factor | Low profile PCIe |
| Dimensions (Length x Height) | 6.600" x 2.713" |
| Host Interface | x8 PCI Express 4.0 |
| Host Interface Compatibility | Backward compatible with PCIe 3.0 |
| SAS/SATA Interface Speed | 12Gb/s |
| SAS/SATA Compatibility | Backward compatible with 6Gb/s and 3Gb/s |
| External Ports | 4 ports via 1 Mini SAS HD (x4) SFF 8644 connector |
| Internal Ports | 4 ports via 1 Mini SAS HD (x4) SFF 8643 connector |
| Maximum Throughput | 1,200 MB/s per port |
| Maximum IOPS | Over 1 million sustained |
| Power Consumption | 6.5W |
| Operating Temperature | 0-55°C |
| Operating Humidity | 10-90% non-condensing |
| Storage Temperature | -40°-70°C |
| Storage Humidity | 5-95% non-condensing |
| Airflow Requirements | 100 lf/m (min) recommended |
| Operating Systems Supported | macOS, Windows, Linux, VMware, FreeBSD, illumos |
| Warranty | Three-year standard product warranty |
| Regulatory Compliance | RoHS compliant |
| Cable Support | Up to 1m (SATA), 10m at 12Gb (passive copper), 100m (active optical) |
| Advanced Features | Advanced Data Streaming (ADS) Technology, NUMA support, WriteStop technology |
| Management Software | ATTO ConfigTool, vConfigTool, Command Line Interface (CLI) |
| Package Contents | ATTO ExpressSAS SAS/SATA adapter, low profile bracket |
| Recommended Applications | Enterprise data centers, cloud computing, digital forensics, database applications, video on demand, broadcast, financial trading systems |
ATTO Technology Delivery Information
Generally, next working day delivery services (UK Mainland) are available on standard ATTO Technology Delivery orders placed before 2 pm (subject to stock availability).
Non-timed deliveries should be delivered between 9 am and 6 pm.
Orders placed after 2 pm on Fridays and weekends will be processed as normal the following Monday.
Orders placed on Bank Holidays will be processed the next working day.
If urgent, please call one of our helpful account managers so they may double check everything for you, enabling you to place your order with confidence.
Please note: these product details are for guide purposes only, and may contain errors.
We always recommend double-checking the product specs and features on the the manufacturer website, or contact us if unsure before ordering.