3GT5N - Dell EMC PowerSwitch Z9100-ON 32-Port 100GbE Switch

Dell EMC PowerSwitch Z9100-ON (3GT5N): 32-port QSFP28 10/25/40/50/100GbE Layer 3 data center switch with 6.4 Tbps switching capacity and OS10 support.

The Dell 3GT5N is the manufacturer part number for the Dell EMC PowerSwitch Z9100-ON, a high-density, high-performance fixed switch purpose-built for data center and high-performance computing environments. It provides flexible port configurations including 32 ports of 100GbE (QSFP28), 64 ports of 50GbE, 32 ports of 40GbE, or 128 ports of 25GbE/10GbE via breakout cabling, plus two additional 10GbE/1GbE SFP+ ports. Leveraging a non-blocking switching architecture, it delivers line-rate Layer 2 and Layer 3 forwarding, supporting advanced features such as VLT, mVLT, VRF-lite, OSPF, BGP, and Open Automation Framework. The switch runs Dell EMC Networking OS9 or OS10 and supports ONIE for alternate network operating systems, making it a flexible, software-defined-ready platform for enterprise and cloud-scale networking deployments.

• Manufacturer: Dell EMC
• Product Family: PowerSwitch Z-Series
• Product Series: Z9100-ON
• Model: Z9100-ON
• Product Type: Layer 3 Managed Ethernet Switch
• Form Factor: 1RU rack-mountable
• Primary Ports: 32 x 100GbE QSFP28 (configurable as 64x50GbE, 32x40GbE, 128x25GbE, or 128x10GbE via breakout)
• Uplink Ports: 2 x 10GbE/1GbE SFP+ ports
• Management Ports: 1 x RJ45 console/RS232 management, 1 x USB 2.0 Type A, 1 x micro USB Type B
• Switching Capacity: 6.4 Tbps (full duplex)
• Forwarding Rate: 4400 Mpps (full duplex)
• Latency: Sub-500ns
• MAC Address Table Size: 136,000 entries
• IPv4 Unicast Routes: 136K
• IPv6 Unicast Routes: 68K
• IPv4 Multicast Routes: 68K
• Packet Buffer: 16MB
• System/CPU Memory: 8GB
• Operating System: Dell EMC Networking OS9 (default) or OS10 Enterprise; supports ONIE for third-party OS
• Power Supply: 2 x redundant, hot-swappable 750W AC PSUs, 100–240 VAC 50/60Hz
• Max Power Consumption: 605 Watts
• Typical Power Consumption: 195 Watts
• Cooling: 5x hot-swappable fan modules, front-to-back or reversed airflow options
• PoE: Not supported
• Dimensions: 1.72"H x 17.1"W x 18"D (1RU)
• Weight: 22 lbs (9.98 kg)
• Operating Temperature: 0°C to 45°C (32°F to 113°F)
• Storage Temperature: -40°C to 70°C (-40°F to 158°F)
• Operating Humidity: 10% to 90% RH, non-condensing
• Certifications: UL/CSA 60950-1, EN 60950-1, IEC 60950-1, FDA 21 CFR 1040.10/1040.11, EU RoHS compliant
• Warranty: Standard Dell warranty; ProSupport options available (3-year warranty common via resellers)

• 32 ports of 100GbE QSFP28 with flexible port configuration options (50/40/25/10GbE)
• Non-blocking switching fabric delivering line-rate L2/L3 performance
• 6.4 Tbps switching capacity and 4400 Mpps forwarding rate
• Sub-500ns latency for high-speed, low-latency data center traffic
• Redundant, hot-swappable power supplies and fan modules for high availability
• Support for Virtual Link Trunking (VLT) and multi-chassis VLT (mVLT)
• VRF-lite for L3 traffic isolation across tenants
• Comprehensive IPv4/IPv6 routing support including OSPF and BGP
• Open Automation Framework for simplified provisioning and management
• ONIE support for zero-touch installation of alternate network operating systems
• Priority-based flow control (PFC), DCBX, and ETS for data center bridging environments
• Jumbo frame support and up to 128 link aggregation groups with sixteen members each

Designed for high-performance data center core, spine, and leaf networking deployments.

• Data center spine/leaf network fabric for high-throughput environments
• Enterprise core switching for large-scale server and storage interconnects
• Cloud infrastructure backbone requiring 100GbE connectivity
• High-performance computing (HPC) cluster networking
• Aggregation switch for virtualized and software-defined data centers
• Network migration path from 10/25/40GbE to 100GbE core
• Multi-tenant environments requiring VRF-lite traffic isolation

• High-density 100GbE ports save valuable rack space
• Non-blocking fabric ensures consistent line-rate performance
• Redundant PSUs and fans improve uptime and reliability
• Flexible OS choice via ONIE for software-defined networking
• Low sub-500ns latency benefits latency-sensitive workloads
• Scalable port speeds ease migration to higher bandwidth

• Form Factor: 1RU rack-mountable
• Dimensions: 1.72"H x 17.1"W x 18"D
• Weight: 22 lbs (9.98 kg)
• Airflow Options: Front-to-back (normal) or back-to-front (reversed) airflow variants available

Per available documentation, this product is validated for use with the following Dell EMC networking components and accessories:

• Dell EMC Networking OS9 operating system
• Dell EMC Networking OS10 Enterprise operating system
• 100GbE QSFP28 to 4x25GbE (SFP28) breakout DAC cables
• 100GbE QSFP28 to QSFP28 active optical and passive DAC cables
• 100GbE QSFP28 to 2x50GbE breakout DAC cables
• 40GbE QSFP+ to QSFP+ active optical and passive DAC cables
• 40GbE QSFP+ to 4xSFP+ breakout passive DAC cables
• Z9100 Cable Breakout Kits (MTP to LC, MMF/SMF variants)
• Dell EMC rail kit (100-566-027) for rack mounting
• Third-party network operating systems via ONIE

Note: Reverse airflow variants (Z9100-ON-RA) require matching fan and PSU airflow direction; in-field airflow changes require full replacement of fan and power modules.

• Dell EMC PowerSwitch Z9100-ON switch unit
• 2 x AC power supply units (750W, redundant, hot-swappable)
• 5 x fan modules pre-installed
• Rail kit (on select reseller bundles)

Q: What product does the Dell MPN 3GT5N correspond to?

A: 3GT5N is the Dell manufacturer part number for the Dell EMC PowerSwitch Z9100-ON, a 32-port 100GbE QSFP28 Layer 3 data center switch, as confirmed by Dell's official spec sheet and multiple authorized resellers.

Q: What is the switching capacity of the 3GT5N (Z9100-ON)?

A: The switch offers a switching capacity of 6.4 Tbps in full duplex mode, as documented in Dell's official spec sheet.

Q: Does the 3GT5N support PoE?

A: No. The Z9100-ON is a high-speed data center switch and does not provide Power over Ethernet (PoE) support.

Q: What operating systems does the Z9100-ON support?

A: It ships with Dell EMC Networking OS9 by default, with OS10 Enterprise available, and it supports ONIE for installing third-party network operating systems.

Q: What is the port flexibility of the 3GT5N switch?

A: The switch provides industry-leading density of either 32 ports of 100GbE, 64 ports of 50GbE, 32 ports of 40GbE, 128 ports of 25GbE or 128 ports of 10GbE, depending on breakout cable configuration.

Q: What is the power consumption of the Dell 3GT5N switch?

A: According to Dell's official spec sheet, the maximum power consumption is 605 Watts, with a typical power consumption of 195 Watts.

Q: What is the physical size and weight of the Z9100-ON switch?

A: The switch has a 1RU form factor measuring 1.72 inches high by 17.1 inches wide by 18 inches deep, and weighs 22 lbs (9.98 kg) according to reseller documentation citing Dell specifications.

Q: Does the 3GT5N support redundant power and cooling?

A: Yes, it includes 2 redundant, hot-swappable AC power supplies and 5 hot-swappable fan modules for high availability in data center deployments.