Ruijie RG-S6990-128QC2XS 128×400GE QSFP112 AIGC Data Center Switch
Ruijie RG-S6990-128QC2XS Modular Data Center Core Switch
The Ruijie RG-S6990-128QC2XS is a next-generation, ultra-high-performance modular data center core switch, purpose-built for cloud-scale data centers, carrier networks, and large enterprise backbones.
Equipped with 128 × 100GE QSFP28 ports and 2 × 400GE QSFP-DD ports, this switch delivers massive switching capacity and flexibility for scalable, high-density network environments.
With full Layer 2/3 protocol support, rich virtualization features, and advanced reliability mechanisms, the NS-S6990-128QC2XS sets a new standard for performance, availability, and future-proof design in modern networking infrastructure.
Overview
Highlights
-
High-Density Port Configuration: Offers 128 × 100GE QSFP28 and 2 × 400GE QSFP-DD ports, enabling exceptional bandwidth aggregation and spine-core scalability.
-
Massive Switching Capacity: Delivers a switching capacity of up to 25.6 Tbps, supporting full line-rate forwarding on all ports simultaneously.
-
400G-Ready Architecture: Provides native 400GE support for next-gen data center uplinks and interconnects.
-
Advanced Layer 2/3 Support: Supports BGP, OSPF, IS-IS, MPLS, and Segment Routing for carrier-grade routing and interoperability.
-
Cloud Networking Features: Fully supports VXLAN, EVPN, and virtualization technologies for flexible, multi-tenant cloud environments.
-
High Availability: Features redundant control planes, hot-swappable line cards and power modules, and ISSU (In-Service Software Upgrade) for zero-disruption operations.
-
Comprehensive Security: Equipped with ACLs, control plane protection, ARP inspection, and MAC security for robust access and data protection.
-
Energy-Efficient & Silent: Intelligent fan speed adjustment and low-power optical modules reduce operating costs and noise levels.
Recommended Accessories
| Product Model | Category | Description |
|---|---|---|
| QSFP-100G-LR4 | Optical Module | 100GBASE-LR4 QSFP28, 1310nm, single-mode fiber, 10km |
| QSFP-100G-ER4 | Optical Module | 100GBASE-ER4 QSFP28, 1550nm, single-mode fiber, 40km |
| QSFP-DD-400G-LR8 | Optical Module | 400GBASE-LR8 QSFP-DD, 1310nm, single-mode fiber, 10km |
| QSFP-DD-400G-DR4 | Optical Module | 400GBASE-DR4 QSFP-DD, single-mode fiber, 500m |
| CAB-QSFP28-QSFP28 | Direct Attach | 100G DAC cable, QSFP28 to QSFP28, 1m/3m/5m |
| CAB-QSFP-DD-QSFP-DD | Direct Attach | 400G DAC cable, QSFP-DD to QSFP-DD, 1m/3m |
Comparison with Similar Core Switches
| Feature | RG-S6990-128QC2XS | RG-S6980-64QC | RG-S6510-48GT4XS |
|---|---|---|---|
| 100GE Ports | 128 × QSFP28 | 64 × QSFP28 | — |
| 400GE Ports | 2 × QSFP-DD | None | None |
| Switching Capacity | 25.6 Tbps | 12.8 Tbps | 176 Gbps |
| Modular Design | Yes (Chassis) | Fixed | Fixed |
| Cloud Virtualization | VXLAN, EVPN | VXLAN | — |
| Use Case | Data Center Core | Aggregation/Core | Access Layer |
Specifications
| Parameter | Specification |
|---|---|
| Model | RG-S6990-128QC2XS |
| Port Configuration | 128 × 100GE QSFP28, 2 × 400GE QSFP-DD |
| Switching Capacity | Up to 25.6 Tbps |
| Forwarding Rate | Up to 19,048 Mpps |
| Routing Protocols | Static, OSPF, BGP, IS-IS, MPLS, Segment Routing |
| Virtualization | VXLAN, EVPN, VRF, GRE tunnels |
| MAC Address Table | Up to 512K entries |
| Jumbo Frame Support | Up to 9600 bytes |
| Security Features | ACLs, port security, ARP inspection, CP protection |
| High Availability | Hot-swappable components, ISSU, redundant fabrics |
| Management | SNMP v1/v2/v3, CLI, NETCONF, RESTful API, Telemetry |
| Operating Temperature | 0°C to 45°C (32°F to 113°F) |
| Dimensions (W×D×H) | 442 mm × 600 mm × 133 mm |
| Weight | ≤ 28 kg |
| Power Redundancy | Dual hot-swappable power modules |
| Warranty | Limited lifetime warranty |
More Details
Quality Certifications
Warranty
100% Low Price Guarantee
Network-switch.com provides high-quality products at low wholesale prices
100% Quality Assurance
All items are ORIGINAL and GENUINE only.
Item conditions are "New Sealed". They are fully tested by RCNP Engineers.
Free Technical Support
Our FREE Expert Consultancy Support is over the phone, by chat, by email or by login remotely.
100% Money Back Guarantee
You can contact our customer service team to exchange or return any product that you bought from us.
Flexible Secure Payment & Shipment
Verified authorization: Mcafee Secure, VeriSign Secured
Return Material Authorization (RMA) Process
Standard Warranty Policy
Original New Sealed Enterprise Hardware: 3 Years
Original New Sealed Consumer Devices: 1 Year
The Support Contacts
If your Ruijie products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Ruijie RG-S6990-128QC2XS 128×400GE QSFP112 AIGC Data Center Switch
Ruijie RG-S6990-128QC2XS 128×400GE QSFP112 AIGC Data Center Switch
Ruijie RG-S6990-128QC2XS Modular Data Center Core Switch
The Ruijie RG-S6990-128QC2XS is a next-generation, ultra-high-performance modular data center core switch, purpose-built for cloud-scale data centers, carrier networks, and large enterprise backbones.
Equipped with 128 × 100GE QSFP28 ports and 2 × 400GE QSFP-DD ports, this switch delivers massive switching capacity and flexibility for scalable, high-density network environments.
With full Layer 2/3 protocol support, rich virtualization features, and advanced reliability mechanisms, the NS-S6990-128QC2XS sets a new standard for performance, availability, and future-proof design in modern networking infrastructure.
Overview
Highlights
-
High-Density Port Configuration: Offers 128 × 100GE QSFP28 and 2 × 400GE QSFP-DD ports, enabling exceptional bandwidth aggregation and spine-core scalability.
-
Massive Switching Capacity: Delivers a switching capacity of up to 25.6 Tbps, supporting full line-rate forwarding on all ports simultaneously.
-
400G-Ready Architecture: Provides native 400GE support for next-gen data center uplinks and interconnects.
-
Advanced Layer 2/3 Support: Supports BGP, OSPF, IS-IS, MPLS, and Segment Routing for carrier-grade routing and interoperability.
-
Cloud Networking Features: Fully supports VXLAN, EVPN, and virtualization technologies for flexible, multi-tenant cloud environments.
-
High Availability: Features redundant control planes, hot-swappable line cards and power modules, and ISSU (In-Service Software Upgrade) for zero-disruption operations.
-
Comprehensive Security: Equipped with ACLs, control plane protection, ARP inspection, and MAC security for robust access and data protection.
-
Energy-Efficient & Silent: Intelligent fan speed adjustment and low-power optical modules reduce operating costs and noise levels.
Recommended Accessories
| Product Model | Category | Description |
|---|---|---|
| QSFP-100G-LR4 | Optical Module | 100GBASE-LR4 QSFP28, 1310nm, single-mode fiber, 10km |
| QSFP-100G-ER4 | Optical Module | 100GBASE-ER4 QSFP28, 1550nm, single-mode fiber, 40km |
| QSFP-DD-400G-LR8 | Optical Module | 400GBASE-LR8 QSFP-DD, 1310nm, single-mode fiber, 10km |
| QSFP-DD-400G-DR4 | Optical Module | 400GBASE-DR4 QSFP-DD, single-mode fiber, 500m |
| CAB-QSFP28-QSFP28 | Direct Attach | 100G DAC cable, QSFP28 to QSFP28, 1m/3m/5m |
| CAB-QSFP-DD-QSFP-DD | Direct Attach | 400G DAC cable, QSFP-DD to QSFP-DD, 1m/3m |
Comparison with Similar Core Switches
| Feature | RG-S6990-128QC2XS | RG-S6980-64QC | RG-S6510-48GT4XS |
|---|---|---|---|
| 100GE Ports | 128 × QSFP28 | 64 × QSFP28 | — |
| 400GE Ports | 2 × QSFP-DD | None | None |
| Switching Capacity | 25.6 Tbps | 12.8 Tbps | 176 Gbps |
| Modular Design | Yes (Chassis) | Fixed | Fixed |
| Cloud Virtualization | VXLAN, EVPN | VXLAN | — |
| Use Case | Data Center Core | Aggregation/Core | Access Layer |
Specifications
| Parameter | Specification |
|---|---|
| Model | RG-S6990-128QC2XS |
| Port Configuration | 128 × 100GE QSFP28, 2 × 400GE QSFP-DD |
| Switching Capacity | Up to 25.6 Tbps |
| Forwarding Rate | Up to 19,048 Mpps |
| Routing Protocols | Static, OSPF, BGP, IS-IS, MPLS, Segment Routing |
| Virtualization | VXLAN, EVPN, VRF, GRE tunnels |
| MAC Address Table | Up to 512K entries |
| Jumbo Frame Support | Up to 9600 bytes |
| Security Features | ACLs, port security, ARP inspection, CP protection |
| High Availability | Hot-swappable components, ISSU, redundant fabrics |
| Management | SNMP v1/v2/v3, CLI, NETCONF, RESTful API, Telemetry |
| Operating Temperature | 0°C to 45°C (32°F to 113°F) |
| Dimensions (W×D×H) | 442 mm × 600 mm × 133 mm |
| Weight | ≤ 28 kg |
| Power Redundancy | Dual hot-swappable power modules |
| Warranty | Limited lifetime warranty |
More Details
Quality Certifications
Warranty
100% Low Price Guarantee
Network-switch.com provides high-quality products at low wholesale prices
100% Quality Assurance
All items are ORIGINAL and GENUINE only.
Item conditions are "New Sealed". They are fully tested by RCNP Engineers.
Free Technical Support
Our FREE Expert Consultancy Support is over the phone, by chat, by email or by login remotely.
100% Money Back Guarantee
You can contact our customer service team to exchange or return any product that you bought from us.
Flexible Secure Payment & Shipment
Verified authorization: Mcafee Secure, VeriSign Secured
Return Material Authorization (RMA) Process
Standard Warranty Policy
Original New Sealed Enterprise Hardware: 3 Years
Original New Sealed Consumer Devices: 1 Year
The Support Contacts
If your Ruijie products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Ruijie RG-S6990-128QC2XS Modular Data Center Core Switch
The Ruijie RG-S6990-128QC2XS is a next-generation, ultra-high-performance modular data center core switch, purpose-built for cloud-scale data centers, carrier networks, and large enterprise backbones.
Equipped with 128 × 100GE QSFP28 ports and 2 × 400GE QSFP-DD ports, this switch delivers massive switching capacity and flexibility for scalable, high-density network environments.
With full Layer 2/3 protocol support, rich virtualization features, and advanced reliability mechanisms, the NS-S6990-128QC2XS sets a new standard for performance, availability, and future-proof design in modern networking infrastructure.
Overview
Highlights
-
High-Density Port Configuration: Offers 128 × 100GE QSFP28 and 2 × 400GE QSFP-DD ports, enabling exceptional bandwidth aggregation and spine-core scalability.
-
Massive Switching Capacity: Delivers a switching capacity of up to 25.6 Tbps, supporting full line-rate forwarding on all ports simultaneously.
-
400G-Ready Architecture: Provides native 400GE support for next-gen data center uplinks and interconnects.
-
Advanced Layer 2/3 Support: Supports BGP, OSPF, IS-IS, MPLS, and Segment Routing for carrier-grade routing and interoperability.
-
Cloud Networking Features: Fully supports VXLAN, EVPN, and virtualization technologies for flexible, multi-tenant cloud environments.
-
High Availability: Features redundant control planes, hot-swappable line cards and power modules, and ISSU (In-Service Software Upgrade) for zero-disruption operations.
-
Comprehensive Security: Equipped with ACLs, control plane protection, ARP inspection, and MAC security for robust access and data protection.
-
Energy-Efficient & Silent: Intelligent fan speed adjustment and low-power optical modules reduce operating costs and noise levels.
Recommended Accessories
| Product Model | Category | Description |
|---|---|---|
| QSFP-100G-LR4 | Optical Module | 100GBASE-LR4 QSFP28, 1310nm, single-mode fiber, 10km |
| QSFP-100G-ER4 | Optical Module | 100GBASE-ER4 QSFP28, 1550nm, single-mode fiber, 40km |
| QSFP-DD-400G-LR8 | Optical Module | 400GBASE-LR8 QSFP-DD, 1310nm, single-mode fiber, 10km |
| QSFP-DD-400G-DR4 | Optical Module | 400GBASE-DR4 QSFP-DD, single-mode fiber, 500m |
| CAB-QSFP28-QSFP28 | Direct Attach | 100G DAC cable, QSFP28 to QSFP28, 1m/3m/5m |
| CAB-QSFP-DD-QSFP-DD | Direct Attach | 400G DAC cable, QSFP-DD to QSFP-DD, 1m/3m |
Comparison with Similar Core Switches
| Feature | RG-S6990-128QC2XS | RG-S6980-64QC | RG-S6510-48GT4XS |
|---|---|---|---|
| 100GE Ports | 128 × QSFP28 | 64 × QSFP28 | — |
| 400GE Ports | 2 × QSFP-DD | None | None |
| Switching Capacity | 25.6 Tbps | 12.8 Tbps | 176 Gbps |
| Modular Design | Yes (Chassis) | Fixed | Fixed |
| Cloud Virtualization | VXLAN, EVPN | VXLAN | — |
| Use Case | Data Center Core | Aggregation/Core | Access Layer |
Specifications
| Parameter | Specification |
|---|---|
| Model | RG-S6990-128QC2XS |
| Port Configuration | 128 × 100GE QSFP28, 2 × 400GE QSFP-DD |
| Switching Capacity | Up to 25.6 Tbps |
| Forwarding Rate | Up to 19,048 Mpps |
| Routing Protocols | Static, OSPF, BGP, IS-IS, MPLS, Segment Routing |
| Virtualization | VXLAN, EVPN, VRF, GRE tunnels |
| MAC Address Table | Up to 512K entries |
| Jumbo Frame Support | Up to 9600 bytes |
| Security Features | ACLs, port security, ARP inspection, CP protection |
| High Availability | Hot-swappable components, ISSU, redundant fabrics |
| Management | SNMP v1/v2/v3, CLI, NETCONF, RESTful API, Telemetry |
| Operating Temperature | 0°C to 45°C (32°F to 113°F) |
| Dimensions (W×D×H) | 442 mm × 600 mm × 133 mm |
| Weight | ≤ 28 kg |
| Power Redundancy | Dual hot-swappable power modules |
| Warranty | Limited lifetime warranty |
More Details
Quality Certifications
Warranty
100% Low Price Guarantee
Network-switch.com provides high-quality products at low wholesale prices
100% Quality Assurance
All items are ORIGINAL and GENUINE only.
Item conditions are "New Sealed". They are fully tested by RCNP Engineers.
Free Technical Support
Our FREE Expert Consultancy Support is over the phone, by chat, by email or by login remotely.
100% Money Back Guarantee
You can contact our customer service team to exchange or return any product that you bought from us.
Flexible Secure Payment & Shipment
Verified authorization: Mcafee Secure, VeriSign Secured
Return Material Authorization (RMA) Process
Standard Warranty Policy
Original New Sealed Enterprise Hardware: 3 Years
Original New Sealed Consumer Devices: 1 Year
The Support Contacts
If your Ruijie products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.
