Full English Description for Cisco C9300X-48UX-M
1. Part Number Naming Breakdown
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C9300X: High-performance stackable Layer 3 multigigabit 90W UPOE+ enterprise access switch hardware platform built on crypto-optimized UADP 2.0sec ASIC, supporting StackWise-1T 1 Terabit stacking bandwidth, dual hot-swappable power supplies, StackPower cross-stack power pooling and one hot-swappable C9300X-NM modular uplink slot with hardware line-rate 100G IPsec encryption acceleration.
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48UX: 48 fixed multigigabit RJ45 downlink ports auto-negotiating 100M/1G/2.5G/5G/10G, supporting Cisco UPOE+ (IEEE 802.3bt 4PPoE, max 90W per port), backward compatible with IEEE 802.3af PoE (15.4W) and IEEE 802.3at PoE+ (30W). Equipped with a default 1100W AC platinum-efficiency PSU, standalone total UPOE+ power budget up to 590W, designed for Wi-Fi 6/7 high-density wireless APs, high-end PTZ surveillance cameras, large-format digital signage, industrial thin clients and power-hungry IoT terminals requiring maximum 90W high-wattage power delivery over existing Cat5e/Cat6 cablingCisco Meraki.
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M: Meraki cloud-native managed persona suffix. This hardware runs Meraki-orchestrated cloud IOS XE firmware, fully administered via Meraki Dashboard. All feature capabilities are unlocked by renewable term-based Meraki Catalyst 9300-M subscriptions (two tiers: Enterprise / Advanced); no permanent on-prem Network Essentials/Advantage perpetual IOS XE licenses applyCisco Meraki.
2. Short Sales One-Liner (For BOM, Quotation & Datasheet Header)
Cisco Catalyst C9300X-48UX-M, 1RU rack-mount Meraki cloud-managed Layer3 48-port multigigabit 10G UPOE+ enterprise access switch, 48-port 100M/1/2.5/5/10G RJ45 UPOE+/PoE+/PoE downlinks with one modular high-speed uplink expansion slot, StackWise-1T 1Tbps stacking and StackPower cross-stack power pooling supported, factory-shipped single 1100W AC UPOE+ power supply, unified single-pane Meraki Dashboard cloud management for modern high-speed office Wi-Fi 7 AP, 4K PTZ camera and industrial digital signage access deployments requiring centralized zero-touch cloud orchestration with universal 90W high-wattage multigigabit PoE endpoints.
3. Complete Product Overview Paragraph
The Cisco Catalyst C9300X-48UX-M is a fixed-form-factor dense 48-port multigigabit UPOE+ stackable Layer 3 enterprise access switch belonging to the Catalyst 9300X-M Meraki cloud-managed portfolio, engineered for modern high-speed office, retail, classroom, smart building and industrial wired deployments that demand both multigigabit 10G bandwidth and maximum 90W UPOE+ power delivery to next-generation wireless access points, high-end PTZ surveillance cameras, large-format digital signage and power-intensive industrial IoT terminals without local on-prem Cisco DNA Center managementCisco Meraki. Equipped with 48 dedicated multigigabit UPOE+-capable RJ45 downlink ports with full four-pair PoE power circuits, the chassis integrates one dedicated hot-swappable C9300X-NM modular uplink slot to flexibly deploy 10G/25G/40G/100G high-speed optical uplink modules for elastic bandwidth scaling to aggregation and core switching layers. While sharing identical line-rate forwarding hardware performance with on-prem IOS XE C9300X-48UX-A/E counterparts, this -M variant operates under exclusive Meraki cloud orchestration: all network configuration, bulk firmware upgrades, real-time traffic monitoring, fault alerting and end-to-end security policy deployment are centralized within the Meraki Dashboard instead of local CLI or Cisco Catalyst Center. It leverages StackWise-1T hardware stacking to combine up to 8 identical C9300X-M switches into a single unified logical switching fabric with 1 Tbps aggregate stacking bandwidth, delivering sub-50ms fast stack failover convergence for carrier-class network reliability. Native StackPower technology dynamically aggregates power supplies across up to four stacked switches for shared UPOE+ power pooling, power redundancy and automatic load redistribution during hardware failure events. Dual hot-swappable AC power supply slots and field-replaceable variable-speed fan trays eliminate single points of hardware failure, and native cross-platform policy synchronization unifies wired switch management with Meraki MR wireless access points and MX security gateways in one cloud console. Meraki zero-touch provisioning (ZTP), remote cable diagnostics and cross-site network topology visualization are native core functions available on both subscription tiers; premium advanced capabilities including unlimited OSPF dynamic routing entries, Adaptive Policy zero-trust segmentation and Encrypted Traffic Analytics (ETA) are fully activated only with the higher Meraki Advanced subscription tier.
4. Detailed Hardware Interface Specifications
Downlink Copper Ports (48 × Multigigabit UPOE+ RJ45)
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48 RJ45 multigigabit ports auto-negotiating 100BASE-T / 1000BASE-T / 2.5GBASE-T / 5GBASE-T / 10GBASE-T, fully compliant with IEEE 802.3af PoE (15.4W), IEEE 802.3at PoE+ (30W) and Cisco UPOE+ (IEEE 802.3bt 4PPoE, proprietary four-pair power delivery up to 90W per port via Cat5e/Cat6 cabling).
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Compatible with standard Cat5e/Cat6 cabling to deliver both multigigabit bandwidth and high-wattage PoE without cable replacement.
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Default 1100W AC platinum-efficiency PSU delivers standalone total UPOE+ budget up to 590W; dual redundant PSUs expand total UPOE+ capacity via cross-stack StackPower sharing.
Modular Uplink Expansion Slot
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1 dedicated hot-swappable C9300X-NM network module slot, compatible with optional high-speed uplink modules:
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C9300X-NM-8Y: 8 × SFP28 (10G / 25G)
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C9300X-NM-4C: 4 × QSFP+ (40G)
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C9300X-NM-2C: 2 × QSFP28 (100G)
Stacking Interfaces
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Dual rear dedicated StackWise-1T stacking ports, total 1 Tbps aggregate stacking bandwidth per stack group; supports ring topology with sub-50ms stack failover convergence, maximum 8 switches per stack.
Management & Auxiliary Ports
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USB 2.0 Type-A storage port for offline firmware upload and local configuration backup.
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Mini-USB Type-B console port for emergency local CLI access during temporary cloud connectivity outages.
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Independent 1G RJ45 out-of-band management port (data-only, no PoE).
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LED status indicators for each multigigabit RJ45 port link/activity, real-time UPOE+ power allocation status, power supply health, fan status, stack status and system fault alarms.
Power & Physical Form Factor
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Form Factor: 1RU standard 19-inch rack-mount chassis, dimensions 4.4 × 445 × 522 mm.
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Dual hot-swappable redundant AC power supply slots; factory-shipped with single 1100W AC UPOE+ platinum PSU (efficiency >90%).
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StackPower cross-stack power sharing supported to pool UPOE+ wattage across stacked switches for higher total power capacity and redundancy.
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Thermal system: 3 field-replaceable redundant variable-speed fan trays with front-to-back airflow.
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Environmental compliance: Operating temperature range -5°C ~ 45°C, ENERGY STAR certified, fully compliant with IEEE 802.3 Ethernet multigigabit, PoE, PoE+ and IEEE 802.3bt UPOE+ standards.
5. Core Hardware Performance Benchmarks
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Standalone Switching Capacity: 2000 Gbps (2 Tbps)
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Standalone Forwarding Rate: 1488 Mpps
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MAC Address Table Size: 32,000 MAC forwarding entries
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VLAN Support: Up to 4,094 IEEE 802.1Q tagged VLANs; maximum 1,000 active STP VLANs under Enterprise license, unlimited with Advanced license
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QoS Hardware Queues: 8 priority hardware queues per physical port, full DSCP & 802.1p marking and hierarchical traffic scheduling optimized for multigigabit wireless backhaul, 4K video surveillance and high-throughput digital signage traffic.
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Jumbo Frame Support: Up to 9198-byte jumbo frame transmission.
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Hardware ACL Capacity: 5,120 ingress/egress access control list entries.
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IPFIX Flow Telemetry: Sampled flow export available under Meraki Enterprise license; full unsampled streaming telemetry enabled with Meraki Advanced license.
6. Layer 2 Standard Feature Suite (Meraki Cloud Configured, All License Tiers)
IEEE 802.1Q VLAN trunking, IEEE 802.3ad LACP EtherChannel (max 8 ports per bundle), complete spanning tree toolkit including PVST+, RPVST+, MSTP with BPDU guard, root guard and loop guard; LLDP/LLDP-MED unified endpoint discovery optimized for multigigabit UPOE+ Wi-Fi APs, PTZ cameras and digital signage terminals, port security with sticky MAC address learning, broadcast/multicast storm suppression, IGMP Snooping v1/v2/v3, SPAN/RSPAN local and remote traffic mirroring, private VLAN edge mode, voice VLAN auto-detection and traffic prioritization, hardware 128-bit AES MACsec link encryption for uplink trunk security.
7. Meraki Cloud Native Layer 3, Security & Orchestration Features (Tier-Based Feature Control)
Supported Routing Capabilities
Static IPv4/IPv6 dual-stack routing, RIP v1/v2, OSPFv2/v3, VRRPv2/v3 gateway redundancy, basic PIM sparse-mode multicast routing.
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Meraki Enterprise License: OSPF routing table limited to maximum 1,000 learned entries
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Meraki Advanced License: Unlimited OSPF dynamic routing table capacity
Cloud-Managed Enterprise Security
IEEE 802.1X multi-domain port authentication, MAB MAC bypass authentication, DHCP Snooping, Dynamic ARP Inspection (DAI), IP Source Guard, CoPP control-plane policing, hardware Secure Boot & Trust Anchor Module, granular RBAC multi-admin dashboard permissions, end-to-end TLS/SSH encrypted communication tunnel between switch and Meraki cloud.
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Meraki Advanced exclusive premium security: End-to-end Adaptive Policy SGT zero-trust micro-segmentation, Encrypted Traffic Analytics (ETA), 256-bit AES MACsec link encryption full support
Meraki Exclusive Cloud Automation & Visibility
Zero-touch provisioning (ZTP) out-of-box automatic device registration to Meraki organization, global bulk firmware scheduling and staged upgrade deployment, live remote cable diagnostics without on-site IT staff, real-time cross-site network topology mapping, unified wired/wireless policy synchronization with Meraki MR APs and MX security appliances, centralized cloud-hosted event logging, cross-device fault alerting via email/SMS, on-demand remote packet capture for offline troubleshooting.
8. Meraki Catalyst 9300-M Subscription License Tier Differentiation
All C9300X-M cloud-managed switches require renewable term-based Meraki Catalyst subscriptions (1/3/5/7/10-year terms), split into two functional tiers:
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Enterprise License (Base Tier)
Full Layer 2 switching suite, limited OSPF route scale (max 1,000 entries), baseline port security, sampled flow telemetry and standard ZTP automation. Adaptive Policy segmentation, full unsampled IPFIX streaming telemetry and ETA analytics are disabled.
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Advanced License (Full Premium Tier)
Unlimited dynamic routing table capacity, Adaptive Policy zero-trust traffic segmentation with SGT tagging, full unsampled IPFIX flow telemetry, Encrypted Traffic Analytics (ETA), complete cross-domain wired fabric orchestration and native 256-bit AES MACsec link encryption support.
Key difference versus on-prem C9300X-A/E IOS XE switches: C9300X-M relies entirely on time-limited Meraki cloud subscriptions and Meraki Dashboard management, while C9300X-A/E use permanent standalone IOS XE perpetual licenses and local/Cisco Catalyst Center management. All switches within the same stack must deploy matching Meraki subscription tiers to guarantee full stacking interoperability and consistent end-to-end security policy enforcement.
9. Datasheet Short Summary Paragraph
The Cisco Catalyst C9300X-48UX-M is a Meraki cloud-native stackable Layer 3 48-port multigigabit 10G UPOE+ copper enterprise access switch equipped with 48 dedicated 100M/1/2.5/5/10G UPOE+/PoE/PoE+ RJ45 downlink ports and one modular high-speed uplink expansion slot, compatible with both Meraki Enterprise and Advanced tier renewable cloud subscriptions. Equipped with StackWise-1T 1Tbps high-bandwidth stacking, StackPower cross-stack UPOE+ power pooling and dual redundant AC power/fan resiliency, it delivers complete Layer 2 switching, tier-restricted Layer 3 dynamic routing, unified cross-site wired-wireless cloud management and remote zero-touch automation. This model targets high-speed Wi-Fi 7 AP, 4K PTZ surveillance camera and industrial digital signage wired access deployments that require both 10G multigigabit bandwidth and up to 90W UPOE+ power per port, and prioritize centralized Meraki Dashboard cloud orchestration instead of traditional local CLI or on-premises Cisco Catalyst Center management.
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