Extreme Networks ExtremeSwitching X435-8P-4S
Brand: Extreme Networks | Category: Network Switches
SKU: EXTR-X4358P4S | Part #: X435-8P-4S | MPN: X435-8P-4S
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About the Extreme Networks ExtremeSwitching X435-8P-4S
The ExtremeSwitching X435-8P-4S is a compact, fanless 8-port Gigabit PoE+ switch designed for enterprises requiring silent network edge switching in noise-sensitive environments such as open-plan offices, retail floors, executive boardrooms, and small IDF closets. Its fanless design eliminates acoustic noise while still delivering 124W of total PoE budget across all 8 access ports, sufficient for powering Wi-Fi 6 access points, VoIP phones, IP cameras, and thin clients. The X435 series runs ExtremeXOS, maintaining full feature parity with larger enterprise switch platforms.
The X435-8P-4S includes 4 x 1G SFP uplinks enabling flexible fiber or copper connections to upstream distribution switches. It supports ExtremeXOS features including Extreme Fabric Connect, VXLAN bridging, MSTP, LACP, and 802.1X with dynamic VLAN assignment, making it a fully capable enterprise edge switch despite its compact size. The switch can be wall-mounted or placed on a desk, and optional rack-mount brackets allow 1U rack installation when needed.
ExtremeCloud IQ management provides the same zero-touch provisioning, AI-driven analytics, and configuration compliance capabilities available across the full X-series portfolio. The X435 is particularly popular in retail branch deployments where a small number of PoE devices need to be connected reliably without the noise and complexity of larger switches. Its conformal-coated PCB option makes it suitable for mildly harsh industrial edge environments.
Ideal for
- Silent open-plan office edge switch for VoIP and Wi-Fi 6 AP connectivity
- Retail branch switching for POS terminals, cameras, and digital signage
- Small conference room AV and UC device switching
- Industrial edge switching in temperature-controlled but noise-sensitive environments
- Executive boardroom AV distribution with PoE device power
- Remote branch office compact network closet switching
Technical specifications
| Manufacturer | Extreme Networks |
| Form Factor | Compact desktop/wall-mount (optional 1U rack kit) |
| Access Ports | 8 x 1G BASE-T PoE+ (IEEE 802.3at, up to 30W per port) |
| Uplink Ports | 4 x 1G SFP (fiber or copper SFP modules) |
| Total PoE Budget | 124W |
| Switching Capacity | 24 Gbps |
| Forwarding Rate | 17.9 Mpps |
| MAC Address Table | 16,000 entries |
| VLANs | 4,094 |
| Cooling | Fanless (passive convection cooling) |
| Routing | Static routing, RIPv1/v2, OSPFv2 (ExtremeXOS license) |
| Security | IEEE 802.1X, Dynamic ARP Inspection, DHCP Snooping, IP Source Guard, Storm Control |
| Stacking | Yes (SummitStack, up to 8 units) |
| Fabric Support | Extreme Fabric Connect (SPB IEEE 802.1aq) |
| Management | ExtremeCloud IQ, ExtremeXOS CLI, SNMP v1/v2c/v3, REST API |
| Power Input | Internal AC power supply, 100–240V AC |
| Power Consumption (max) | 170W |
| Operating Temperature | 0°C to 50°C |
| Dimensions (HxWxD) | 1.73 x 8.75 x 8.6 in (44 x 222 x 218 mm) |
| Weight | 1.5 kg (3.3 lbs) |
| Certifications | UL, CE, FCC Class B, RoHS, TAA Compliant |
Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.
Technical Specifications
| Brand | Extreme Networks |
| Category | Network Switches |
| SKU | EXTR-X4358P4S |
| Part Number | X435-8P-4S |
| Condition | New |
| Form Factor | Compact desktop/wall-mount (optional 1U rack kit) |
| Access Ports | 8 x 1G BASE-T PoE+ (IEEE 802.3at, up to 30W per port) |
| Uplink Ports | 4 x 1G SFP (fiber or copper SFP modules) |
| Total PoE Budget | 124W |
| Switching Capacity | 24 Gbps |
| Forwarding Rate | 17.9 Mpps |
| MAC Address Table | 16,000 entries |
| VLANs | 4,094 |
| Cooling | Fanless (passive convection cooling) |
| Routing | Static routing, RIPv1/v2, OSPFv2 (ExtremeXOS license) |
| Security | IEEE 802.1X, Dynamic ARP Inspection, DHCP Snooping, IP Source Guard, Storm Control |
| Stacking | Yes (SummitStack, up to 8 units) |
| Fabric Support | Extreme Fabric Connect (SPB IEEE 802.1aq) |
| Management | ExtremeCloud IQ, ExtremeXOS CLI, SNMP v1/v2c/v3, REST API |
| Power Input | Internal AC power supply, 100–240V AC |
| Power Consumption (max) | 170W |
| Operating Temperature | 0°C to 50°C |
| Dimensions (HxWxD) | 1.73 x 8.75 x 8.6 in (44 x 222 x 218 mm) |
| Weight | 1.5 kg (3.3 lbs) |
| Certifications | UL, CE, FCC Class B, RoHS, TAA Compliant |
Frequently Asked Questions about Extreme Networks ExtremeSwitching X435-8P-4S
What does the Extreme Networks ExtremeSwitching X435-8P-4S do?
The Extreme Networks ExtremeSwitching X435-8P-4S is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.
What are the headline specs of the Extreme Networks ExtremeSwitching X435-8P-4S?
Key specifications for the Extreme Networks ExtremeSwitching X435-8P-4S: new condition; manufacturer Extreme Networks; form factor Compact desktop/wall-mount (optional 1U rack kit); access ports 8 x 1G BASE-T PoE+ (IEEE 802.3at, up to 30W per port); uplink ports 4 x 1G SFP (fiber or copper SFP modules); total poe budget 124W; switching capacity 24 Gbps. Manufacturer part number X435-8P-4S. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
Is the Extreme Networks ExtremeSwitching X435-8P-4S compatible with my infrastructure?
The Extreme Networks ExtremeSwitching X435-8P-4S interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.