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N9K-C92348GC-X – 48 Ports – 4 × 25G + 2 × 100G uplinks – DataCenter Switch
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Packaging weight and dimensions included:
| Weight | 18.5 kg |
|---|---|
| Dimensions | 73 × 63 × 20 cm |
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N9K-C92348GC-X Description
The Cisco Nexus N9K-C92348GC-X is a high-density, fixed-configuration data center switch designed for gigabit server access and management network deployments. Equipped with 48 × 100M/1G BASE-T downlink ports, 4 × 1/10/25G SFP28 uplinks, and 2 × 40/100G QSFP28 high-speed uplinks, it delivers up to 0.696 Tbps switching capacity and 517 Mpps forwarding rate.
Built on Cisco Cloud Scale technology and running Cisco NX-OS, the N9K-C92348GC-X provides advanced telemetry, programmability, and automation features, making it an ideal choice for enterprise, service provider, and cloud environments requiring reliable Gigabit Ethernet top-of-rack (ToR) switching.
Product Highlights
Ports
Switching Capacity
Forwarding Rate
Quick Specs
|
Parameter |
Value |
|---|---|
|
Form Factor |
1RU, fixed switch |
|
Downlink Ports |
48 × 100M/1GBASE‑T |
|
Additional Downlinks |
4 × SFP28 (1/10/25G) |
|
Uplinks |
2 × QSFP28 (40/100G) |
|
Switching Capacity |
0.696 Tbps |
|
Forwarding Rate |
> 517 Mpps |
|
Shared Buffer |
40 MB |
|
CPU / Memory / SSD |
4‑core CPU / 8 GB / 16 GB SSD |
|
Management |
1 × RJ‑45 mgmt, 1 × SFP mgmt; 1 × USB; 1 × RS‑232 |
|
Fans |
3 (port‑side intake or exhaust) |
|
PSU Options (up to 2) |
400W AC, 400/350W DC, 350W HVAC/HVDC (bi‑direction) |
|
Typical / Max Power (AC) |
150 W (typ.) / 245 W (max) |
|
Dimensions (H × W × D) |
1.72 × 17.3 × 18.5 in (4.4 × 43.9 × 45.7 cm) |
|
Operating Temp |
0 to 40 °C |
|
MTBF |
474,571 hours |
Key Features
High-density 1GBASE-T access with modern uplinks
Provides 48× copper 100M/1G downlinks plus 4× SFP28 (1/10/25G) and 2× QSFP28 (40/100G) uplinks, enabling smooth migration from legacy Gigabit Ethernet networks to 25/100 Gigabit backbones.
Exceptional switching and forwarding performance
Delivers 0.696 Tbps switching capacity and over 517 Mpps forwarding rate, ensuring wire-speed Layer 2/Layer 3 throughput for high-traffic workloads.
Advanced buffering for bursty traffic
Equipped with 40 MB shared buffer and intelligent congestion management, ideal for handling unpredictable east-west data center traffic and large file transfers.
Flexible deployment in data center and enterprise edge
1RU compact design with port-side intake or exhaust airflow, redundant hot-swappable fans, and dual PSU options for mission-critical environments.
NX-OS programmability and automation
Supports POAP, NX-API, Python scripting, and integration with Ansible, Chef, and Puppet for automated provisioning and configuration in software-defined networking (SDN) setups.
Energy-efficient and low heat output
Typical 150W AC power draw reduces operational costs while maintaining high-density switching, suitable for green data center initiatives and constrained power budgets.
Applications Scenarios
Enterprise data center access and management networks
Perfect for connecting large numbers of 1G servers, management interfaces, or legacy systems while leveraging 25G/100G uplinks to aggregation layers.
High-performance computing (HPC) and big data clusters
Supports heavy east-west traffic patterns with large buffer capacity, ensuring low latency and consistent performance for analytical workloads.
Service provider and campus core migration projects
Enables ISPs, telecom operators, and large campus networks to upgrade backbone speeds without replacing existing copper access infrastructure.
Model Selection Guide N9K-C92348GC-X
- Dense 1G copper access with modern uplinks:
Choose N9K-C92348GC-X when most servers or management switches are still 1GBASE‑T, but you need 25G SFP28 for local break‑out and 100G uplinks to spine/aggregation. Power draw is low (≈150 W typ.), and 40 MB buffer handles bursty east‑west traffic. - All‑fiber 25G access or 100G‑heavy leaf:
If your racks are already 25G fiber to servers and you want more uplink headroom, pick N9K‑C92300YC (48×25G + 18×100G) for higher fabric bandwidth and line‑rate VXLAN routing. - Balanced leaf with mixed uplink options and compact depth:
For mixed QSFP uplink patterns in a 1RU, N9K‑C92160YC‑X is a strong fit: 48×1/10/25G downlinks and flexible 40/100G uplinks with lower typical power and VXLAN routing. - Airflow / aisle planning:
The 92348GC‑X supports port‑side intake or exhaust fan/PSU options. For tight cabinets, Cisco’s N9K‑AIRFLOW‑SLV sleeve (min 636.49 mm, max 748.25 mm rail depth) helps maintain proper cooling alignment.
Nexus 9200 Switches Comparison
|
Key Parameter |
N9K‑C92348GC‑X |
N9K‑C92160YC‑X |
N9K‑C92300YC |
|---|---|---|---|
|
Downlinks |
48× 100M/1GBASE‑T + 4× SFP28 (1/10/25G) |
48× SFP28 (1/10/25G) |
48× SFP28 (1/10/25G) |
|
Uplinks |
2× QSFP28 (40/100G) |
6× QSFP; up to 4×100G |
18× QSFP28 (40/100G) |
|
Switching Capacity |
0.696 Tbps |
3.2 Tbps |
6.0 Tbps |
|
Forwarding (Mpps) |
>517 |
>2.5 bpps |
>4.75 bpps |
|
Shared Buffer |
40 MB |
20 MB |
30 MB |
|
VXLAN Routing |
Not supported (exception) |
Supported (line‑rate) |
Supported (line‑rate) |
|
Fans |
3 (N+1) |
4 (N+1) |
4 (N+1) |
|
Typical Power (AC) |
150 W |
150 W (10G) / 170 W (25G) |
216 W (10G) / 260 W (25G) |
|
Max Power (AC) |
245 W |
475 W |
603 W |
|
Dimensions (H×W×D) |
1.72×17.3×18.5 in |
1.72×17.3×22.5 in |
2.00×17.2×22.3 in |
|
Management |
1×RJ‑45, 1×SFP mgmt; USB; RS‑232 |
Same |
Same |
|
Operating Temp |
0–40 °C |
0–40 °C |
0–40 °C |
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Model | Cisco N9K-C92348GC-X (Nexus 92348GC-X) | Form Factor | 1RU fixed |
| Downlink Ports | 48 × 100M/1GBASE-T | Extra Downlinks | 4 × SFP28 (1/10/25G) |
| Uplinks | 2 × QSFP28 (40/100G) | Switching Capacity | 0.696 Tbps |
| Forwarding Rate | > 517 Mpps | Shared Buffer | 40 MB |
| CPU | 4 cores | System Memory | 8 GB |
| SSD | 16 GB | Management | 1 × RJ-45 mgmt, 1 × SFP mgmt; 1 × USB; 1 × RS-232 |
| Fans | 3, hot-swappable, N+1 | Airflow Options | Port-side intake or exhaust |
| Power Supplies (max 2) | 400W AC; 400/350W DC; 350W HVAC/HVDC (bi-direction) | Redundancy | 1+1 |
| Typical / Max Power (AC) | 150 W / 245 W | Input Voltage (AC) | 100–240 VAC, 50–60 Hz |
| Input Voltage (DC) | –40 to –72 VDC (–48 to –60 VDC nominal) | Input (HVDC) | 240–380 VDC |
| Operating Temperature | 0 to 40°C | Humidity (operating) | 5–85% (non-condensing) |
| Altitude (operating) | 0–4000 m | MTBF | 474,571 hours |
| Dimensions (H×W×D) | 1.72 × 17.3 × 18.5 in (4.4 × 43.9 × 45.7 cm) | Weight (chassis only) | ≈14.12 lb (6.4 kg) |
| Telemetry | SW-based telemetry; supports Tetration export | NX‑OS Features | POAP, NX‑API, Python, patching (per datasheet) |
| Max VLANs | 4096 | Max VRFs (shipping) | 1000 |
| ECMP Paths / Members | 64 paths / 64,000 members | Port Channels | 512 (32 links per PC) |
| RPVST / MST Instances | RPVST 3967 / MST 64 | HSRP Groups | 490 |
| SPAN Sessions | 4 | NAT Entries | 1023 |
| Rack Airflow Sleeve | N9K-AIRFLOW-SLV; rack rail depth min/max supported | Rack Depth (sleeve) | Min 636.49 mm / Max 748.25 mm (for C92348GC-X) |
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Quality Certifications
Customer Reviews
Questions & Answers
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What does N9K-C92348GC-X provide for access layers?
-
How does it compare to C93180YC?
-
Is VXLAN EVPN supported?
-
What about PoE support?
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How do I uplink the C92348GC-X?
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Can it do vPC/MLAG?
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Any QoS considerations?
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What optics/cables are recommended?
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I’m in space! Well, the data is. Good switch! Very shiny!
… (Review: 5 Stars. Portal to the internet opened successfully.)
The throughput is acceptable. You may continue… to sell these.
Port-side exhaust was confirmed before shipping. Thanks for checking.
Using these for management network (OOB). The 100M/1G/10G flexibility is great. Genuine Nexus.