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ISA-3000-4C-K9

The Cisco ISA-3000-4C-K9 is a rugged, industrial-grade security appliance designed for harsh environments, featuring 4 copper Gigabit Ethernet ports and integrated firewall, VPN, and advanced threat defense capabilities—ideal for securing industrial networks.

SKU: ISA-3000-4C-K9 Brand: Product ID: 330374
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Description

The Cisco ISA-3000-4C-K9 is a rugged, DIN rail-mountable industrial security appliance designed for harsh environments and demanding network edge deployments. Built with a fanless, solid-state design, it offers high reliability in extended temperature ranges and industrial conditions. This model features four combo ports (RJ45/SFP), allowing flexible connectivity with both copper and fiber interfaces, and supports up to 1 Gbps throughput. Its compact form factor and passive cooling make it ideal for space-constrained installations in manufacturing, energy, and transportation sectors.

Engineered with Cisco’s IOS software, the ISA-3000-4C-K9 supports advanced firewall capabilities, VPN services, and integrated threat defense to secure critical infrastructure. It includes 4 GB of DRAM and 8 GB of flash memory, with support for external storage via USB. The appliance supports Layer 2 and Layer 3 switching, VLAN segmentation, and secure remote access through IPsec and SSL VPN. With its hardened build and robust feature set, this unit is a dependable choice for buyers seeking reliable used hardware for industrial network security.

Who We Are
 
ROC Telecom is a family-owned, Texas-based company specializing in helping businesses unlock value from their networking and telecom equipment. From routers and switches to optical gear and more, we provide a seamless solution for businesses looking to sell, recover assets responsibly, or buy quality-tested equipment at competitive prices.
 
What We Do
 
We make it easy to:
  • Sell Used Equipment: Get a quick, hassle-free quote and maximize the value of your old IT gear.
  • Buy Certified Networking Equipment: Access affordable, quality-tested equipment from top brands like Cisco, Juniper, Ciena, Fujitsu, Infinera and more.
Why Choose ROC Telecom?
  • Expertise You Can Trust: 15 years of experience in asset recovery and resale.
  • Sustainable IT Solutions: Reduce waste and support environmentally responsible practices.
  • Competitive Pricing: Fair, fast, and accurate valuations for all your equipment.
  • Free Shipping Logistics: Fast, secure, and hassle-free shipping or pickup options for buyers and sellers.
Our Process
  1. Submit a Request: You can use the “Buy” or “Sell” buttons above to get started — or fill out a form, call us at 585-406-1248, or email bailey@roctelecom.com. Whatever’s easiest for you, we’ll make it quick and hassle-free.
  2. Quick Evaluation: We’ll assess your equipment—whether you’re looking to sell it or find the right gear for your needs—and provide a fair offer.
  3. Simple Logistics: Fast, secure, and straightforward shipping or pickup solutions.
  4. Value Delivered: Recover funds from unused equipment or save on quality-tested networking and telecom gear.
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