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N3K-C3432D-S
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Nexus 3432D-S switch with 32ports of QSFP-DD
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Name:
N3K-C3432D-S
- Description:
- Nexus 3432D-S switch with 32ports of QSFP-DD
- Rating:
Added to cart 28 times recently
- Availability:
Ready to Ship
- Brand:
- Cisco
- GTIN:
- 889728063678
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 90
- List Price:
$69,052.00
- Price:
$13,097.7081% off
Quantity:
1
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N3K-C3432D-S Overview
N3K-C3432D-S is built with a robust, modular architecture that emphasizes high-performance data processing and flexible power management, supporting both standard AC and redundant power supply options. It features a high port density with fixed Ethernet ports and modular uplink configurations designed to meet the rigorous demands of modern data centers and enterprise networks.
N3K-C3432D-S supports scalable stacking solutions with an impressive switching capacity that can double with stacking, while handling both Layer 2 and Layer 3 functionalities. Its performance-centric design makes it an ideal choice for high-demand cloud applications, enterprise network core, and mission-critical data center deployments.
N3K-C3432D-S price for new stock is $16,853.55, a 75.6% saving from the Cisco list price of $69,052.00. N3K-C3432D-S refurb price is $13,097.70. N3K-C3432D-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N3K-C3432D-S for additional pricing. Browse the full Cisco Nexus 3000 Switches series or explore all Cisco products.
N3K-C3432D-S Specifications
- Product Type
- Switch
- Brand
- Cisco
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 250 W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 32 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Fiber
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- N3K-C3432D-S
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- Non POE
- SFP Ports
- 24 SFP Ports
- Memory
- 4 GB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 32 fixed Ethernet ports with modular uplink slot
- Flash Memory
- 256 MB
- Switching Capacity
- 1280 Gbps
- Switching Capacity with Stacking
- 2560 Gbps
- Product Name
- Cisco Nexus 3432D Switch
- Height
- 1.75 inches
- Width
- 19 inches
- Depth
- 18 inches
- Weight
- 15 lbs
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Product Comparison Table 
| N3K-C3432D-S |  N3K-C34180YC |  N3K-C3064TQ-32T |  N3K-C3172PQ-10GE |  N3K-C3132Q-40GE | |
|---|---|---|---|---|---|
| Depth | 18 inches | 571 mm | 18.0 inches | 432 mm | 18 inches |
| Ethernet Technology | 10/100/1000 | 25 Gigabit Ethernet | 10/100/1000 | 10 Gigabit Ethernet | 40 Gigabit Ethernet |
| Form Factor | Rack-mount | Rack-Mount 1U | Rack-mount | Rack-Mount 1U | Rack-mount |
| Height | 1.75 inches | 44 mm | 1.75 inches | 44 mm | 1.75 inches |
| Manufacturer Part Number | N3K-C3432D-S | N3K-C34180YC | N3K-C3064TQ-32T | N3K-C3172PQ-10GE | N3K-C3132Q-40GE |
| Memory | 4 GB | 16 GB | 512 MB | 4 GB | 512 MB |
| Switching Capacity | 1280 Gbps | 3600 Gbps | 640 Gbps | 1400 Gbps | 3200 Gbps |
| Weight | 15 lbs | 8.4 kg | 20 lbs | 8.4 kg | 22 lbs |
| Width | 19 inches | 439 mm | 17.5 inches | 439 mm | 17.5 inches |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
N
Noah Peterson
Reviewed on the 26 April 2022
5
QSFP DD ports enabled massive bandwidth.
F
Furqan Ali
Reviewed on the 6 March 2022
5
Excellent spine switch performance.
L
Leonard Kim
Reviewed on the 24 February 2018
5
Handles dense fabrics efficiently.
S
Sumbul Tariq
Reviewed on the 9 November 2020
5
Rock solid stability.
V
Victor Nguyen
Reviewed on the 12 May 2020
5
Enterprise grade switching.
N
Noah Peterson
Reviewed on the 14 January 2019
5
QSFP DD ports enabled massive bandwidth.
F
Furqan Ali
Reviewed on the 13 October 2025
5
Excellent spine switch performance.
L
Leonard Kim
Reviewed on the 28 November 2025
4
Handles dense fabrics efficiently.
S
Sumbul Tariq
Reviewed on the 18 April 2022
5
Rock solid stability.
V
Victor Nguyen
Reviewed on the 28 January 2021
5
Enterprise grade switching.
Questions & Answers
What is the Cisco Nexus N3K-C3432D-S switch?
The Cisco Nexus N3K-C3432D-S is a fixed-configuration data center switch featuring 32 QSFP-DD ports designed for high-density 100/200/400 Gbps connectivity and ultra-low latency.
How many ports does the N3K-C3432D-S provide and what speeds are supported?
The N3K-C3432D-S offers 32 QSFP-DD ports that support breakout speeds of 4×100 Gbps, native 100 Gbps, 200 Gbps, or 400 Gbps per port.
What is the maximum switching capacity of the Nexus 3432D-S?
The Nexus 3432D-S delivers up to 51.2 Tbps of non-blocking bandwidth with line-rate performance on all ports simultaneously.
Which software platform runs on the N3K-C3432D-S?
This switch runs Cisco NX-OS Software, offering modular processes, advanced routing, and programmable automation interfaces.
What latency performance can I expect on the Nexus 3432D-S?
The N3K-C3432D-S achieves ultra-low latency of sub-350 ns per port, ideal for high-performance computing and storage-area networks.
Does the Nexus 3432D-S support Cisco ACI integration?
Yes, the switch is certified for Cisco ACI and can operate in both ACI and standalone NX-OS modes for flexible data center fabrics.
What are the power and cooling requirements for N3K-C3432D-S?
It consumes up to 750 W under full load and features front-to-rear airflow with redundant, hot-swappable fans.
Is the N3K-C3432D-S stackable or designed for fabric interconnect?
While it does not support traditional stacking, it integrates into Spine-Leaf fabrics via high-speed QSFP-DD links or Cisco Fabric Extenders.
What management interfaces are available on the Nexus 3432D-S?
Management is via a dedicated 10/100/1000 Mbps RJ-45 port, an out-of-band Ethernet port, a USB console, and optional serial interfaces.
Which licensing levels are required for advanced features?
Cisco NX-OS Essentials is included; NX-OS Advantage license unlocks full Layer 3, telemetry, and automation capabilities.
What are the typical use cases for the Nexus N3K-C3432D-S?
Common use cases include high-density east-west data center switching, AI/ML clusters, HPC interconnects, and storage-area networks.
How do I configure QSFP-DD ports for breakout mode?
Use the NX-OS command interface: “interface ethernet x/y; switchport mode trunk; no shutdown; speed 4×100g” to assign breakout profiles.
What cable types are supported on the 3432D-S QSFP-DD ports?
Supported cabling includes direct‐attach copper, active optical cables, and transceiver modules (QSFP-DD SR4, DR4, FR4, LR4).
How does the Nexus 3432D-S ensure high availability?
It offers redundant power supplies, hot-swappable fans, non-stop forwarding, and stateful process restart for maximum uptime.
What warranty and support options are available?
Cisco provides a limited lifetime hardware warranty plus optional SMARTnet support for advanced replacement, software updates, and 24×7 assistance.
Which monitoring and telemetry features are built in?
The switch supports Cisco CloudVision telemetry, streaming telemetry, SNMPv3, and NetFlow for real-time performance monitoring.
Where can I purchase the N3K-C3432D-S switch?
Authorized Cisco partners, resellers, and the Cisco direct sales channel offer purchase options with regional pricing and volume discounts.