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N3K-C31108PC-V
Cisco N3K-C31108PC-V Nexus 3100-V 48-Port 10 Gigabit Switch,...
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N3K-C31108PC-V provides 48 fixed 10G SFP+ server-facing ports and six fixed QSFP28 uplinks supporting 40G or 100G connections. This Nexus 3100-V switch uses a 1U chassis for top-of-rack deployments, with Layer 2 switching in its default software configuration rather than an included routing entitlement. Fiber connectivity distinguishes the hardware from the discontinued N3K-C31108TC-V, which uses 48 copper 10GBASE-T ports. The Cisco Nexus 3000 family serves enterprise applications, hosting, cloud computing, and high-performance computing environments. Fixed uplink cages accommodate network connections directly; there is no removable uplink-card architecture to specify. The server-facing interfaces carry network traffic without supplying endpoint power.
N3K-C31108PC-V price for new stock is $1,924.65, a 92.6% saving from the Cisco list price of $26,148.00. N3K-C31108PC-V refurb price is $346.50. N3K-C31108PC-V is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N3K-C31108PC-V for additional pricing. Browse the full Cisco Nexus 3100 Switches series or explore all Cisco products.
2160 Gbps switching capacity accommodates simultaneous server-facing and uplink traffic, while 1200 Mpps forwarding supports packet processing across the fixed interfaces. A shared 16 MB packet buffer handles traffic bursts within a common allocation. N3K-C31108PC-V carries 16 GB of system memory and 64 GB of boot flash for its operating environment and local software storage. The MAC address table supports 288000 entries, and jumbo-frame configuration reaches 9216 bytes for networks using larger frames. OSPF, EIGRP, BGP, and VXLAN are license-enabled capabilities, not features bundled with the default Layer 2 configuration. NX-OS provides a CLI, a NETCONF-based XML interface, and SNMP monitoring, with centralized administration available through Cisco Data Center Network Manager. Dual redundant power supplies and four fans support chassis operation; airflow can be port-side intake or port-side exhaust.
N3K-C31108PC-V is offered new sealed or certified refurbished; refurbished units are inspected and bench-tested for power-on and POST, rated-speed port links, clean boot, optics bay recognition, PSU status, and fan status, with firmware verified and configuration wiped to factory default. Specify the condition and included components on the purchase order: ORM provides up to a 3-year extended warranty for new units, up to 1 year for certified refurbished units, and 30-day returns on every condition, with terms applying. Cisco's separate 1-year limited hardware warranty remains bounded by August 31, 2027. Enterprise and volume orders can use PO acceptance, government Net-30, and RMA with advance replacement across UK, EU, US, and MEA regions.
| Key Specs | Key Spec Values |
|---|---|
Operating System | NX-OS |
Port Configuration | 48 x 10G SFP+ / 6 x 100G QSFP28 |
Max Power Draw | 360W |
Cooling | 4 fans with 3+1 redundancy |
Lifecycle Status | End of sale August 31, 2022 |
Replacement PID | N9K-C93180YC-FX3 / Cisco-remanufactured N3K-C31108PC-V-RF |
In a high-density enterprise data center deploying a spine-leaf topology, the Cisco Nexus 31108PC-V leverages 48 SFP+ 10 Gbps server links and six QSFP28 40/100 Gbps uplinks to spine switches. This fabric delivers non-blocking 1.92 Tbps throughput, sub-500 ns latency, and automated NX-OS programmability for seamless east-west traffic. Benefit: Simplifies architecture, scales to thousands of servers, and ensures predictable high-performance at enterprise scale.
In a global VDI deployment supporting 5,000+ concurrent sessions, the Nexus 31108PC-V provides 48 SFP+ ports to hypervisor hosts and six 100 Gbps QSFP28 uplinks to core aggregation. Integrated QoS, VXLAN routing and per-flow telemetry guarantee low-latency delivery of voice, video and graphics. Outcome: Reduces desktop login times by up to 30%, maintains sub-millisecond response under peak load, and delivers consistent end-user experience.
In an AI/ML research lab with GPU-accelerated compute nodes and NVMe-oF storage, the Nexus 31108PC-V aggregates 10 Gbps storage SFP+ links and 100 Gbps QSFP28 inter-node links with RoCE support. The switch’s 1.44 Tbps fabric and sub-microsecond latency optimize distributed training and data shuffling. Outcome: Accelerates model training cycles by up to 40%, removes network bottlenecks, and enables massively parallel compute at scale.
When an existing rack changes between aggregated connections and breakout links, the right-most QSFP28 ports require attention before installation. Switching their operating mode between 100G/40G and 40G/4x10G requires a reboot. Establish the required port mode during staging, then specify the matching connection hardware before the purchase order.
When monitoring tools need traffic from additional TAP or SPAN sources, the switch can participate in a Nexus Data Broker aggregation deployment. NDB-FX-SWT-K9 licenses the traffic aggregation functions separately from ordinary switching. Identify the monitoring sources, tool connections, and required software entitlement before specifying the hardware order.
When a maintenance purchase must match an installed rack, fan direction becomes an ordering detail rather than a interchangeable choice. NXA-FAN-30CFM-F provides port-side exhaust, while NXA-FAN-30CFM-B provides port-side intake. Confirm the installed airflow direction and specify matching fan and power-supply components on the spare-unit purchase order.
25G server-facing connections
N3K-C31108PC-V server-facing ports stop at 10G. N9K-C93180YC-FX3 is the current replacement, retaining 48 server-facing interfaces while adding native 25G connectivity.
Copper 10GBASE-T server connections
N3K-C31108PC-V uses SFP+ server-facing cages rather than built-in 10GBASE-T ports. N9K-C93108TC-FX3P provides 48 copper interfaces and six 100G uplinks.
Continued planned security remedies
Planned vulnerability and security remedies for N3K-C31108PC-V ended August 30, 2025. The current hardware replacement is N9K-C93180YC-FX3; its server-facing ports also support 25G.
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| N3K-C31108PC-V |  N3K-C3064TQ-10GT |  N3K-C3172TQ-XL |  N3K-C3524P-XL |  N3K-C31128PQ-10GE | |
|---|---|---|---|---|---|
| Depth | 566 mm | 570 mm | 505 mm | 467 mm | 602 mm |
| Ethernet Technology | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet |
| Flash Memory | 64 GB | 2 GB | 16 GB | 16 GB | 64 GB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 2U |
| Height | 44 mm | 44 mm | 44 mm | 43.6 mm | 86 mm |
| Manufacturer Part Number | N3K-C31108PC-V | N3K-C3064TQ-10GT | N3K-C3172TQ-XL | N3K-C3524P-XL | N3K-C31128PQ-10GE |
| Power Consumption | 360W | 362W typical operating | 440W | 193W | 413W |
| Switching Capacity | 2160 Gbps | 1280 Gbps | 1400 Gbps | 480 Gbps | 2500 Gbps |
| Weight | 9.7 kg | 9.5 kg | 10 kg | 7.9 kg | 10.1 kg |
| Width | 439 mm | 439 mm | 439 mm | 439 mm | 442 mm |
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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.
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.
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 19 July 2022
SFP plus ports performed flawlessly.
Reviewed on the 2 May 2022
Great balance of density and performance.
Reviewed on the 11 May 2020
Easy integration into Nexus environment.
Reviewed on the 6 April 2025
Stable under heavy traffic.
Reviewed on the 6 March 2021
Solid data center switch.
Reviewed on the 23 January 2022
SFP plus ports performed flawlessly.
Reviewed on the 21 July 2025
Great balance of density and performance.
Reviewed on the 1 November 2022
Easy integration into Nexus environment.
Reviewed on the 21 June 2021
Stable under heavy traffic.
Reviewed on the 30 June 2018
Solid data center switch.
N3K-C31108PC-V identifies the Nexus 31108PC-V chassis with 48 SFP+ ports and six QSFP28 ports. N3K associates the model with the Nexus 3000 family, while C31108PC-V is the chassis designation. The complete part number identifies hardware; a Layer 3 software entitlement is separate.
N3K-C31108PC-V is managed through the NX-OS CLI, a NETCONF-based XML interface, SNMP versions 1, 2, and 3, or Cisco Data Center Network Manager. A dedicated Ethernet management port and an RS-232 serial console provide management connections. Select the administration method before preparing the initial configuration.
Yes, N3K-C31108PC-V reached end of sale on August 31, 2022, and its last date of support is August 31, 2027. Planned vulnerability and security support ended August 30, 2025. Support through the remaining hardware lifecycle depends on applicable existing service entitlement, not merely possession of the switch.
ORM offers N3K-C31108PC-V new sealed with up to a 3-year extended warranty or certified refurbished with up to a 1-year warranty. Returns are available for 30 days on every condition; terms apply. Cisco's separate 1-year limited hardware warranty is bounded by the August 31, 2027 last date of support.
Nexus 3100-V supports NX-OS Essentials and Advantage subscriptions with a three-year minimum, plus nonportable NX-OS Advantage perpetual licensing. Legacy LAN Enterprise N3K-LAN1K9 and Cisco ONE Foundation were earlier paths, not current license offerings. Base hardware includes Layer 2 software; routing entitlement must be specified separately on an ORM order.
N3K-C31108PC-V replaced discontinued N3K-C3064-X-BA-L3, N3K-C3064-X-BD-L3, N3K-C3064-X-FA, N3K-C3064-X-FA-L3, N3K-C3064-X-FD-L3, N3K-C3064-X-OE, N3K-C3064-X-ZC, N3K-C3064-X-ZM-1B, N3K-C3064-X-ZM-1F, N3K-C3064-X-ZM-2B, N3K-C3064-X-ZM-2F, N3K-C3064-X-ZZ, N3K-C3064-X-ZZ-BA, N3K-C3064-X-ZZ-BD, N3K-C3064-X-ZZ-FA, N3K-C3064-X-ZZ-FD, N3K-C3064PQ-10GX, and N3K-C3064PQ-10GXW. Their end-of-sale date was April 28, 2017. N3K-C31108PC-V is itself discontinued, and its current forward replacement is N9K-C93180YC-FX3.
N3K-C31108PC-V supports 100G, 40G, and 4x10G operation through its six fixed QSFP28 ports. The right-most QSFP28 ports have two operating modes, and changing between them requires a reboot. Specify the required mode and compatible connection hardware before staging rather than assuming every configuration can change without interruption.
No, N3K-C31108PC-V includes Layer 2 software by default, while Layer 3 routing requires a separate entitlement. Licensed capabilities include full OSPF, EIGRP, BGP, and VXLAN. A hardware purchase alone does not establish that entitlement, so the required routing license must be addressed separately for the deployment.
The Nexus 3100-V SFP+ model accepts NXA-PAC-650W-PI or NXA-PAC-650W-PE AC supplies and NXA-PDC-930W-PI or NXA-PDC-930W-PE DC supplies. Select intake or exhaust airflow to match the installed fans. The chassis supports two redundant supplies, but compatible supply choices do not identify which components are included in an individual order.
N3K-C31108PC-V uses 48 SFP+ server-facing ports, whereas N3K-C31108TC-V uses 48 copper 10GBASE-T ports. Both models are discontinued. The first suits an existing fiber-connected rack; the second matches copper server connections. For a current copper replacement, N9K-C93108TC-FX3P succeeds the discontinued copper model.
N3K-C31108PC-V combines 48 10G SFP+ ports with six 100G-capable QSFP28 ports, while N3K-C3132Q-V provides 32 native 40G QSFP+ ports. Both are discontinued. N3K-C31108PC-V fits an existing 10G server rack; N3K-C3132Q-V fits an existing rack organized around a higher count of native 40G interfaces.
N9K-C93180YC-FX3 adds native 25G server-facing connectivity where N3K-C31108PC-V server-facing interfaces reach 10G. N9K-C93180YC-FX3 is the current replacement for the discontinued model. Existing 10G racks may require N3K-C31108PC-V for hardware continuity; purchases requiring native 25G server links fit N9K-C93180YC-FX3 rather than the older switch.
No, Cisco-remanufactured N3K-C31108PC-V-RF and ORM certified refurbished N3K-C31108PC-V are separate purchasing conditions. ORM refurbished units are inspected and bench-tested, with firmware verified and configurations wiped to factory default. Specify the required condition on the purchase order rather than treating the Cisco remanufactured part number as an ORM refurbishment designation.
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