Network-Switch S6990-128QC2XS 128x400G Fixed Core Switch with 2x10G
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128×400 GbE QSFP112 + 2×10 GbE SFP+ Fixed Core Switch
As a manufacturer alongside leading brands like Cisco, H3C, Huawei, and Ruijie, Network-Switch delivers high-performance data-center and core/aggregation switches under the NS-S6990/6980/6930/6920/6910 series.
These devices match Ruijie’s RG-S6990, RG-S6980, RG-S6930, RG-S6920, and RG-S6910 Series in port density, non-blocking throughput, virtualization (VSU, EVPN-VXLAN), hardware redundancy, and advanced telemetry/management—all under your own branding.
Overview
The NS-S6990-128QC2XS brings ultra-dense 400 GbE fabric to the data center with 128 QSFP112 ports and 2 SFP+ management ports in a 4 RU chassis. It leverages AI-Fabric load balancing (RDLB/GDLB), PFC/ECN for lossless RDMA, and nanosecond-level hardware failover for AIGC and HPC traffic.
Highlights
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102.4 Tbps switching capacity
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21 000 Mpps forwarding rate
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128×100/200/400 GbE QSFP112 & 2×GE/10 GbE SFP+
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2+2 hot-swap PSUs; 4+1 hot-swap fans
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AI-powered telemetry & gRPC for sub-second analytics
Recommended Accessories
| Product Name | Category | Description |
|---|---|---|
| NS-PA1600II-F | AC Power Module | 1 600 W hot-swap PSU (AC/HVDC) |
| FAN80-180F | Fan Module | Hot-swap 4+1 fan redundancy |
| NS-RMK-1U | Rack Mount Kit | 19″ 4 RU mounting brackets |
Compare with Similar Models
| Model | Ports & Uplinks | Switching Cap. | Forwarding Rate | Redundancy Features |
|---|---|---|---|---|
| Ruijie RG-S6990-128QC2XS | 128×400 GbE QSFP112 + 2×10 GbE SFP+ | 102.4 Tbps | 21 000 Mpps | 2+2 PSUs; 4+1 fans |
| NS-S6990-128QC2XS | Same | Same | Same | Same |
| Ruijie RG-S6980-64QC | 64×400 GbE QSFP-DD | 51.2 Tbps | 10 300 Mpps | 2+2 PSUs; 7+1 fans |
| NS-S6980-64QC | Same | Same | Same | Same |
| Ruijie RG-S6980-128DC | 128×200 GbE QSFP56 | 51.2 Tbps | 10 300 Mpps | 2+2 PSUs; 7+1 fans |
| NS-S6980-128DC | Same | Same | Same | Same |
| Ruijie RG-S6930-2C | 2 slots (72×100 GbE or 36×200 GbE each) | 28.8 Tbps | 5 400 Mpps | 2+2 PSUs; 7+1 fans |
| NS-S6930-2C | Same | Same | Same | Same |
| Ruijie RG-S6920-4C | 4 slots (32×100 GbE each; up to 128×100 GbE) | 25.6 Tbps | 8 000 Mpps | 2+2 PSUs; 5+1 fans |
| NS-S6920-4C | Same | Same | Same | Same |
| Ruijie RG-S6910-3C | 3 slots (32×100 GbE each; up to 96×100 GbE) | 19.2 Tbps | 4 000 Mpps | 2+2 PSUs; 5+1 fans |
| NS-S6910-3C | Same | Same | Same | Same |
Specification Summary
| Parameter | Specification |
|---|---|
| Model | NS-S6990-128QC2XS |
| Service Ports | 128×100/200/400 GbE QSFP112; 2×GE/10 GbE SFP+ |
| Switching Capacity | 102.4 Tbps |
| Forwarding Rate | 21 000 Mpps |
| Power Modules | 4 slots, 2+2 redundancy |
| Fan Modules | 5 slots, 4+1 redundancy |
| Dimensions (W×D×H) | 446×800×173.6 mm (4 RU) |
| Weight | 37.6 kg empty / 45 kg full |
| Power Consumption | Max 3 160 W; Typical 2 432 W; Static 433 W |
| Temp & Humidity | 0 °C–40 °C; 10%–90% RH non-condensing |
| Management | CLI, SNMP, Web UI, gRPC, Telemetry |
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- Refund Process: Once we receive your returned item and inspect it, we will process your refund to the original method of payment within 7 business days.
- Refund Conditions: Refunds will be issued for the purchase price of the item, excluding any shipping, handling, or other additional fees. If the product is returned damaged, used, or missing parts, a partial refund may be issued.
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Email: help@network-switch.com
Before returning any products, please contact us to explain the issues you are experiencing. In many cases, we can resolve the problem through technical support, and you won't need to return the product.
If there are irreparable defects in the device, you can return it to us for repair or replacement under our twelve-month warranty. Simply reach out to us, and we will provide you with a return code, our return address, and any additional instructions.
Please do not return any items without first contacting us. We will guide you through the process, including the appropriate shipping methods.