Brocade G-Series G620
The Brocade G620 is a high-density 64-port Gen 6 Fibre Channel SAN switch providing 48 32Gb FC SFP28 ports and 4 128Gb QSFP28 Q-Flex ports in an ultra-dense 1U footprint. It delivers 2 Tb/s throughput and under 700 ns latency, supporting flash storage consolidation and large virtual machine clusters across enterprise fabrics.
Specifications
| Brand | Brocade |
|---|---|
| Family | Brocade G-Series |
| Form factor | 1U |
| Released | Mar 2016 |
| Form factor | 1U rackmount |
| Ports | 48x 32Gb FC SFP28 + 4x 128Gb FC QSFP28 |
| Switching capacity | 2 Tb/s full duplex |
| Latency | < 700 ns locally switched |
Generations
- Previous generation: Brocade 6500 Series 6510
- Next generation: Brocade G-Series G720
Compatible parts
Transceivers
57-1000262-01 Brocade 16Gb Shortwave SFP+ Optical Transceiver
57-1000333-01 Brocade 32Gb Longwave 10km SFP28 Optical Transceiver
57-1000487-01 Brocade 32Gb Shortwave SFP28 Optical Transceiver
Works together
How the Brocade G-Series G620 connects to servers, storage and the network: 1 way, with the parts and products on each path.
Fibre Channel SAN
Match the speed: 16Gb and 32Gb FC HBAs, switches and array ports work together, and each generation also runs one or two speeds below its own (a 32Gb port runs at 16Gb and 8Gb).
Servers
Dell PowerEdge R830 2U rack
HPE Edgeline EL1000 1U converged edge system
HPE Edgeline EL4000 1U converged edge system
HPE Superdome Flex Superdome Flex 5U chassis, 4 sockets each, up to 8 chassis
HPE Synergy 660 Gen10 Compute Module full-height compute module
Dell PowerEdge R230 1U rack
Adapters for the server
540-BCMT Dell QLogic 2772 Dual Port 32Gb Fibre Channel PCIe Adapter
540-BBUU Dell Emulex LPe31002 Dual Port 16Gb Fibre Channel Host Bus Adapter
540-BBUV Dell QLogic 2692 Dual Port 16Gb Fibre Channel Host Bus Adapter
540-BCMS Dell QLogic 2770 Single Port 32Gb Fibre Channel PCIe Adapter
Storage
HPE Alletra 6000 4U rack
Dell Unity XT Unity 300 2U rack
Dell Unity XT Unity 400 2U rack
HPE MSA 1050 2U rack entry SAN
HPE MSA 2050 2U rack enterprise SAN
Lenovo ThinkSystem DS4200 2U rack
Optics
- 57-1000262-01 Brocade 16Gb Shortwave SFP+ Optical Transceiver
- 57-1000333-01 Brocade 32Gb Longwave 10km SFP28 Optical Transceiver
- 57-1000487-01 Brocade 32Gb Shortwave SFP28 Optical Transceiver
Plan and size it
- Draw this setup in the topology planner mrplanb.com
- Add up rack power and space rack-density.com
- Virtualization storage Ledger: scored storage platforms mrplanb.com
- SAN transport and NVMe over FC for backup mrplanb.com
Check compatibility with Brocade
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Brocade has tested with the Brocade G-Series G620.
- Compatibility Brocade interoperability page for the Brocade G-Series G620
- Compatibility Brocade Fibre Channel support and compatibility documents (Broadcom)
- Support Broadcom Support Portal
Equivalent models from other brands
FAQ
What transceivers fit in the Q-Flex ports of the Brocade G620?
The 4 Q-Flex QSFP28 ports support 128Gb parallel FC transceivers for switch ISL trunking or 4x32Gb optical breakout cables.
Does the Brocade G620 support NVMe over Fibre Channel (FC-NVMe)?
Yes, Brocade Fabric OS supports concurrent FCP SCSI and NVMe-FC traffic on all ports without hardware changes.
Buying or selling G620?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Brocade G620 Switch Data Sheet, checked 2026-10-27