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ATTO ExpressSAS GT Host Bus Adapters are designed to deliver high-performance SAS and SATA connectivity for data-intensive storage environments. Built to support 12Gb/s SAS technology, ExpressSAS GT adapters provide the bandwidth and reliability required for modern enterprise applications including backup, archiving, video production, virtualization, and high-performance computing. By combining PCIe Gen3 host connectivity with advanced SAS architecture, ExpressSAS GT ensures consistent throughput and low latency for demanding workflows.
Engineered for flexibility, ExpressSAS GT adapters support both SAS and SATA drives, enabling integrators to build scalable storage infrastructures using a mix of performance and capacity tiers. With support for large numbers of end devices and compatibility with leading operating systems, these adapters make it easy to deploy and manage external or internal storage arrays. The architecture is optimized to maximize data transfer efficiency while maintaining dependable signal integrity across connected devices.
ATTO Advanced Data Streaming technology helps manage latency and deliver smooth, predictable performance under sustained workloads. Whether supporting streaming media, large dataset transfers, or enterprise backup jobs, ExpressSAS GT adapters are built to keep storage pipelines flowing efficiently. Integrated management tools provide configuration and monitoring capabilities that help administrators maintain peak performance and quickly identify potential issues.
Designed for professional IT and media environments, ExpressSAS GT adapters balance performance, scalability, and reliability. Their robust build quality and enterprise feature set make them well suited for storage expansion, server upgrades, and high-capacity shared storage deployments that demand dependable SAS connectivity.
Features
| Automatic link negotiation: |
| - 12Gb/s, 6Gb/s and 3Gb/s SAS targets |
| - 6Gb/s and 3Gb/s and SATA targets |
| Supports up to 2048 targets |
| Onboard ATTO PowerCenter Pro RAID 0, 1, 1e and 10 included for performance and data protection for Mac, Windows, and Linux |
| Supports Serial SCSI Protocol (SSP), SATA Tunneling Protocol (STP), SMP , SAT and direct attached SATA protocol |
| Supports T10-DIF/PI standards |
| 16MB on-board flash memory to store persistent parameters |
| Wide-port end device support |
| Support for advanced format storage media: 512e, 4Kn |
| Supports ATAPI devices |
| Dual port SAS support for redundant configurations |
| Support for SAS tape devices and transport layer retries (TLR) for error handling |
| Target mode driver development kit available for storage servers, storage systems and appliances |
- Product Identifiers -
MPN: ESAH-1280-GT0- Product Specifications -
| Bus Specifications | x8 PCI Express 4.0 host interface Backward compatible with x8 PCI Express 3.0 host interface PCIe low profile form factor Supports PCI Express Base Spec 4.0 Supports PCI Express CEM Spec 4.0 |
|---|---|
| Connectivity | SFF8644 x4 Mini SAS HD connectors externally SFF8643 x4 Mini SAS HD connectors internally Full cable management and reporting Supports cable lengths up to 1m (SATA), 10m at 12Gb (passive copper) and 100m (active optical) Easy-to-install full height and low profile connection brackets included Designed to support 12Gb/s SAS signaling |
| Boot Support | UEFI v2.3.1 with HII support |
| Reliability | Average 4,500,000 Hours MTBF |
| Operating System Support | Windows® / Windows® Server macOS® SUSE Linux® Enterprise Server (SLES) Red Hat Enterprise Linux (RHEL) Cent OS Fedora Linux VMware ESXi Server® FreeBSD illumos |
| Safety & Environmental Compliance | CE and IEC 62368-1 RoHS Compliant (2011/65/EU) EU (2015/863) EMC Compliance FCC Part 15, Subpart B:2020 (Class A) ICES-003 (Canada) EN55032:2015, CISPR 32:2015 (Class A) EN55035:2017 VCCI 32-1 AS/NZ CISPR32.2015 |
| Operating Temperature | hardware environment: Airflow: 200 lf/m (min) recommended (H12F0 GT, H120F GT); 100 lf/m (min) recommended (H1280 GT, H1208 GT, H1244 GT) Temperature: 0-55° C Humidity: 10 - 90% non-condensing storage environment: Temperature: -40°-70°C Humidity: 5 - 95% non-condensing |
| Dimensions | Low profile: - Length = 6.600” - Height = 2.713” |
| Power | H1280GT - 6.3W H1208GT - 6.6W H12F0GT - 10.3W H120FGT - 10.4W H1244GT - 6.5W |
| Warranty | Three Year (Standard product) |
| ATTO ExpressSAS® | H1280 GT | H12F0 GT | H1208 GT | H120F GT | H1244 GT |
|---|---|---|---|---|---|
| Ports | 8 External | 16 External | 8 Internal | 16 Internal | 4 External, 4 Internal |
| Bus Characteristics | x8 PCIe 4.0 | x8 PCIe 4.0 | x8 PCIe 4.0 | x8 PCIe 4.0 | x8 PCIe 4.0 |
| Connections | 2 Mini SAS HD (x4) SFF 8644 External | 4 Mini SAS HD (x4) SFF 8644 External | 2 Mini SAS HD (x4) SFF 8643 Internal | 4 Mini SAS HD (x4) SFF 8643 Internal | 1 Mini SAS HD (x4) SFF 8644 External; 1 Mini SAS HD (x4) SFF 8643 Internal |
Hassle Free Returns
At Motion Media, our goal is to ensure your complete satisfaction with your purchase. If, for whatever reason, you are dissatisfied with your purchase, you may return it to Motion Media within 30 days. Claims for missing items or items damaged in transit must be received within three business days of receipt of merchandise.
Refunds on returned items will be issued in the same payment form as tendered at the time of purchase. If payment was made by credit card, once we receive the product we will credit your account. Please allow 7-10 days for a credit to appear on your credit card statement. If payment was made by check, please allow 10 business days for a refund check to be issued.
Please read all conditions below. If conditions are not met, Motion Media reserves the right to refuse the return or to charge a restocking fee of up to 25%.
How to return or exchange an item:
- In order to return an item you need to first obtain an RMA (Return Merchandise Authorization) number.
- To request an RMA number, please visit our contact page and send us an email with the request.
- To request an RMA number by phone, call Customer Service at 310-450-4000.
- Place the original package into a shipping carton.
- Include the invoice and the reason for the return. If defective, please specify the defect.
- Please do not place stickers or shipping labels on the original manufacturer's package.
- The RMA number must be clearly written on the outer box. If you received a label in the email, print the label and tape it to the carton.
- Ship via insured ground service with a tracking number. Return shipping charges are the responsibility of the customer. We are not responsible for lost or damaged packages.
- Send pre-authorized returns to:
Motion Media, LLC
Attn: RMA#XXXXX
2875 E. Patrick Lane, Suite O
Las Vegas, NV 89120
- Alternatively, you may return an item at our office at the above location, with an approved RMA.
Rules:
- All returned or exchanged items must be in new condition,
unopened in the original box, and must include all packing material, blank warranty cards, manuals, and all accessories. 15% restocking fee on any opened items. If you are going to return, do not open the box. - 25% restocking fee on LitePanels, Anton Bauer and Sachtler returns.
- Motion Media is not responsible for personal data or items left in returned merchandise.
- Defective items may be repaired or exchanged at our discretion for the same model or manufacturer's equivalent model.
- RMA numbers are valid for 10 days.
- Motion Media is not responsible for any consequential or incidental damage resulting from the sale or use of any merchandise bought from us. We are responsible for the monetary value of the merchandise only.
*No Return/Exchange On:
- No Returns on Blackmagic Design purchases.
- Any Electronically Delivered Software
- 3D Printers & Accessories
- Custom systems built or modified by Motion Media to customer's specifications
- Educational dvd's and books once unwrapped
- Motion Media Gift Cards are redeemable for merchandise only and may not be redeemed for cash.