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Dell Brocade G620, G630, G720 & G730: Next‑Generation SAN Fibre Channel Switches
KeywordsDell Brocade G620, G630, G720, G730, new generation switches, SAN fiber channel switch, high‑performance network, enterprise storage solutions
Brocade G620, G630, G720, G730
DescriptionDell’s range of **Brocade Gen‑6 and Gen‑7 Fibre Channel switches**—including the G620, G630, G720, and G730 series—offers enterprise-grade SAN connectivity with speeds ranging from 32 Gb/s to 64 Gb/s. These switches are engineered to deliver ultra-low latency, high fabric scalability, and robust performance for modern data center storage environments.
The **G620** and **G630** are Gen‑6 (32 Gb/s) switches—the G620 supports up to 48 SFP+ ports plus 4 QSFP long‑reach ports, while the G630 supports up to 96 SFP+ and 8 QSFP ports, ideal for medium to large SAN fabrics .
The **G720** and **G730** are Gen‑7 (64 Gb/s) models delivering higher-density port configurations—up to 48 SFP‑DD or 128 SFP‑DD ports respectively—supporting next-gen NVMe-ready SAN fabrics.
These switches support enterprise features such as port-on-demand licensing, ISL trunking, dynamic path selection, and Fabric OS-managed zoning. They are certified to support up to thousands of active nodes and dozens of hops in single Brocade Fabric OS SAN architectures .
Key Features- G620 (Gen 6, 32 Gb/s): up to 48 SFP+ ports + 4 QSFP (32‑Gb capable) in a 1U chassis with <700 ns latency .
- G630 (Gen 6): up to 96 SFP+ + 8 QSFP ports supporting large-scale SAN fabrics (active nodes, multi-hop certified).
- G720 (Gen 7, 64 Gb/s): 56×64 Gb/s ports in 1U design with lower latency and high bandwidth (~8.2 Tb/s fabric throughput).
- G730 (Gen 7): up to 128×64 Gb/s SFP-DD ports with ~8.192 Tb/s aggregate bandwidth and support for NVMe fabrics .
- Port‑on‑Demand scaling allows purchase of base switch and activation of additional port capacity via license key—no hardware change needed .
- Advanced fabric features: ISL trunking, Quality of Service (QoS), zoning, NPIV, access gateway mode, Fabric Vision diagnostics.
- Certified for large SAN fabrics — up to thousands of nodes and more than 50 inter-switch hops per Fabric OS certification.
| Model | Max Ports | Port Speed | Form Factor | Fabric Bandwidth |
|---|---|---|---|---|
| G620 | 48 SFP+ + 4 QSFP | 32 Gb/s per port | 1U rack | Up to 32 ports active via PoD licensing |
| G630 | 96 SFP+ + 8 QSFP | 32 Gb/s per port | 1U rack | Large‑scale SAN fabrics |
| G720 | 56 SFP‑DD | 64 Gb/s per port | 1U rack | Approx. 8.2 Tb/s |
| G730 | 128 SFP‑DD | 64 Gb/s per port | 2U rack | ~8.192 Tb/s |
Compatible with Dell EMC SAN fabrics using Brocade switch architecture. All models support auto-negotiation of Fibre Channel speeds (4/8/16/32/64 Gb/s depending on model), Brocade Fabric OS features, and seamless integration with Dell PowerVault, Unity, XtremIO, and VMware storage stacks .
Usage Scenarios
The **G620** and **G630** are ideal for medium-size enterprise SAN deployments, virtualization hosts, and backup fabrics. Their port-on-demand licensing allows flexible deployment starting from 8 ports up to full capacity.
The **G720** and **G730** bring ultra-fast flash and NVMe storage acceleration to modern data centers, supporting high-throughput workloads, low-latency replication, and high-performance computing fabrics.
All models support redundant power supplies and shared memory non-blocking architecture, making them suitable for mission-critical storage networks in healthcare, finance, media, and higher education sectors.
Frequently Asked QuestionsQ1: What’s the difference between Gen 6 and Gen 7 switches?
Gen 6 (G620/G630) supports 32 Gb/s per port, while Gen 7 (G720/G730) delivers 64 Gb/s ports, higher aggregate bandwidth (~8 Tb/s) and NVMe-ready performance improvements .
Q2: How does Port‑on‑Demand licensing work?
You can purchase a base number of ports (e.g., 8) and unlock more via software license keys in increments—scaling up to full port count without changing hardware.
Q3: What fabric scale is supported?
These switches support certified SAN fabrics up to ~4,000–6,000 active nodes and about 56 inter-switch hops, depending on model and firmware version.
Q4: Which ASIC generation does each model use?
G620/G630 use Condor4 (Gen 6 ASIC), while G720/G730 use Condor5/GoldenEye5 (Gen 7 ASIC) delivering 64 Gb/s speeds with flash-optimized architecture.
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