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 (xx50 Specs)

Steelhead Model	2050 Series		5050 Series		6050 Series
Configurations	M	H	M	H
Profile	1U		3U		3U
WAN Capacity1	20 Mbps	45 Mbps	90 Mbps	155 Mbps	310 Mbps
WAN Capacity (High- speed)1	20 Mbps	45 Mbps	1 Gbps	1 Gbps	1 Gbps
Optimized TCP Con- nections2	4,000	6,000	9,000	18,000	50,000
Raw Capacity	1 TB	1 TB	2 TB	3 TB	8 TB
Data Store Capacity	400 GB	400 GB	600 GB	800 GB	3.5 TB

Model Specifications

The 20 Series Appliances (xx20 Specs)

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