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N3K-C31128PQ-10GE
Cisco N3K-C31128PQ-10GE Nexus 31128PQ 96-Port 10 Gigabit Swi...
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N3K-C31128PQ-10GE provides 96 fixed 10 Gigabit Ethernet SFP+ interfaces and eight fixed 40 Gigabit Ethernet QSFP+ uplinks for data center access and leaf switching. The managed, non-PoE chassis occupies two rack units and runs Cisco NX-OS. The Nexus 31128PQ belongs to the Cisco Nexus 3100 family, with fiber and supported copper cabling options for server-facing and fabric-facing connections. Uplink capacity is fixed rather than expanded through a removable network card. Base functionality includes switching and basic IP routing; dynamic routing requires attention to the installed software release and its feature entitlements rather than an assumption based on the chassis PID.
N3K-C31128PQ-10GE price for new stock is $2,268.00, a 94.3% saving from the Cisco list price of $39,869.00. N3K-C31128PQ-10GE refurb price is $451.50. N3K-C31128PQ-10GE is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N3K-C31128PQ-10GE for additional pricing. Browse the full Cisco Nexus 3100 Switches series or explore all Cisco products.
2500 Gbps switching capacity and 1400 Mpps forwarding rate support line-rate Layer 2 and Layer 3 traffic across the fixed interfaces. Static routing and RIPv2 provide the basic routing functions. OSPFv2, EIGRP stub and PIM-SM require the applicable routing entitlement; N3K-LAN1K9 is the legacy LAN Enterprise license associated with this hardware. BGP, VRF-lite, VXLAN and PBR are not capabilities to assume from a chassis-only purchase. N3K-C31128PQ-10GE carries 64 GB of boot flash for local software storage, while a 12 MB shared packet buffer serves interface queues. LACP supports aggregated connections, and vPC provides Layer 2 multipathing between separately managed switches. Management paths include console CLI, SSHv2, Telnet, SNMP, XML NETCONF, Cisco DCNM and NX-API. Configuration rollback supports change verification, while the embedded packet analyzer provides control-plane troubleshooting. Include release-specific routing entitlement checks in acceptance testing before enabling licensed features.
ORM Systems offers N3K-C31128PQ-10GE in new sealed and certified refurbished condition; refurbished units are inspected and bench-tested for power-on and POST, every port linking at rated speed, optics bay recognition, PSU and fan status, and clean boot, with firmware verified and configuration wiped to factory default. Specify condition, software entitlement, power configuration and optics on the purchase order. New units carry up to a 3-year extended ORM warranty, certified refurbished units up to 1 year, and every condition includes 30-day returns with terms applying; Cisco's separate one-year hardware warranty is bounded by Cisco service ending February 28, 2027. For enterprise and volume orders, POs are accepted, government buyers receive Net-30, and RMA with advance replacement is available across the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco NX-OS |
License Tier | Base license N3K-BAS1K9 |
Port Configuration | 96x10G SFP+ / 8x40G QSFP+ |
Max Power Draw | 413W. |
Lifecycle Status | End of sale February 25 2022. |
Replacement PID | N9K-C93360YC-FX2. |
In large enterprise data centers building a scalable spine-leaf topology, the N3K-C31128PQ-10GE Nexus 31128PQ switch provides 96 SFP+ 10GbE leaf ports and 8 QSFP+ 40GbE spine uplinks in a 2RU form factor. By delivering up to 1.2Tbps of non-blocking throughput, low-latency forwarding, and automated NX-API orchestration, this deployment accelerates east-west traffic by 50% and cuts network expansion time by 30%, ensuring seamless growth and simplified operations.
For HPC and big data analytics clusters demanding extreme throughput and predictable latency, the Cisco Nexus 31128PQ (N3K-C31128PQ-10GE) supplies 96 low-latency 10GbE ports to interconnect compute nodes and storage arrays, plus 8 40GbE QSFP+ ports for top-of-rack aggregation. Leveraging Cisco Dynamic Buffer Allocation and advanced telemetry, this solution boosts job throughput by 25%, reduces jitter in bursty workloads, and streamlines capacity planning with real-time performance insights.
At the metro edge, service providers use the N3K-C31128PQ-10GE Nexus 31128PQ to terminate up to 96 customer SFP+ 10GbE links and aggregate traffic over 8 QSFP+ 40GbE uplinks to the core. With integrated MPLS, QoS, EVPN-VXLAN segmentation, and hitless upgrade capabilities, this 2RU switch delivers 99.999% availability, reduces convergence times by 40%, and maximizes port density for profitable Ethernet services.
When consolidating segmented server networks, include the Layer 2 segmentation plan alongside the chassis quantity. The Nexus 31128PQ supports 4096 VLANs, but the purchase request should still identify required VLANs, attached devices and upstream interfaces. Specify the intended segmentation and cabling schedule before releasing the PO.
For a staged rollout, N3K-C31128PQ-10GE supports PowerOn Auto Provisioning for initial bootup and configuration. Cisco Embedded Event Manager and Python scripting provide additional automation paths. Define the approved startup configuration, provisioning environment, automation checks and acceptance criteria in the staging request before ordering the units.
When purchasing cooling spares for an existing installation, match the rack's airflow direction before choosing the part. N9K-C9300-FAN3-B= supports port-side exhaust, while N9K-C9300-FAN3= supports port-side intake. A running replacement must finish within one minute; include the airflow-matched spare PID and maintenance procedure on the PO.
Native 25G server connections
The fixed SFP+ access interfaces provide 10G rather than native 25G. The current replacement, N9K-C93360YC-FX2, retains 96 access ports and supports 1/10/25G connections.
Native 100G fabric uplinks
The eight fixed QSFP+ uplinks operate at 40G rather than native 100G. N9K-C93360YC-FX2 is the current replacement and provides twelve 100G uplink ports.
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| N3K-C31128PQ-10GE |  N3K-C3132Q-40GE |  N3K-C3172TQ-10GT |  N3K-C3408-S |  N3K-C3064TQ-32T | |
|---|---|---|---|---|---|
| Depth | 602 mm | 505 mm | 505 mm | 15 inches | 570 mm |
| Ethernet Technology | 10 Gigabit Ethernet | 40 Gigabit Ethernet | 10 Gigabit Ethernet | 10/100/1000 | 10 Gigabit Ethernet |
| Flash Memory | 64 GB | 4 GB | 2 GB | 256 MB | 2 GB |
| Form Factor | Rack-Mount 2U | Rack-Mount 1U | Rack-Mount 1U | Rack-mount | Desktop |
| Height | 86 mm | 44 mm | 44 mm | 1.75 inches | 44 mm |
| Manufacturer Part Number | N3K-C31128PQ-10GE | N3K-C3132Q-40GE | N3K-C3172TQ-10GT | N3K-C3408-S | N3K-C3064TQ-32T |
| Switching Capacity | 2500 Gbps | 2500 Gbps | 1400 Gbps | 480 Gbps | 1280 Gbps |
| Weight | 10.1 kg | 9.3 kg | 10 kg. | 12 lbs | 9.5 kg |
| Width | 442 mm | 439 mm | 439 mm | 17.5 inches | 439 mm |
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.
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.
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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.
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Reviewed on the 15 January 2021
This switch handles massive east-west traffic effortlessly. Port density and performance make it ideal for scalable data centers.
Reviewed on the 10 May 2019
Rock-solid reliability with predictable latency. It performs exceptionally well in our spine-leaf architecture.
Reviewed on the 14 August 2024
High port density and consistent throughput make this switch a core part of our network design.
Reviewed on the 29 June 2017
Configuration was straightforward and performance has been flawless. It's built for serious enterprise workloads.
Reviewed on the 24 March 2024
This Nexus model delivers excellent stability and bandwidth. It easily supports our growing infrastructure needs.
N3K-C31128PQ-10GE identifies the Nexus 31128PQ chassis with 96 SFP+ ports and eight QSFP+ ports in a 2RU enclosure. The complete identifier specifies the chassis configuration rather than a separately selected airflow package or LAN Enterprise license. Use the complete PID, including its model segment and -10GE suffix, on the PO.
CLI over the serial console, SSHv2 or Telnet manages N3K-C31128PQ-10GE, with in-band or dedicated Ethernet management access. Cisco DCNM, SNMP, XML NETCONF, NX-API and Linux Bash provide additional management and automation paths. Include the selected access method and authentication requirements in the staging specification before ordering.
Yes, N3K-C31128PQ-10GE reached end of sale on February 25, 2022, and its last date of support is February 28, 2027. Vulnerability and security support ended February 24, 2025. Existing hardware support depends on valid entitlement; the current replacement is N9K-C93360YC-FX2, rather than another discontinued Nexus 3000 chassis.
New sealed and certified refurbished N3K-C31128PQ-10GE units are offered by ORM Systems, with up to a 3-year extended ORM warranty on new units and up to 1 year on refurbished units. Every condition includes 30-day returns; terms apply. Cisco's one-year hardware warranty is separate, with Cisco service ending February 28, 2027.
The Nexus 31128PQ supports NX-OS Essentials and NX-OS Advantage subscriptions with a three-year minimum term, plus a nontransferable NX-OS Advantage perpetual license. The included N3K-BAS1K9 base license is distinct from these upgrades. Legacy LAN Enterprise N3K-LAN1K9 is discontinued; specify the intended release, features and entitlement path separately from hardware condition.
Yes, N3K-C31128PQ-10GE supports dynamic Layer 3 routing with the appropriate software entitlement. Routing-license requirements depend on the NX-OS release, so the included base license should not be treated as a blanket entitlement for OSPFv2, EIGRP stub or PIM-SM. Confirm the installed release and licensed feature usage before staging routed connections.
The Nexus 31128PQ has eight fixed 40 Gigabit Ethernet QSFP+ uplink interfaces alongside its 96 fixed 10 Gigabit Ethernet SFP+ interfaces. These ports are built into the chassis, not supplied by an optional uplink card. Select compatible transceivers or copper cabling for the required reach and installed software release.
N9K-PAC-650W-B provides port-side exhaust and N9K-PAC-650W provides port-side intake for N3K-C31128PQ-10GE AC configurations. The chassis supports dual redundant power supplies, but the selected airflow arrangement must match the cooling configuration. Specify the actual supply PIDs and input-power arrangement rather than assuming the chassis identifier selects one airflow direction.
N9K-C93360YC-FX2 provides twelve 100G uplink ports, whereas N3K-C31128PQ-10GE provides eight fixed 40G QSFP+ uplinks. N9K-C93360YC-FX2 is the current replacement for the discontinued chassis. N3K-C31128PQ-10GE suits an existing 40G interface requirement; buyers specifying native 100G fabric connections should select the replacement and verify the required optics separately.
The Nexus 31128PQ provides 2500 Gbps switching capacity and a maximum forwarding rate of 1400 Mpps, with line-rate Layer 2 and Layer 3 traffic support. A 12 MB shared packet buffer handles interface queues. These hardware capabilities do not remove the need to verify routing entitlements and release-specific feature support.
Two redundant fans, each with two rotors, cool the Nexus 31128PQ. N9K-C9300-FAN3-B provides port-side exhaust, while N9K-C9300-FAN3 provides port-side intake. A running exchange has a one-minute completion limit. Match the selected cooling PID to the power-supply airflow and include the correct spare identifier in maintenance orders.
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