REFURBISHED
Cisco
Cisco N9K-C9372PX-E Refurbished 48-Port 10G SFP+ Switch Dual AC
MPN: N9K-C9372PX-E
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Lifetime
Warranty
ISO 9001
Certified Testing
R2v3
Responsible Refurb
25+
Years
5K+
Customers
ISO
Certified
✓
Tested
Every WhaleyComm unit is professionally tested, reset to factory defaults, and certified by our in-house engineers — the same standard trusted by 5,000+ organisations across 25 years. Not a refurb marketplace. A certified lifecycle partner.
Tested to factory specification. Backed by 25 years of enterprise trust.
This professionally tested and refurbished Cisco N9K-C9372PX-E Nexus 9372PX-E is a 1RU, fixed-configuration data center switch from the Cisco Nexus 9300 platform. It ships reset to factory defaults, fully inspected, and certified by WhaleyComm's ISO 9001-certified technicians. The unit features 48 fixed 1/10G SFP+ downlink ports and 6 fixed 40G QSFP+ uplink ports, along with a dedicated 100/1000 out-of-band management port, an RS-232 console port, and two USB ports for configuration management.The N9K-C9372PX-E delivers 1.44 Tbps of non-blocking switching capacity and a forwarding rate of over 1,150 Mpps at sub-microsecond latency — purpose-built for high-density leaf deployments in spine-leaf data center fabrics. The switch is an enhanced hardware revision of the Nexus 9372PX, adding hardware-level support for IP-based Endpoint Group (EPG) classification in Cisco ACI mode, while retaining full feature parity in Cisco NX-OS standalone mode. Advanced feature support includes vPC technology, VXLAN tunnel endpoint (VTEP) support, VRF, HSRP, QoS, IGMP snooping, ACLs, up to 4,096 VLANs, and up to 1,000 VRF instances. The switch includes dual hot-swappable AC power supplies and supports both front-to-back and back-to-front airflow configurations. The onboard dual-core 2.5 GHz x86 CPU, 16 GB of memory, and 64 GB SSD ensure robust NX-OS operation and support for programmability via NX-API, Python, Puppet, and Chef.
At $155, this refurbished Cisco Nexus N9K-C9372PX-E delivers carrier-class data center performance at a fraction of new-unit cost — backed by WhaleyComm's Lifetime Warranty and 25+ years of service to 5,000+ enterprise customers. It is an ideal solution for organizations seeking proven, high-throughput leaf-switch infrastructure without the capital expenditure of new hardware.
Technical Specifications
MPN
N9K-C9372PX-E
Product Series
Cisco Nexus 9300
Form Factor
1RU (rack-mountable)
Downlink Ports
48 × 1/10G SFP+
Uplink Ports
6 × 40G QSFP+
Management Port
1 × 100/1000 out-of-band management
Console Port
1 × RS-232
USB Ports
2 × USB
Switching Capacity
1.44 Tbps (non-blocking)
Forwarding Rate
>1,150 Mpps
Latency
<1 microsecond
Packet Buffer
25 MB shared across all ports
MAC Address Table
96,000 entries
Max VLANs
4,096
Max VRF Instances
1,000
Max LPM Routes
128,000
Max IP Host Entries
208,000
VXLAN Tunnel Endpoints (VTEP)
256
Max PortChannels
528
Max Links per PortChannel
32
Max ECMP Paths
64
Max Fabric Extenders (FEX)
16 (Cisco Nexus 2000 Series)
CPU
Dual-core 2.5 GHz x86
Memory
16 GB
Storage
64 GB SSD
Operating System
Cisco NX-OS (ACI-ready hardware)
Power Supply
Dual hot-swappable AC (750W each)
Typical Power Draw
210W
Maximum Power Draw
537W
Airflow
Front-to-back or back-to-front (configurable)
Dimensions (H × W × D)
1.72 × 17.3 × 22.5 in (4.4 × 43.9 × 57.2 cm)
Weight (without PSU/fans)
22.2 lb (10.1 kg)
Operating Temperature
32°F to 104°F (0°C to 40°C)
Storage Temperature
-40°F to 158°F (-40°C to 70°C)
Humidity
5% to 95% non-condensing
Altitude
0 to 13,123 ft (0 to 4,000 m)
Key Protocols & Features
vPC, VXLAN (VTEP), VRF, HSRP, IGMP Snooping, ACL, QoS, MSTP, PVRST, RPVST, POAP, NX-API, Python, Puppet, Chef
RoHS Compliant
Yes
Ideal Use Cases
Data Center Leaf Switch (Spine-Leaf Fabric)
The N9K-C9372PX-E is purpose-built as a leaf node in Cisco spine-leaf architectures, delivering 1.44 Tbps of non-blocking throughput and 6 × 40G QSFP+ uplinks for high-bandwidth spine connectivity with no oversubscription.
Cisco ACI Fabric Deployment
Hardware-level IP-based EPG classification enables this switch to function as an ACI leaf node, supporting automated policy-driven segmentation, micro-segmentation, and intent-based network operations out of the box.
High-Density Server Access Layer
With 48 × 1/10G SFP+ ports in a single rack unit, this switch provides dense server connectivity for virtualization clusters, bare-metal servers, and hyperconverged infrastructure — ideal for top-of-rack (ToR) or end-of-row (EoR) deployments.
Data Center Modernization / 40G Upgrade Path
QSFP+ uplinks with bidirectional transceiver support allow reuse of existing 10G multimode fiber for 40G connectivity, making this switch a cost-efficient migration platform for organizations upgrading their core fabric.
Virtualization and Cloud Workloads
VXLAN VTEP support, up to 1,000 VRF instances, and vPC technology make this switch well-suited for multi-tenant virtualized environments and private cloud deployments requiring network segmentation and resilient redundancy.
Budget-Conscious Enterprise Network Refresh
At $155 for a refurbished unit backed by a Lifetime Warranty, this switch delivers enterprise-class Nexus 9000 Series capabilities at a fraction of new-unit cost — ideal for IT teams managing capital budgets without sacrificing performance.
What's Included
Cisco N9K-C9372PX-E Nexus 9372PX-E 48-Port 10G SFP+ Managed Switch
Dual AC power supplies
AC power cords (x2)
Rack-mount kit
Console cable
Certificate of testing and factory reset
WhaleyComm Lifetime Warranty certificate
Lifetime Warranty — No Time Limits. No Questions.
Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it. We have stood behind our hardware for 25 years and 5,000+ customers — that is not a marketing line, it is our operating standard.
Compatibility Details
Review supported optics, cables, software, management protocols, and environment-specific compatibility guidance.
✓
Compatible Optics & Transceivers (SFP+ — 10G Downlink Ports)
✓
Cisco SFP-10G-SR (10GBASE-SR, multimode fiber)
✓
Cisco SFP-10G-LR (10GBASE-LR, single-mode fiber)
✓
Cisco SFP-10G-LRM (10GBASE-LRM)
✓
Cisco SFP-H10GB-CU1M / CU3M / CU5M (10G Direct Attach Copper Twinax)
✓
1G SFP optics (GLC-SX-MMD, GLC-LH-SMD, GLC-T)
✓
Compatible Optics & Adapters (QSFP+ — 40G Uplink Ports)
✓
Cisco QSFP-40G-SR4 (40GBASE-SR4, multimode fiber)
✓
Cisco QSFP-40G-LR4 (40GBASE-LR4, single-mode fiber)
✓
Cisco QSFP-4X10G-AOC (Active Optical Cable breakout)
✓
Cisco CVR-QSFP-SFP10G (QSFP to SFP/SFP+ Adapter — QSA, for 10G downgrade)
✓
Cisco 40G Bidirectional Transceiver (reuses existing 10G MMF cabling)
✓
Compatible Fabric Extenders
✓
Cisco Nexus 2000 Series Fabric Extenders (up to 16 per switch)
✓
Cisco Nexus B22 Blade Fabric Extenders (Dell and HP blade chassis)
✓
Compatible Software
✓
Cisco NX-OS (standalone mode)
✓
Cisco APIC / ACI (Application Centric Infrastructure leaf mode)
For full transceiver compatibility tables and minimum NX-OS software release requirements, refer to the Cisco Nexus 9000 Series compatibility matrix or contact our engineering team: +1 214 607-4800 or sales@whaleycomm.com
Shipping & Returns
Clear fulfilment, tracking, return, warranty, and support information for enterprise hardware orders.
Shipping
Orders typically ship within 1-2 business days after payment confirmation. Tracking details are shared once the order has been dispatched.
Returns
Eligible products can be returned according to WhaleyComm's return policy. For DOA, warranty, or product-related issues, contact the support team for replacement or resolution.
Frequently Asked Questions
Product-specific answers about compatibility, testing, warranty, fulfilment, and purchase confidence.
The Cisco N9K-C9372PX-E supports two operating modes: Cisco NX-OS standalone mode for traditional Nexus deployments, and Cisco ACI leaf mode for automated, policy-driven data center fabrics. The 'E' revision adds hardware-level IP-based EPG classification that is transparent in NX-OS mode and provides full feature parity.
Yes. The 6 fixed 40G QSFP+ ports can be converted to 10G connectivity via a Cisco QSFP-to-SFP or SFP+ Adapter (QSA). Additionally, a Cisco 40G bidirectional transceiver allows reuse of existing 10G multimode fiber cabling for 40G Ethernet uplinks, reducing infrastructure upgrade costs.
The N9K-C9372PX-E supports up to 4,096 VLAN IDs and up to 1,000 VRF instances, making it suitable for large multi-tenant environments. It also supports up to 128,000 LPM routes and 208,000 IP host entries.
Yes. Every WhaleyComm unit ships with a Lifetime Warranty. If it fails under normal operating conditions at any point, we replace it at no cost — no time limits, no questions asked.
Every unit goes through our ISO 9001-certified testing process: full power-on diagnostics, port-by-port functionality testing, firmware verification, factory reset, and final inspection. A Certificate of Testing ships with every unit.
Cisco N9K-C9372PX-E Refurbished 48-Port 10G SFP+ Switch Dual AC
$155.00
Cisco
Cisco N9K-C9372PX-E Refurbished 48-Port 10G SFP+ Switch Dual AC
MPN: N9K-C9372PX-E
$155.00
In Stock — Ships Same Day
