The Lenovo RackSwitch™ G7028 is an inexpensive, entry-level Layer 2 1/10 Gb Ethernet switch that is designed for the data center. Data center customers continue to deploy applications by using 1 GbE networking switches while 10 GbE continues to grow for customer solutions that require greater I/O bandwidth. The RackSwitch G7028 is an ideal solution for data center customers who need an economical 1 Gb and 10 Gb connectivity solution.
The RackSwitch G7028 is a top-of-rack data center switch that delivers excellent non-blocking, wire speed performance at an attractive price point. It supports 24x 10/100/1000BASE-T RJ-45 ports and four 10 Gigabit Ethernet SFP+ ports standard, while typically using only 45 watts of power. The RackSwitch G7028 is also designed with rear-to-front airflow, which allows for flexible mounting of the switch in a rack cabinet and provides convenient cable management and significant savings in cooling costs.
The RackSwitch G7028 switch is considered particularly suited for the following customers:
Customers who want to use GbE in their infrastructure (servers and networking)
Customers who are implementing a virtualized environment and require multiple GbE ports
Customers who require investment protection for 10 GbE ports
Customers who want to reduce total cost of ownership (TCO) and improve performance while maintaining high levels of availability and security
Customers who want to avoid or minimize oversubscription, which can result in congestion and loss of performance
Customers who want to implement a converged infrastructure with NAS or iSCSI
The G7028 switch offers the following key features and benefits:
Increases network performance
The RackSwitch G7028 provides up to 128 Gbps of switching throughput, supports four SFP+ 10 Gb uplink ports for zero oversubscription, and has a port to port latency of 3.3 microseconds.
Lower power and exceptional cooling
The RackSwitch G7028 typically uses only 45 W of power. Unlike side-cooled switches, which can cause heat recirculation and reliability concerns, the RackSwitch G7028 switch's rear-to-front cooling design reduces data center air conditioning costs by matching airflow to the server��s configuration in the rack.
These switches learn alternative paths automatically and perform faster convergence if there is a link, switch, or power failure. The switch uses technologies, such as Virtual Link Aggregation, L2 trunk failover, and Hot Links.
RackSwitch switches interoperate seamlessly with other vendors' upstream switches."
|Specifications||Aggregated throughput||Up to 128 Gbps|
|Specifications||Compatible/Used for||Lenovo Storage S2200, Lenovo Storage S3200, Lenovo Storwize|
|Specifications||Cooling||Three 2+1 redundant fixed fans. Rear (non-port side) to front (port side) airflow.|
|Specifications||Dimensions||1.7"" H x 17.3"" w x 15.0"" D|
|Specifications||Form factor||1U rack mount|
|Specifications||Hot-swap parts||SFP/SFP+ transceivers, SFP+ DAC cables.|
|Specifications||MAC address forwarding database entries||8,000|
|Specifications||Management interfaces||Industry standard command line interface (isCLI); SNMP v1 and v3|
|Specifications||Management ports||1x 10/100/1000 Mb Ethernet port (RJ-45); 1x RS-232 port (RJ-45); 1x USB port (for additional firmware, log, and configuration files storage)|
|Specifications||Manufacturer's Part Number|
|Specifications||Million packets per second (Mpps)||Up to 96|
|Specifications||Port speeds||1 GbE RJ-45 fixed ports: 10/100/1000 Mbps autosensing, 10 GbE SFP+ transceivers: 10 Gbps, 1/10 GbE SFP+ transceivers: 1 Gbps or 10 Gbps, 1 GbE SFP transceivers: 1 Gbps|
|Specifications||Ports||24x Gigabit Ethernet (GbE) RJ-45 fixed ports, 4x SFP/SFP+ ports|
|Specifications||Power supply||One fixed 90 W AC (100 - 240 V) power supply (IEC 320-C14 connector)|
|Specifications||SFP/SFP+ media types||10 Gb Ethernet SFP+, 1/10 Gb Ethernet SFP+, 1 Gb Ethernet SFP|
|Specifications||Software maintenance||Three-year software support and subscription is included|
|Specifications||Type||Extender (Connection Link)|
|Specifications||VLANs||4,095 (512 active VLANs)|
|Specifications||Warranty||Three-year customer-replaceable unit and onsite limited warranty with 9x5 next business day terms|
|Specifications||Weight||5.3 kg (11.7 lb)|
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