Grandstream GCC6021 IP PBX, Firewall, Router & Switch
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Product Overview
The Grandstream GCC6021 is an enterprise-grade unified communications and networking solution that combines IP PBX, firewall, router, and switch functionality into a single powerful platform. Designed for businesses seeking streamlined network infrastructure, this all-in-one device delivers robust performance with advanced security features and scalable connectivity options.
Key Features & Benefits
- Unified Communications Platform: Integrates VPN router, next-generation firewall (NGFW), IP PBX, and managed switch in one device
- High-Performance Processing: Quad-core CORTEX-A73 processor running at 1.8GHz with 4GB DDR4 memory
- Extensive Network Connectivity: 4x 10 Gigabit SFP+ ports, 8x 2.5 Gigabit ports, and 16x Gigabit Ethernet ports (WAN/LAN configurable)
- Advanced Security: 9Gbps NGFW throughput with deep packet inspection (DPI) and intrusion prevention system (IPS)
- Built-in IP PBX: Supports 50 users and 16 concurrent calls by default with upgrade options available
- Comprehensive PoE Support: 24 total PoE ports (8x 802.3af/at/bt + 16x 802.3af/at) with 370W maximum power output
- Wi-Fi Management: Manages up to 300 Grandstream GWN access points and 1,000 wireless clients
- High Availability: Hot standby failover protection with dedicated HA ports ensures business continuity
- Cloud Management: Remote configuration and monitoring via Grandstream Device Management System (GDMS)
- Flexible Mounting: Desktop or rack-mount installation options included
Streamlined Business Communications
The GCC6021 addresses the complex networking and communications needs of growing businesses by consolidating multiple network functions into a single, manageable device. This convergence eliminates the need for separate routers, firewalls, switches, and PBX systems, reducing hardware costs, simplifying network management, and minimizing potential points of failure. The smart power control feature dynamically allocates PoE to connected devices, ensuring efficient power distribution across IP phones, access points, and surveillance cameras. With 10Gbps router throughput and multi-gigabit connectivity options, this platform is built to handle demanding business applications while maintaining security through its integrated next-generation firewall capabilities.
Technical Specifications
| Manufacturer: | Grandstream |
| Model: | GCC6021 |
| Processor: | Quad-core CORTEX-A73, 1.8GHz |
| Memory & Storage: | 4GB DDR4, 256MB DDR3; 4MB NOR + 32GB eMMC; 8MB NOR + 128MB NAND |
| External Storage: | Optional M.2 SSD support |
| Network Interfaces: | 4x 10 Gigabit SFP+, 8x 2.5 Gigabit, 16x Gigabit Ethernet (Max 5x WAN) |
| Router Throughput: | 10Gbps |
| Firewall Performance: | 9Gbps NGFW Throughput (DPI+IPS) |
| IP PBX Capacity: | 50 users, 16 concurrent calls (expandable) |
| PoE Output: | 8x IEEE 802.3af/at/bt + 16x IEEE 802.3af/at (370W max) |
| Wi-Fi Management: | Up to 300 GWN APs, 1,000 clients |
| Auxiliary Ports: | 1x Console, 1x USB 3.0, 2x HA, 1x MGMT |
| Dimensions (WxDxH): | 17.32" x 11.87" x 1.73" |
| Mounting: | Desktop and rack-mountable |
Included
- 1x GCC6021 unit
- 1x Universal power supply
- 1x Rack mount kit
- 1x Quick installation guide
Why Buy from PC Liquidations
When you choose this Grandstream GCC6021, you're partnering with a trusted technology provider backed by over 30 years of industry experience. Our commitment to quality means every product comes with a warranty for your peace of mind, whether you're equipping a small office or expanding enterprise infrastructure.
With over 20,000 5-star reviews from satisfied customers, we've built our reputation on delivering reliable networking solutions at competitive prices. Our knowledgeable team is ready to assist you in finding the right equipment to meet your specific business requirements. Order today and discover why businesses nationwide trust us for their technology needs.

New Product
These products are brand new and have never been used. They arrive in the original manufacturer packaging in pristine, factory-fresh condition.
GCC6021 IP PBX, Firewall, Technical Specs
| Manufacturer | Grandstream |
|---|---|
| Model | GCC6021 |
| CPU | Quad-core CORTEX-A73, 1.8Ghz |
| Memory & Storage | 4GB DDR4, 256MB DDR3; 4MB Nor + 32GB eMMC; 8MB Nor + 128MB NAND |
| External Storage | Optional, M.2 SSD |
| Network Interfaces | 4x 10 Gigabit SFP+ ports, 8x 2.5 Gigabit ports, 16x Gigabit Ethernet ports (WAN/LAN configurable, Max 5xWAN) |
| Router Throughput | 10Gbps |
| Firewall Performance | 9Gbps NGFW Throughput (DPI+IPS) |
| IP PBX Capacity | 50 users and 16 concurrent calls by default (upgrades available for purchase) |
| PoE Output | 8x PoE out ports supporting IEEE 802.3 af/at/bt, and 16x PoE out ports supporting IEEE 802.3 af/at (Maximum 370W) |
| Wi-Fi | Supports management of up to 300 GWN APs and up to 1000 Clients |
| Auxiliary Ports | 1×CONSOLE, 1×USB 3.0, 2×HA, 1×MGMT |
| Mounting | Desktop and Rack-mountable |
| Special Features | All-in-one UC & Networking convergence (VPN router, NGFW, IP PBX, switch), Hot standby High-Availability, Smart power control for dynamic PoE allocation, Cloud management via GDMS |
| Dimensions (WxDxH) | 17.32" x 11.87" x 1.73" |
| Included | 1x GCC6021 unit 1x Universal Power Supply 1x Rack mount kit 1x Quick Installation Guide |
No-hassle returns. Zero restocking fees.
Wrong item? Changed your mind? Don't need it anymore? We've got you covered.
30-Day Returns
- No restocking fees, ever
- Refund or store credit — your choice
- 30 days from invoice date
- Return in original condition, securely packed
Fast Shipping
- Ships within 2 business days*
- Rush & Saturday delivery available — call us
- Free ground shipping available (continental US orders over $500)
- Overnight delivery available
1-Year Warranty
- Covers defects & functional failures
- Normal business use, from date of purchase
- Batteries: 90 days (consumable)
- Excludes misuse, modification, mishandling
Need help finding the right product?
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*Shipping and delivery on business days. Purchaser is responsible for return shipping costs and insurance. Free/fixed shipping offers exclude palletized items — call for freight rates.


























































