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MS390-48UX2-HW
Cisco MS390-48UX2-HW MS390 48-Port Multigigabit PoE++ Switch
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MS390-48UX2-HW is a cloud-managed Layer 3 access switch with 48 multigigabit copper ports rated to 5 Gbps and UPOE endpoint power. Its modular fiber uplink architecture separates the chassis selection from the uplink configuration rather than providing fixed fiber uplinks. The MS390 series uses a 1U rack-mount chassis for campus and branch access where copper endpoints require connectivity above Gigabit Ethernet. The discontinued MS390-48P-HW instead provides Gigabit PoE+ access, distinguishing both its downlink speed and endpoint power class. Meraki MS390 combines routed switching with cloud administration, allowing the hardware configuration and management requirements to be considered together when matching an installed network.
MS390-48UX2-HW price for new stock is $939.75, a 22.2% saving from the Cisco list price of $1,208.25. MS390-48UX2-HW refurb price is $925.16. MS390-48UX2-HW is in stock and available for free next-day delivery. (terms applied)
Request bulk order quote for MS390-48UX2-HW for additional pricing. Browse the full Cisco Meraki MS390 Switches series or explore all Cisco products.
645W of shared PoE capacity supports endpoint power allocation with the supplied MA-PWR-1100WAC; the aggregate connected load must remain within that budget. 843.8W maximum power consumption in the supplied-power configuration provides an input-power figure for electrical planning rather than equating consumption with the power module's rating. OSPF and static routing support routed access configurations, while DHCP server and relay functions support address assignment across connected networks. A 32000-entry MAC table accommodates learned Ethernet addresses. MS390-48UX2-HW supports 802.1X authentication, IPv4 ACLs and IPv6 ACLs for controlling endpoint access and traffic. STP enhancements address Layer 2 topology handling. Administration uses a GUI-based Meraki dashboard with remote troubleshooting tools, keeping configuration and operational visibility within the cloud-management workflow.
Order MS390-48UX2-HW from ORM Systems in new sealed or certified refurbished condition, and specify the required condition, license, uplink hardware and quantities on the purchase order. Certified refurbished units are inspected and bench-tested, with PoE output verified under load on every powered port, firmware verified and configuration wiped to factory default. New units carry up to a 3-year extended warranty; certified refurbished units carry up to 1 year, and returns are 30 days on every condition, with terms applying. PO purchasing, Net-30 for government and RMA with advance replacement are available; identify enterprise and volume requirements alongside regional stock and RMA needs across the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 48 x 5G UPOE / modular fiber uplinks |
PoE Budget | 645W single supply / 1745W with second MA-PWR-1100WAC |
Stacking | 480 Gbps physical stacking / eight members |
Max Power Draw | 843.8W with supplied MA-PWR-1100WAC |
Cooling | 3 x MA-FAN-16K2 fans |
MS390-48UX2-HW sits in the access closet and terminates copper runs from Wi-Fi 6 access points, phones, cameras, workstations, and other powered endpoints on 48 100M/1G/2.5G/5G RJ-45 ports. Engineers assign VLANs, access policies, QoS markings, and UPoE budgets in the Meraki Dashboard, then reserve modular uplink capacity for distribution handoff. The 645W default PoE budget supports a dense powered edge when endpoint draw is planned port by port and licensing is aligned to the Meraki organisation. The network gains higher access speed without replacing copper aggregation design.
Several MS390 switches form a stacked access block when one wiring closet needs more multigigabit copper density under one management plane. MS390-48UX2-HW contributes 48 5G-capable UPoE ports per member, while the 480 Gbps stacking fabric coordinates forwarding and uplink planning across the stack. Engineers standardise licenses, stacking cables, StackPower design, port profiles, firmware timing, and switch templates through the Meraki Dashboard. The result is controlled access expansion with consistent policy, power planning, and switch administration across repeated closet builds and campus refreshes.
The switch aggregates 48 multigigabit access ports and presents northbound traffic through a separately selected MS390 modular uplink module. Engineers choose 10G or 40G uplink hardware, optics, and fiber paths to match the distribution layer, then configure trunks, routed links, or aggregated uplinks according to the campus design. MS390-48UX2-HW keeps endpoint copper fixed while uplink selection changes with upstream capacity requirements and cabinet topology. The network gains a cleaner access-to-distribution handoff without disturbing powered endpoint cabling or access VLAN assignments.
When an existing installation needs shared power connections alongside its data stack, StackPower requires separate cabling. Specify MA-CBL-SPWR-30CM or MA-CBL-SPWR-150CM for power connections rather than substituting MA-CBL-120G-1M data-stack cables. Check the physical distance between the intended members before adding cable quantities to the purchase order.
When several sites need consistent operational visibility, per-port and per-client usage statistics provide a common monitoring view, while email alerts support remote oversight. User-scheduled firmware updates introduce a change-window requirement. Include management access ownership and the intended update schedule in the rollout specification before finalizing hardware quantities.
Native 10G copper access ports
The copper access ports reach 5 Gbps, not 10 Gbps. Installing MA-MOD-8X10G adds fiber uplinks but does not increase the copper access-port speed.
Mixed-family physical switch stacks
Physical stacking is restricted to MS390 members. Other switch families appearing in the same cloud-management environment do not become compatible physical stack partners.
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| MS390-48UX2-HW |  MS225-48LP-HW |  MS425-32-HW |  MS355-48X2-HW |  MS350-48FP-HW | |
|---|---|---|---|---|---|
| Ethernet Technology | Multi-Gigabit (2.5G/5G) | Gigabit Ethernet | 10 Gigabit Ethernet | Multi-Gigabit (2.5G/5G) | Gigabit Ethernet |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Manufacturer Part Number | MS390-48UX2-HW | MS225-48LP-HW | MS425-32-HW | MS355-48X2-HW | MS350-48FP-HW |
| Power Consumption | 843.8W | 490W | 136W | 1723W maximum with combined power | 888W |
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MS390-48UX2-HW identifies an MS390 switch with 48 multigigabit UPOE access ports. MS390 names the series, 48 identifies the access-port count, and UX2 identifies the 48-port 5GbE UPOE configuration. The complete HW ordering form is switch hardware; Enterprise and Advanced licenses are separate order items rather than a tier selected by this PID.
MS390-48UX2-HW is managed through the GUI-based Meraki dashboard. Administrators can configure ports, examine per-port and per-client usage, receive email alerts, and use remote troubleshooting tools. Firmware updates can be scheduled by the administrator, so the management workflow includes both ongoing monitoring and planned software maintenance.
MS390-48UX2-HW belongs to the discontinued MS390 series, and C9300-48UN-M is its named migration option. Existing-equipment matching and migration purchases therefore require different part-number selections. Specify the discontinued MS390 model when maintaining that hardware family, rather than treating the Catalyst migration model as an interchangeable order code.
ORM offers MS390-48UX2-HW new sealed or certified refurbished, with up to a 3-year extended warranty on new units and up to 1 year on refurbished units. Returns are 30 days on every condition; terms apply. Cisco's separate limited lifetime hardware warranty is bounded by end-of-support and applicable eligibility terms.
MS390-48UX2-HW uses separately ordered Meraki Enterprise or Advanced licensing, with a one-year minimum term. Available durations include one, three, five, seven and ten years. LIC-MS390-48E-1Y is the one-year Enterprise option, while LIC-MS390-48A-1Y is the one-year Advanced option; the hardware PID itself does not select either tier.
MS390-48UX2-HW provides a shared 645W PoE budget with its supplied MA-PWR-1100WAC. Adding a second MA-PWR-1100WAC raises the available budget to 1745W. Size the aggregate endpoint allocation against the selected power configuration rather than assuming that all powered ports can simultaneously operate at their individual maximum output.
The MS390 series accepts MA-MOD-8X10G for eight 10G SFP+ uplinks or MA-MOD-2X40G for two 40G QSFP+ uplinks. These are removable uplink modules, not fixed chassis ports. Specify the required module and compatible optics separately so the hardware order includes the intended fiber connection configuration.
The MS390 series supports eight members in a physical stack with 480 Gbps stacking bandwidth. Physical stack partners must remain within the MS390 family. MA-CBL-120G-50CM, MA-CBL-120G-1M and MA-CBL-120G-3M provide different data-stack cable lengths; select the appropriate reach for the intended rack arrangement rather than substituting StackPower cabling.
The MS390 series supports Layer 3 routing, including static routes and OSPF. DHCP server and DHCP relay functions are also available for connected networks. These capabilities distinguish routed access operation from basic Layer 2 switching, while the required Meraki license remains a separate item from the switch hardware.
MS390-48UX2-HW provides a 645W default PoE budget, compared with 437W for MS390-48P-HW. Both MS390 models are discontinued. The former suits a larger aggregate endpoint allocation; the latter suits a smaller powered load. These figures describe the supplied-power configuration, not simultaneous maximum output from every powered port.
MS390-48UX2-HW ships with MA-PWR-1100WAC, while MS390-48-HW ships with MA-PWR-350WAC. Both are discontinued MS390 hardware. The former matches orders standardized on the higher-rated supplied power module; the latter matches installations whose default power-module inventory is built around MA-PWR-350WAC. Match spare quantities to the supplied module, not just the series name.
The MS390 series uses a 1U rack-mount chassis with three MA-FAN-16K2 fans. The supplied package includes rack-mount brackets, mounting screws and a cable guide. MA-RCKMNT is the separate four-post rack-mount option, so the mounting order should reflect the actual rack arrangement rather than assuming every installation uses identical hardware.
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