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Head-to-head · WAN Optimization Software

Riverbed SteelHead vs Comtech FX Series WAN Optimization

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Riverbed SteelHead #1 in WAN Optimization Software 9.4/10 Pricing on request ✓ 5 of 5 features Visit Riverbed
Comtech FX Series WAN Optimization #3 in WAN Optimization Software 9.0/10 Pricing on request ✓ 4 of 5 features Visit Comtech

Riverbed SteelHead leads on 1 check, Comtech FX Series WAN Optimization on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreRiverbed SteelHead · 9.4/10
  • Most featuresRiverbed SteelHead · 5 of 5

Riverbed SteelHead scores higher on our rubric for wan optimization software: 9.4 against 9.0 out of 10; our editors rank them #1 and #3.

Riverbed SteelHead offers cloud workload support; Comtech FX Series WAN Optimization doesn't.

Riverbed SteelHead is the better fit for enterprise-wide WAN optimization. Comtech FX Series WAN Optimization is the better fit for satellite and high-latency links.

  • Riverbed SteelHead fits best

    Enterprise-wide WAN optimization

  • Comtech FX Series WAN Optimization fits best

    Satellite and high-latency links

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Riverbed SteelHead 9.4/10 Visit ↗ Comtech FX Series WAN Optimization 9.0/10 Visit ↗
At a glance
Editor score 9.4 9.0
Ranking #1 in WAN Optimization Software #3 in WAN Optimization Software
Best for Enterprise-wide WAN optimization Satellite and high-latency links
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Cloud, Self-hosted Self-hosted
Support Docs Email
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Riverbed SteelHead 5/5 · Comtech FX Series WAN Optimization 4/5
Application acceleration ✓ ✓
Data deduplication ✓ ✓
Traffic compression ✓ ✓
TCP optimization ✓ ✓
Cloud workload support ✓ (best) —
Specs
Deployment model Hybrid Hybrid
Our review
Pros
  • Combines data reduction, compression, TCP, and application acceleration
  • Supports AWS, Microsoft Azure, Microsoft 365, and major enterprise workloads
  • Adds QoS, secure transport, and path selection for hybrid networking
  • Deep satellite-link optimization with PEP, TCP, and FTP acceleration
  • QoS, compression, caching, bonding, and load balancing in one family
  • Supports IPv4/IPv6, VLAN, MPLS, GRE, GTP, GUI, CLI, and SNMPv3
Cons
  • Pricing requires contact with Riverbed sales channels
  • Broad capabilities may exceed the needs of narrow-use deployments
  • Not offered as an open-source product
  • Pricing is quote-based and requires contacting Comtech
  • Self-hosted deployment may not suit teams seeking a managed service
  • Focused on WAN-link acceleration rather than broad cloud workload support
Our verdict

Riverbed SteelHead is a WAN optimization and application acceleration product for organizations operating across data centers, branch offices, cloud networks, and distributed workforces. It is designed to reduce transferred data and…

Read the review →

Comtech FX Series WAN Optimization is a network acceleration appliance family for satellite service providers, internet service providers, mobile network operators, communication service providers, and organizations using satellite…

Read the review →
  1. Riverbed SteelHeadWAN Optimization Software 9.4Pricing on request
  2. Comtech FX Series WAN OptimizationWAN Optimization Software 9.0Pricing on request

Strengths and trade-offs

  • Riverbed SteelHead — where it wins

    • Combines data reduction, compression, TCP, and application acceleration
    • Supports AWS, Microsoft Azure, Microsoft 365, and major enterprise workloads
    • Adds QoS, secure transport, and path selection for hybrid networking

    Where it doesn't

    • Pricing requires contact with Riverbed sales channels
    • Broad capabilities may exceed the needs of narrow-use deployments
    • Not offered as an open-source product

  • Comtech FX Series WAN Optimization — where it wins

    • Deep satellite-link optimization with PEP, TCP, and FTP acceleration
    • QoS, compression, caching, bonding, and load balancing in one family
    • Supports IPv4/IPv6, VLAN, MPLS, GRE, GTP, GUI, CLI, and SNMPv3

    Where it doesn't

    • Pricing is quote-based and requires contacting Comtech
    • Self-hosted deployment may not suit teams seeking a managed service
    • Focused on WAN-link acceleration rather than broad cloud workload support
  • Riverbed SteelHead9.4/10 · Pricing on request

    A broad hybrid WAN optimization suite for distributed enterprise environments.

    Visit RiverbedFull verdict →
  • Comtech FX Series WAN Optimization9.0/10 · Pricing on request

    A specialized WAN optimization appliance family for satellite and high-latency links.

    Visit ComtechFull verdict →

More comparisons

All WAN optimization software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update