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SG350X-8PMD-K9
Cisco SG350X-8PMD-K9 350X 8-Port Multigigabit PoE+ Desktop S...
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SG350X-8PMD-K9 combines eight 100M/1G/2.5G PoE+ access ports with two fixed 10G copper/SFP+ combo uplinks in a managed desktop switch. The Layer 2+ design serves small-business access networks that need powered endpoint connections and faster upstream links without a removable uplink card. Wireless access points, IP phones, and surveillance cameras can share the access infrastructure, with connections operating at their supported speeds. Within the Cisco 350X Series, this configuration concentrates multigigabit access into a lower-density chassis rather than a full bank of conventional Gigabit ports. The SG350X-8PMD retains hardware stacking for installations that need several physical switches managed together. The discontinued SG350X-12PMV-K9-NA differs on aggregate endpoint power, providing a 375W PoE budget for higher-demand legacy installations.
SG350X-8PMD-K9 price for new stock is $788.55, a 67.1% saving from the Cisco list price of $2,397.00. SG350X-8PMD-K9 refurb price is $1,190.70. SG350X-8PMD-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SG350X-8PMD-K9 for additional pricing. Browse the full Cisco SG350X Switches series or explore all Cisco products.
80 Gbps switching capacity supports nonblocking traffic handling across the built-in interfaces. 29.76 Mpps forwarding performance provides the packet-rate ceiling for minimum-size Ethernet frames. 240W of shared PoE output requires endpoint demand to be allocated across the powered connections. Static IPv4 and IPv6 routing supports local inter-VLAN communication, but dynamic routing is not available. SG350X-8PMD-K9 carries 512 MB of DRAM and 256 MB of flash for its embedded software and configuration storage. An aggregate 1.5 MB packet buffer is dynamically shared across ports rather than reserved equally for each connection. HTTP/HTTPS browser management and Textview CLI provide local administration choices, while SNMP supports monitoring integration. STP/RSTP/MSTP handles loop prevention, and LACP combines links into logical groups. DHCP snooping and IP Source Guard restrict traffic associated with untrusted addressing. Port mirroring, RSPAN, and sFlow provide traffic-analysis options when troubleshooting an installed network.
ORM Systems offers SG350X-8PMD-K9 New sealed with up to a 3-year extended warranty, or Certified refurbished with up to 1 year; every condition has 30-day returns, terms apply. 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. Request an itemized quote specifying condition, regional power cord, accessories, and quantity; Cisco's limited lifetime hardware warranty is bounded by the July 31, 2027 last date of support. For enterprise and volume orders, POs are accepted, government buyers can use Net-30, and RMA includes advance replacement, with regional stock and RMA across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Port Configuration | 8 x 2.5G PoE+ / 2 x 10G combo uplinks |
PoE Budget | 240W shared |
Stacking | Hardware stacking / 4 members |
Max Power Draw | 312.4W with PoE at 110V AC |
Cooling | 1 fan |
Lifecycle Status | End of sale July 30, 2022 |
When replacement access points or other powered endpoints require more than conventional PoE+ delivery, four access ports support 60W PoE. Endpoint allocation must account for which devices need those connections rather than treating all powered ports identically. Specify each device's power requirement and port assignment before the PO.
When validating firmware changes before replacing an installed switch, dual software images allow a second image to remain available during staging. The staging plan should identify the intended image and fallback image rather than assume one loaded file is sufficient. Specify the required firmware baseline before ordering.
When several branches need the same initial configuration, Cisco Network Plug and Play supports automated provisioning, while text-editable configuration files can be prepared centrally. Define how each location will receive its settings rather than assuming manual setup is the only path. Check the provisioning workflow and specify the configuration template before the PO.
5G or 10G endpoint connections
The eight access interfaces stop at 2.5G; the two 10G combo interfaces do not turn the remaining endpoint connections into 5G or 10G ports.
Silent fanless operation
The chassis uses one fan and produces 41.3 dB at 25°C. A deployment requiring passive cooling cannot use this model.
Internal redundant power supplies
The internal AC supply has no second internal PSU option. Installations requiring independent, redundant power modules need a different power architecture.
Dynamic routing between network segments
The embedded feature set provides static IPv4 and IPv6 routing, not dynamic route exchange. A routed design requiring learned paths exceeds this switch's routing capability.
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| SG350X-8PMD-K9 |  SG350XG-24T-K9 |  SG350XG-48T |  SG350X-24PD-K9-NA |  SG350X-48-K9-NA | |
|---|---|---|---|---|---|
| Depth | 252.5 mm | 450 mm | 450 mm | 257 mm | 257 mm |
| Ethernet Technology | Multi-Gigabit (2.5G/5G) | 10 Gigabit Ethernet | 10 Gigabit Ethernet | Multi-Gigabit (2.5G/5G) | Gigabit Ethernet |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Desktop | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44 mm | 44 mm | 44 mm | 44 mm | 44 mm |
| Manufacturer Part Number | SG350X-8PMD-K9 | SG350XG-24T-K9 | SG350XG-48T | SG350X-24PD-K9-NA | SG350X-48-K9-NA |
| Memory | 512 MB | 512 MB | 512 MB | 512 MB | 512 MB |
| Power Consumption | 312.4W | 146.7W | 272.6W | 476.6W | 51.6W |
| Switching Capacity | 80 Gbps | 480 Gbps | 960 Gbps | 140 Gbps | 176 Gbps |
| Weight | 2.74 kg | 5.57 kg | 7.43 kg | 3.99 kg | 3.73 kg. |
| Width | 344.4 mm | 440 mm | 440 mm | 440 mm | 440 mm |
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SG350X-8PMD-K9 identifies a 350X managed switch: S denotes switch, G Gigabit, 350 the series, X 10G uplinks, and 8 the access-port count. The 8PMD configuration supplies 2.5G PoE+ access, including four 60W-capable ports; K9 denotes high encryption. A regional suffix such as -NA specifies the power-plug version.
SG350X-8PMD-K9 supports HTTP/HTTPS web management, Textview CLI through console, SSH or Telnet, SNMP, Smart Network Application, Cisco FindIT Network Manager, and Active Advisor. The web utility includes simple and advanced modes, while the CLI offers full and menu-based interfaces. An embedded FindIT Network Probe supports network management without a separate probe appliance.
SG350X-8PMD-K9 is discontinued: end of sale was July 30, 2022, and the last date of support is July 31, 2027. Software maintenance ended July 30, 2023. Match the required firmware and service horizon to those dates before committing to an installation.
SG350X-8PMD-K9 is available New sealed or Certified refurbished, with ORM coverage of up to a 3-year extended warranty for new units or up to 1 year for refurbished units. Returns are 30 days for every condition; terms apply. Cisco's limited lifetime hardware warranty is bounded by the July 31, 2027 last date of support.
SG350X-8PMD-K9 provides a shared 240W PoE budget across eight powered access ports, with four supporting 60W PoE and the remaining ports supporting 30W PoE+. The higher per-port capability does not remove the aggregate limit. Allocate endpoint power by port and total load rather than assuming every individual maximum is available simultaneously.
SG350X-8PMD-K9 supports SFP-10G-SR= for multimode fiber and SFP-10G-LR= for single-mode fiber through its two 10G combo uplinks. Each combo interface activates only one of its copper or fiber connections at a time. Select transceivers for the fiber type and distance, or use a copper uplink without a fiber transceiver.
Cisco 350X hardware stacking supports four members managed as a single system. Stack interconnects use 10G fiber or copper interfaces, with ring and chain topologies available. SFP-H10GB-CU1M= is a supported 1 m direct-attach option. Reserve interfaces for those interconnects when planning the uplink connections that remain available.
SG350X-8PMD-K9 provides static IPv4 and IPv6 routing, with 990 IPv4 static routes and 128 IP interfaces. The IPv6 limits are 245 static routes and 106 interfaces. This is Layer 2+ functionality for inter-VLAN communication, not dynamic routing, so the network design must fit static paths rather than learned route exchange.
Cisco SG350X-8PMD is a desktop-form-factor switch measuring 344.4 mm wide, 44 mm high, and 252.5 mm deep. A mounting kit is included, but the chassis is not a full-width rack body. Confirm the mounting hardware supplied with the selected condition before placing the order.
SG350X-8PMD-K9 uses an internal 100-240V AC supply without a second internal redundant PSU option. Worst-case consumption with PoE is 312.4W at 110V AC or 307.3W at 220V AC. Size branch power and UPS headroom for input draw rather than treating the 240W PoE output budget as the complete AC load.
SG350X-8PMD-K9 provides a 240W PoE budget, while SG350X-12PMV-K9-NA provides 375W. Both models are discontinued. For an existing installation, SG350X-8PMD-K9 fits the smaller aggregate power allocation; SG350X-12PMV-K9-NA accommodates greater combined endpoint demand. The comparison concerns available PoE output, not the maximum draw of an individual endpoint.
SG350X-8PMD-K9 has two 10G combo uplinks, whereas SG350X-24PD-K9-NA has four 10G uplinks comprising two combo connections and two dedicated SFP+ connections. Both models are discontinued. SG350X-8PMD-K9 matches existing two-uplink layouts; SG350X-24PD-K9-NA serves legacy layouts requiring additional upstream connections without sharing every fiber connection with copper.
SG350X-8PMD-K9 provides eight access ports, while SG350X-24PV-K9-NA provides 24 access ports. Both models are discontinued, so this is a legacy-density comparison rather than a current-generation migration recommendation. SG350X-8PMD-K9 suits an existing installation with fewer endpoint connections; SG350X-24PV-K9-NA addresses a legacy installation requiring more physical access connections.
CBS350-8MP-2X-NA is the discontinued replacement for the North American SG350X-8PMD-K9 version, and no current successor is named for that replacement. CBS350-8MP-2X-NA reached end of sale on October 29, 2024. The migration chain therefore does not provide a current replacement simply by moving to the first successor.
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