ATTO
ATTO Technology ExpressSAS H680 Host Bus Adapter
Best high-speed storage adapter for demanding media and IT professionals.
The ATTO Technology ExpressSAS H680 Host Bus Adapter is engineered for high-performance SAS/SATA storage connectivity. It seamlessly integrates into PCIe 2.0 x8 slots, making it ideal for demanding IT infrastructure and media workflows. This adapter supports SAS-2 and SATA protocols, delivering robust data transfer speeds up to 1200 MB/s in full duplex. With eight external SAS ports and ATTO's Advanced Data Streaming technology, it ensures accelerated performance for bandwidth-intensive applications. Its low-profile design and broad OS compatibility enhance its versatility.
$395.00
Owner Satisfaction
4.5
/ 5
Category Rank
198
/ 1154
#198 in Computer Interface Cards & Adapters
Price vs Category Average
-31%
Below average
Host Interface
82.0
/ x PCIe
Who it's for
- Professionals managing high-demand storage arrays
- System administrators requiring reliable 24/7 uptime
- Data managers scaling extensive external storage infrastructure
Who should skip it
- Users deploying modern high-speed SSD arrays
- Budget-conscious buyers comparing total system costs
- Teams needing integrated hardware-based data protection
Performance breakdown
Data Throughput
Delivers consistent high-speed performance for demanding media and storage workflows.
Device Scalability
Supports up to 1024 end-point devices for massive storage expansion needs.
System Compatibility
Seamless integration across Windows, macOS, and Linux operating environments.
Form Factor Efficiency
Low-profile design fits easily into compact server and workstation chassis.
Streaming Stability
Advanced Data Streaming technology prevents bottlenecks during heavy bandwidth usage.
Thermal Management
Passive cooling ensures silent operation without the risk of fan failure.
Key Specs
Host Interface
x8 PCIe 2.0
Data Transfer Rate
600 MB/s per Port
Maximum Throughput
1200 MB/s (Full Duplex)
External Ports
8 x SFF-8088 (via 2 x Mini-SAS x4)
Supported Protocols
SAS-2, SATA III, II, I
Physical Dimensions
2.71 x 6.60 inches
Form Factor
Low-profile Plug-in Card
Device Support
Up to 1024 End-Point Devices
Features
- High-speed SAS/SATA connectivity
- Accelerates data transfers with ADS technology
- Supports SAS-2 and SATA protocols
- Eight external SAS ports for extensive device support
- Compatible with Windows, Mac, and Linux
- Achieves 1200 MB/s full duplex throughput
- Low-profile for flexible installation
- User-friendly management tools
What customers say
Professional users highly value the ATTO H680 Host Bus Adapter for its exceptional performance and rock-solid reliability under demanding data loads. Its sustained throughput is a key differentiator, making it essential for mission-critical storage in fields like media production. Customers consistently praise the stability and quality of ATTO's driver support, particularly in specialized environments. While the hardware is robust and delivers on its promise of high-speed SAS connectivity, the premium price positions it outside casual budgets. Furthermore, the initial setup demands significant technical expertise. Overall, the H680 is regarded as a top-tier solution for users prioritizing peak performance who accept the associated cost and complexity.
Know before you buy
No, this is a non-RAID Host Bus Adapter. It is designed specifically for high-performance SAS/SATA connectivity and does not include onboard RAID processing.
Yes, the H680 features a low-profile design, making it compatible with compact server chassis and workstations that require smaller expansion cards.
The card features two external SFF-8088 Mini-SAS ports. You will need cables that match your specific storage enclosure or drive interface, typically SFF-8088 to SFF-8088 or SFF-8088 to SATA breakout cables.
Yes, the H680 supports both SAS-2 and SATA protocols, allowing you to connect a wide variety of storage devices to your system.
The H680 offers broad compatibility and is supported on Windows Server, macOS, and Linux environments, making it a versatile choice for mixed-OS infrastructures.
The adapter supports up to 1024 end-point devices, provided you are using SAS expanders to manage the connection of multiple drives.
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$395