Product Brief
The Cisco Nexus 9800 Series expands the Nexus 9000 Series portfolio with high-density, high-speed modular switches designed for modern data centers. The N9K-C9808 is a 16-RU modular chassis with 8 line card slots, supporting very high-speed and port-density line cards.
Key features include:
- High Performance: Supports 400GE and 100GE ports, with future scalability to 800GE.
- Scalability: Chassis architecture scales from 57 Tbps to 115 Tbps.
- Efficiency: Built with power-efficient, high-capacity Cisco ASICs.
- Redundancy: Offers control-plane, data-plane, fan-tray, and power-supply redundancy.
Application Scenarios
The N9K-C9808 is ideal for:
- Data Centers: Supports next-generation applications and high-performance compute workloads.
- AI/ML Workloads: Optimized for AI/ML fabrics with dynamic flowlet load balancing and fast job completion times.
- High-Bandwidth Applications: Suitable for environments requiring high-speed, high-capacity switching
Product Specifications
Table 1. Line card specifications
|
Feature |
Nexus 9800 36-port 400G Line Card N9K-X9836DM-A |
Nexus 9800 34-port 100G + 14-port 400G Line Card N9K-X98900CD-A |
|
400G Ports |
36 QSFP-DD |
14 QSFP-DD |
|
100G Ports |
0 |
34 QSFP28 |
|
Bandwidth |
14.4Tbps |
9Tbps |
|
Performance |
9.374 Bpps |
5.858 Bpps |
|
Packet Buffer |
324MB + 24GB |
216MB + 16GB |
|
MACsec |
Yes (all ports) |
Yes (16 QSFP28 ports – top row) |
Table 2. Line cards, fabric modules and supervisor interoperability
|
Nexus 9800 Line Cards and Fabric Modules |
Nexus 9800 8-slot Fabric Module N9K-C9808-FM-A |
Nexus 9800 4-slot Fabric Module N9K-C9804-FM-A |
Nexus 9800 Supervisor N9K-C9800-SUP-A |
|
N9K-X9836DM-A |
Yes |
Yes |
Yes |
|
N9K-X98900CD-A |
Yes |
Yes |
Yes |
|
N9K-C9808-FM-A |
Yes |
No |
Yes |
|
N9K-C9804-FM-A |
No |
Yes |
Yes |
Table 3. Minimum number of fabric modules required for line-rate operation
|
Nexus 9800 Line Cards |
Nexus 9800 8-slot Fabric Module N9K-C9808-FM-A |
Nexus 9800 4-slot Fabric Module N9K-C9804-FM-A |
|
N9K-X9836DM-A |
7 |
7 |
|
N9K-X98900CD-A (400G mode) |
7 |
7 |
|
N9K-X98900CD-A (100G mode) |
4 |
4 |
Table 4. Cisco Nexus 9800 Series chassis specifications
|
Description |
Cisco Nexus 9808 Switch |
Cisco Nexus 9804 Switch |
|
Number of line-card slots |
8 |
4 |
|
Number of fabric-module slots |
8 |
8 |
|
Number of supervisor slots |
2 |
2 |
|
Number of fan trays |
4 |
4 |
|
Number of power-supply trays |
3 |
2 |
|
Number of power supplies |
AC and high-voltage power supplies: 9 (3 per tray) DC power supplies: 12 (4 per tray) |
AC and high-voltage power supplies: 9 (3 per tray) DC power supplies: 12 (4 per tray) |
|
Weight |
Unloaded: 162 lbs (73 kg) Fully loaded: 658 lbs (299 kg) |
Unloaded, 124 lbs (56.36 kg) Fully loaded, 402 lbs (183 kg) |
|
Dimensions |
(H) 28 x (W) 17.45 x (D) 33.73 in. (71.12 x 44.32 x 85.7 cm) |
(H) 17.5 x (W) 17.45 x (D) 33 in. (44.45 x 44.32 x 83.82 cm) |
|
Height |
16 RU |
10 RU |
Table 5. Ordering information
|
Product ID |
Description |
|
N9K-C9808 |
Cisco Nexus 9800 8-slot chassis |
|
N9K-C9800-SUP-A |
Cisco Nexus 9800 supervisor (1st Generation) |
|
N9K-C9808-FM-A |
Cisco Nexus 9800 8-slot chassis fabric module (1st Generation) |
|
N9K-C9808-FAN-A |
Cisco Nexus 9800 8-slot chassis fan tray (1st Generation) |
|
N9K-C9804 |
Cisco Nexus 9800 4-slot chassis |
|
N9K-C9804-FM-A |
Cisco Nexus 9800 4-slot chassis fabric module (1st Generation) |
|
N9K-C9804-FAN-A |
Cisco Nexus 9800 4-slot chassis fan tray (1st Generation) |
|
N9K-X9836DM-A |
Cisco Nexus 9800 36-port 400G line card with MACsec |
|
N9K-X98900CD-A |
Cisco Nexus 9800 14-port 400G + 34-port 100G line card |
|
N9800-HV-TRAY |
Cisco Nexus 9800 power-supply tray for AC and HV power supplies |
|
NXK-HV6.3KW20A-A |
Cisco Nexus 9800 6300W 20A AC and HV power supply |
|
NXK-HV6.3KW30A-A |
Cisco Nexus 9800 6300W 30A AC and HV power supply |
|
N9800-DC-TRAY |
Cisco Nexus 9800 Power Tray for 48V 60A DC Power Supply Cisco Nexus 9800 Power Tray for 48V 60A DC Power Supply |
|
NXK-DC-4.4KW-A |
Cisco Nexus 9800 DC Power Supply Cisco Nexus 9800 DC Power Supply |
|
NXK-HV-BLANK |
Cisco Nexus 9800 AC/HV Power Supply Slot Cove |
|
N9K-C9800-IN-KIT |
Cisco Nexus 9800 installation kit |
|
N9800-ADJ-RAIL |
Cisco Nexus 9800 adjustable-rail kit |
|
N9K-C9808-CM-KIT |
Cisco Nexus 9800 8-slot Chassis Cable Management Kit |
|
N9K-C9808-DF-KIT |
Cisco Nexus 9800 8-slot Chassis Door Kit |
|
N9K-C9808-RMB |
Cisco Nexus 9804 rear-mounting brackets |
|
N9K-C9808-PK-KIT |
Cisco Nexus 9808 Packaging Kit |
|
N9K-C9804-CM-KIT |
Cisco Nexus 9800 4-slot Chassis Cable Management Kit |
|
N9K-C9804-DF-KIT |
Cisco Nexus 9800 4-slot Chassis Door Kit |
|
N9K-C9804-RMB |
Cisco Nexus 9800 4-slot Chassis rear-mounting brackets |
|
N9K-C9804-PK-KIT |
Cisco Nexus 9804 Packaging Kit |
|
N9K-C9808-FM-CV |
Cisco Nexus 9800 8-slot Chassis Fabric Module Slot Cover |
|
N9K-C9804-FM-CV |
Cisco Nexus 9804 Fabric Module Slot Cover |
|
N9K-C9800-SUP-CV |
Cisco Nexus 9800 Supervisor Slot Cover |
|
N9K-X9800-LC-CV |
Cisco Nexus 9800 Line Card Slot Cover |