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N9K-C9316D-GX
Cisco N9K-C9316D-GX Nexus 9300-GX 16-Port 400 Gigabit Switch...
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N9K-C9316D-GX is a fixed-port data center switch with sixteen QSFP-DD interfaces supporting native 40G, 100G, and 400G fabric connections. The Nexus 9300-GX chassis occupies 1U and supports NX-OS operation or ACI fabric deployment. Its optical interfaces connect fabric peers rather than copper access endpoints, and the chassis does not provide PoE output. N9K-C93600CD-GX differs by combining twenty-eight 40/100G QSFP28 ports with eight 100/400G QSFP-DD ports. Within the Cisco Nexus 9000 family, this sixteen-port configuration concentrates connections into a uniform high-speed interface format. The fixed architecture requires no uplink card; connection media must match the intended speed and the equipment at the other end.
N9K-C9316D-GX price is $74,499.23, a 50% saving from the Cisco list price of $148,998.46. N9K-C9316D-GX is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N9K-C9316D-GX for additional pricing. Browse the full Cisco Nexus 9300 Switches series or explore all Cisco products.
12800 Gbps switching capacity accommodates the fabric-facing interfaces, while over 4300 Mpps forwarding performance addresses packet-intensive traffic. N9K-C9316D-GX carries 32 GB of DRAM and a 128 GB SSD for system operation and local storage. An 80 MB system buffer provides packet storage during congestion. Static routing and HSRP are available without an additional feature license; BGP and OSPF belong to licensed routing features. The hardware supports raw capacities of 512000 MAC entries and 896000 IPv4 longest-prefix-match routes, rather than software-verified deployment guarantees. Actual supported scale depends on the operating mode and software release. Out-of-band CLI access uses either the copper or fiber management connection, not both simultaneously, keeping administration separate from the fabric interfaces.
Specify N9K-C9316D-GX as new sealed or certified refurbished, and confirm the condition and included components on the purchase order. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed port links, clean boot, and optics bay recognition; firmware is verified and configuration wiped to factory default. ORM warranties provide up to a 3-year extended term for new units and up to 1 year for certified refurbished units, with 30-day returns on every condition; terms apply. For enterprise and volume orders, POs are accepted, government buyers have Net-30 terms, and RMA includes advance replacement, with regional stock and RMA across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | NX-OS |
Port Configuration | 16 x 400G QSFP-DD |
Max Power Draw | 1010W |
Cooling | 6 fans |
In a hyperscale public cloud environment, operators deploy the N9K-C9316D-GX Nexus 9300 Series 16-port 400G switch as the spine layer in a leaf-spine topology to handle massive east-west traffic. The 400GbE bandwidth and sub-600ns latency ensure deterministic performance for live VM migration, container orchestration and multi-tenant network isolation. Benefit: linear scale-out capacity, simplified operations via Cisco NX-OS automation, and seamless expansion to support virtualized workloads at cloud scale.
In an enterprise AI/ML training data center, data scientists interconnect GPU server pods using the N9K-C9316D-GX Nexus 9300 Series switch to guarantee 400GbE performance for large parameter exchanges and distributed training. Low-jitter fabric and precision timing optimize tensor synchronization across hundreds of GPUs. Benefit: up to 40% faster model convergence, simplified multi-rack orchestration with Cisco Intersight automation, and measurable TCO reduction for deep learning workloads.
In a high-frequency trading (HFT) firm’s network core, the N9K-C9316D-GX Nexus 9300 Series switch delivers 400GbE capacity and deterministic sub-600ns latency to interconnect trading engines, market data gateways and risk engines. Precision time protocol (PTP) support ensures nanosecond-level synchronization for order matching and market arbitrage. Benefit: improved trade execution speed, reduced slippage, and competitive edge through predictable low-latency performance under peak market loads.
When an ACI fabric refresh requires a different leaf or spine role, the switch begins with a spine role and discovers through its default fabric links. Changing roles triggers a reboot; specify the intended role and discovery connections before issuing the purchase order.
When a spare pool spans US and European locations, the power cord must match the site's outlet and supply selection. CAB-9K12A-NA serves North American AC connections, while CAB-9K10A-EU serves European AC connections. Specify regional cord PIDs and consistent airflow for each spare before the PO.
When staging equipment before shipment, initial configuration starts through the console and establishes the Mgmt0 IP address and netmask. Only one out-of-band management interface can operate at a time. Reserve the management address and select the RJ-45 or SFP connection before issuing the PO.
Copper or PoE endpoint connections
N9K-C9316D-GX has optical fabric interfaces rather than copper access ports or PoE output. Specify a separate access switch when endpoints require RJ-45 connectivity or power.
MACsec encryption on fabric links
MACsec is not supported by Nexus 9300-GX switches. A security license does not change that limitation; select a switch with explicit MACsec support.
More than sixteen physical fabric connections
N9K-C9316D-GX has sixteen physical fabric ports. N9K-C9364C-GX offers sixty-four 40/100G QSFP28 ports in a 2U chassis, but does not provide native 400G ports.
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| N9K-C9316D-GX |  N9K-C9272Q |  N9K-C9336PQ |  N9K-C9236C |  N9K-C93600CD-GX | |
|---|---|---|---|---|---|
| Depth | 648 mm | 623 mm | 571 mm | 571 mm | 648 mm |
| Ethernet Technology | 100 Gigabit Ethernet | 40 Gigabit Ethernet | 40 Gigabit Ethernet | 100 Gigabit Ethernet | 100 Gigabit Ethernet |
| Form Factor | Rack-Mount 1U | Rack-Mount 2U | Rack-Mount 2U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 43.7 mm | 89 mm | 89 mm | 44 mm | 43.7 mm |
| Manufacturer Part Number | N9K-C9316D-GX | N9K-C9272Q | N9K-C9336PQ | N9K-C9236C | N9K-C93600CD-GX |
| Memory | 32 GB | 16 GB | 16 GB | 16 GB | 32 GB |
| Power Consumption | 1010W | 975W | 660W | 640W | 1071W |
| Switching Capacity | 12800 Gbps | 5760 Gbps | 2880 Gbps | 7200 Gbps | 12000 Gbps |
| Width | 441.3 mm | 442 mm | 445 mm | 439 mm | 441.3 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.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviewed on the 16 February 2024
16-port 400G switch delivered high-speed connectivity for data-intensive environments.
Reviewed on the 11 March 2018
Handles large-scale traffic efficiently and reliably.
Reviewed on the 26 October 2023
Professional-grade Cisco 9K switch with predictable performance.
Reviewed on the 29 April 2023
Easy deployment and low-latency operation.
Reviewed on the 17 December 2019
Stable and scalable for enterprise spine deployments.
N9K-C9316D-GX identifies the N9316D spine switch with sixteen 400/100G QSFP-DD ports. N9K belongs to the Nexus 9000 family, C9316D is the model identifier, and GX is the series suffix. No license tier appears in this hardware PID, so software entitlement must be specified separately.
N9K-C9316D-GX provides sixteen fixed QSFP-DD ports supporting native 40G, 100G, and 400G Ethernet connections. The interfaces are built into the chassis rather than supplied by an uplink module. Optics and cabling must match the intended connection speed and the connected device.
N9K-C9316D-GX has sixteen 400G-capable QSFP-DD ports, whereas N9K-C93600CD-GX combines twenty-eight 40/100G QSFP28 ports with eight 100/400G QSFP-DD ports. Choose the sixteen-port configuration for a uniform QSFP-DD connection plan; the mixed-interface model suits purchases requiring separate groups of 100G and 400G connections.
N9K-C9316D-GX provides sixteen physical fabric ports, while N9K-C9364C-GX provides sixty-four physical fabric ports. The density difference changes how many direct connections the chassis can terminate. The sixteen-port model suits smaller connection counts; the sixty-four-port model suits builds requiring substantially more physical interfaces.
N9K-C9316D-GX supports DCN Essentials, Advantage, or Premier subscriptions for 3, 5, or 7 years, plus DCN Advantage and NX-OS Advantage perpetual licenses. Perpetual licenses are nontransferable between devices. The hardware PID does not establish an included software tier; specify operating mode, entitlement, and subscription term separately.
No, N9K-C9316D-GX requires an appropriate feature entitlement for BGP or OSPF; both belong to the Essentials routing feature package. Static routes and HSRP are available without an additional license. Select the required software package before ordering a configuration intended for dynamic routing.
Yes, N9K-C9316D-GX includes two power supply modules in a 1+1 redundant arrangement. Both modules must use the same power-source type and airflow direction. AC intake configurations can use NXA-PAC-1100W-PI2, while AC exhaust configurations can use NXA-PAC-1100W-PE2; confirm the selected pair on the order.
N9K-C9316D-GX supports port-side intake using NXA-FAN-35CFM-PI or port-side exhaust using NXA-FAN-35CFM-PE. Every fan and power supply must follow the same airflow direction. Intake ports face the cold aisle, while exhaust ports face the hot aisle; specify the complete airflow configuration before ordering.
Yes, the Nexus 9316D-GX is a 1U rack-mounted switch with a full-width chassis. Its maximum assembled weight is 12.34 kg with fans and power supplies installed. Rack planning must also accommodate the selected airflow direction and the operating temperature limit of 40°C at sea level.
N9K-C9316D-GX is managed through the NX-OS CLI, its console and out-of-band management connection, programmable APIs, or ACI fabric management. Nexus Dashboard Fabric Controller requires DCN Essentials entitlement. The copper and SFP management interfaces are alternatives, and only one operates at a time.
Cisco has not announced an end-of-sale date for Nexus 9300-GX. N9K-C9316D-GX remains available to order, and N9K-C9316D-GX-RF is the separate Cisco remanufactured PID. Cisco remanufacturing and ORM Systems' certified refurbishment are different supply conditions and should be specified separately on the purchase order.
ORM Systems offers N9K-C9316D-GX new sealed or certified refurbished, with up to a 3-year extended warranty on new units and up to 1 year on refurbished units. Cisco's separate hardware warranty is 1 year limited. Every condition includes 30-day returns; terms apply.
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