Large Office / Data Center Models
For your largest offices, corporate headquarters, or your data centers, the Steelhead Larger models provide even greater capacity, plus the redundancy required in a mission-critical technology.
Optional multi-port Ethernet cards enable integration into multi-link or redundant WAN configurations. Clustering with the Interceptor appliance provides additional failover or scaling in extremely large deployments, ensuring that Steelhead appliances can always scale up to meet your application acceleration needs.
These devices contain RAID, triple power supplies, and hot-swappable disk to ensure maximum uptime and rock-solid hardware reliability.
Model Specifications
The 50 Series Appliances
| Steelhead Model | 2050 | |
| Configurations | M | H |
| Profile | 1U | 1U |
| WAN Capacity1 | 20 Mbps | 45 Mbps |
| Optimized TCP Connections | 4000 | 6000 |
| Raw Capacity | 1TB | 1TB |
| Data Store Capacity | 400 GB | 400 GB |
Model Specifications
The 20 Series Appliances
| Steelhead Model | 3020 | 3520 | 5520 | 6020 | 6120 | Clustered2 |
| Profile | 3U | 3U | 3U | 3U | 3U | n x 3U |
| WAN Capacity1 | 20 Mbps | 45 Mbps | 155 Mbps | 310 Mbps | 310 Mbps | 4 Gbps |
| WAN Capacity (High-speed)1 |
20 Mbps | 45 Mbps | 800 Mbps | 800 Mbps | 800 Mbps | - |
| Optimized TCP Connections3 | 3500 | 6000 | 15,000 | 40,000 | 4,000 | 1,000,000 |
| Total Disk | 1.0 TB | 1.5 TB | 1.5 TB |
3.2 TB |
7.0 TB | n x m |
| Data Store Capacity | 250 GB | 512 GB | 700 GB | 1.4 TB |
3.4 TB |
n x m |
| Proxy File Service | • | • | - | - | - | - |
| RAID | • | • | • | • | • | • |
| Triple Power Supplies | • | • | • | • | • | • |
| Hot Swappable Disks | • | • | • | • | • | • |
1 Inbound (WAN to LAN) Steelhead capacity is unrestricted; outbound WAN capacity can be expected up to the amount listed
On the 5520 and 6020 total WAN capacity equals inbound traffic + outbound traffic
2 Any Steelhead model can be clustered
3 With PFS enabled, 2,200 and 3,000 optimized TCP connections for models 3020 and 3520, respectively
