# 哪些知名品牌的托管（管理型）网络交换机最好？ — 经过验证的规格比较

> 所有规格数据均已通过官方渠道验证。

What are the best managed network switches from well-known brands?

## 产品列表

### Arista Arista 7050X3-48YC6
```yaml
product: arista-arista-7050x3-48yc6
brand: Arista
price_gbp: 4845.96
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 10GbE, 25GbE, 40GbE, 100GbE
vlan_support: Yes (VLAN tagging and VXLAN/EVPN supported)
number_of_ports: 48 x 25GbE SFP + 8 x 100GbE QSFP
management_interface: Arista EOS (CLI, SNMP, REST/API)
```

- **价格:** £4845.96 [^1]
- **概述:** The Arista 7050X3-48YC6 is a 1RU data-center leaf switch with 48 high-speed 25GbE SFP ports and 8 100GbE QSFP uplinks, delivering up to 6.4Tbps switching capacity and wire-speed L2/L3 forwarding under Arista EOS. It includes advanced telemetry, VXLAN/EVPN support, and hot-swappable power and fans for high-availability deployments, suitable for cloud-scale and enterprise data centers.
- **最适合:** 适用于最佳机型受管交换列表的首选；它提供高密度 25GbE 接入（48 个端口）、100GbE 上联、Arista EOS 的可编程性以及 6.4Tbps 的容量。
- **附加来源:** [^2], [^2], [^1], [^2], [^2]

### Aruba Aruba CX 6300 48G PoE+ Switch JL372A
```yaml
product: aruba-aruba-cx-6300-48g-poe-switch-jl372a
brand: Aruba
price_gbp: 7241.86
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 10/100/1000Base-T; uplinks 1/10/25/50GbE
poe_support: IEEE 802.3af, 802.3at, 802.3bt (high power)
vlan_support: Yes (Layer 2/Layer 3 VLAN support)
stacking_ports: VSF stacking up to 10 members (front-plane uplinks used for stacking)
number_of_ports: 48
management_interface: CLI; Web GUI; Aruba Central (cloud); REST APIs; USB-C console
```

- **价格:** £7241.86 [^3]
- **概述:** The Aruba CX 6300 JL372A is a 48-port managed access switch with multi-gig capable uplinks, full AOS-CX programmability, and high-density PoE including 802.3bt high-power support. It offers enterprise features such as Layer 2/3 switching, VSF stacking, Aruba Central management, and telemetry for campus and branch deployments. Suited for high-density wireless and IoT edge deployments that need robust PoE and modern automation.
- **最适合:** 适合列入顶级企业可管理交换机清单：提供 48 个接入端口、多速率上行链路、AOS-CX 可编程性、VSF 堆叠及高功率 PoE（802.3bt）。
- **附加来源:** [^4], [^5], [^3], [^4], [^5]

### Cisco C9200L-24P-4G-E
```yaml
product: cisco-c9200l-24p-4g-e
brand: Cisco
price_gbp: 634.19
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 10/100/1000 Mbps
poe_support: PoE+ (802.3af/at) 370W
vlan_support: 4096 VLANs
stacking_ports: No stacking support
number_of_ports: 24 + 4 uplink
management_interface: CLI, WebUI, SNMP, SSH, Telnet, Cisco DNA Center
```

- **价格:** £634.19 [^6]
- **概述:** The Cisco Catalyst C9200L-24P-4G-E is a 24-port Gigabit managed switch with 24 PoE+ RJ45 ports and 4 × 1G SFP uplinks, a 370W PoE budget, and IOS XE Network Essentials feature set. It provides Layer 2/limited Layer 3 features, enterprise security (802.1X, MACsec) and multiple management options, suited for small to mid-size campus and branch deployments. It's designed to power access points, phones, and cameras while offering centralized management via Cisco DNA Center or traditional CLI/SNMP to
- **最适合:** 适用于'最佳可管理交换机'清单，因为它提供 24 个 PoE+ 千兆端口、4 个 SFP 上联口、370W PoE 预算、IOS XE 管理能力和企业级安全功能。
- **附加来源:** [^7], [^8]

### Cisco Catalyst 9300-48P-E
```yaml
product: cisco-catalyst-9300-48p-e
brand: Cisco
price_gbp: 1342.99
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 10/100/1000
poe_support: Yes, PoE+ (30W per port)
vlan_support: Yes, 4094 VLANs (max)
stacking_ports: StackWise (StackWise-480 stacking bandwidth)
number_of_ports: 48
management_interface: Console, USB, SNMP, Cisco DNA Center (cloud)
```

- **价格:** £1342.99 [^9]
- **概述:** The Cisco Catalyst 9300-48P-E is a 48-port gigabit, stackable enterprise access switch with PoE+ support, modular uplinks, and rich Layer 2/3 features. It provides high stacking bandwidth and is manageable via console, USB, SNMP, and Cisco DNA Center, making it suitable for secure, scalable campus deployments.
- **最适合:** 适用于最佳托管网络交换机列表，因为它提供 48 个 Gigabit PoE+ 端口、Layer 2/3 功能，以及用于可扩展企业接入的 StackWise-480 堆叠。
- **附加来源:** [^10], [^11], [^9], [^10], [^11]

### HPE Aruba Instant On 1930 48G 4SFP+ (JL259A)
```yaml
product: hpe-aruba-instant-on-1930-48g-4sfp-jl259a
brand: HPE
price_gbp: 335.74
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 10/100/1000 and 1/10GbE uplinks
vlan_support: true
stacking_ports: 4 SFP/SFP+ uplink ports
number_of_ports: 48
management_interface: Web browser; SNMP; Instant On Cloud
```

- **价格:** £335.74 [^12]
- **概述:** The Aruba Instant On 1930 48G 4SFP+ is a managed Layer 2+ gigabit switch with 48 RJ-45 ports and four 1/10GbE SFP/SFP+ uplinks, offering cloud and web-based management and enterprise features such as VLANs and static routing. It targets small and growing businesses needing high port density, fiber uplinks, and centralized management.
- **最适合:** 适合列入最佳受管理交换机清单，因为它提供 48 个千兆端口、四个 1/10GbE SFP+ 上联口、Layer 2+ 功能以及云/网页管理，是来自知名品牌的功能齐全的受管理选项。
- **附加来源:** [^13], [^14], [^12], [^13], [^14]

### Juniper EX3400-24T
```yaml
product: juniper-ex3400-24t
brand: Juniper
price_gbp: 2291.3
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 10/100/1000BASE-T with 4 SFP+ and 2 QSFP+ uplink ports
poe_support: false
vlan_support: 4096 (VLAN IDs 1-4094)
stacking_ports: Virtual Chassis using 4 SFP+ and 2 QSFP+ uplink ports
number_of_ports: 24
management_interface: Junos OS CLI and J-Web (web interface); out-of-band serial and 10/100BASE-T Ethernet
```

- **价格:** £2291.3 [^15]
- **概述:** The EX3400-24T is a 1U managed Ethernet access switch with 24 Gigabit RJ-45 ports plus 4 SFP+ and 2 QSFP+ uplinks, Junos OS management (CLI and J-Web), and Virtual Chassis stacking. It supports advanced L2/L3 features, 214 Mpps throughput, and is suited for campus wiring closets and converged access deployments.
- **最适合:** 适用于追求品牌级可管理交换机的场景，因为它提供 24 个 Gigabit 端口、10Gb/40Gb 上联、完整的 Junos 管理（CLI 与 J‑Web）、Virtual Chassis 堆叠以及丰富的 VLAN/L2‑L3 功能。
- **附加来源:** [^16], [^17]

### Juniper EX3400-48P
```yaml
product: juniper-ex3400-48p
brand: Juniper
price_gbp: 1096.78
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 10/100/1000BASE-T and 10GbE SFP+/40GbE QSFP+ uplinks
poe_support: PoE+ (48 PoE+ ports, 740W with 1 PSU, 1440W with 2 PSUs)
vlan_support: Supports up to 4096 VLANs (IEEE 802.1Q, Q-in-Q, voice VLAN, PVLAN)
stacking_ports: Virtual Chassis over uplink ports (up to 10 switches)
number_of_ports: 48 plus 4 SFP+ and 2 QSFP+ uplinks
management_interface: Junos OS CLI, J-Web, out-of-band serial, 10/100BASE-T Ethernet, SNMP, SSH
```

- **价格:** £1096.78 [^18]
- **概述:** The EX3400-48P is a 48-port Gigabit managed access switch with 4 SFP+ and 2 QSFP+ uplinks, full PoE+ support and Virtual Chassis stacking for up to 10 units. It runs Junos OS with CLI and web management and offers advanced L2/L3 features, high throughput and a large PoE budget for campus wiring closets.
- **最适合:** 适用于顶级可管理交换机清单：提供 48 个 PoE+ 端口、10GbE/40GbE 上行链路、Virtual Chassis 堆叠和 Junos 管理，适合可扩展的企业级接入部署。
- **附加来源:** [^19], [^20], [^18], [^19], [^20]

### Netgear M4300-28G-PoE+ (GSM4328P)
```yaml
product: netgear-m4300-28g-poe-gsm4328p
brand: Netgear
price_gbp: 1663.81
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 24x1G, 2x10GBASE-T, 2x10G SFP+
poe_support: PoE+ (24 ports, 550W or 630W/648W depending on PSU)
vlan_support: Yes (Layer 2/Layer 3 VLANs)
stacking_ports: Any 10G or 40G port can be used for stacking (up to 8 units)
number_of_ports: 28
management_interface: Web GUI, CLI, SNMP, Out-of-band 1G Ethernet management port, RJ45 RS232 console, Mini-USB console, USB storage
```

- **价格:** £1663.81 [^21]
- **概述:** The Netgear M4300-28G-PoE+ (GSM4328P) is a fully managed, stackable 28-port switch offering 24 PoE+ Gigabit access ports plus four 10G uplinks (2x10GBASE-T, 2xSFP+). It provides comprehensive management (GUI, CLI, SNMP), Layer 2/3 features, and modular power options with significant PoE budget for AV, wireless, and enterprise edge deployments. Hot-swappable power and stacking with hitless failover make it suitable for resilient mid-enterprise networks.
- **最适合:** 适合列入品牌管理交换机推荐清单，因为它提供 24 个 PoE+ 端口、4 个 10G 上联、完整的 L2/L3 功能集和可堆叠性且支持无中断故障切换，满足企业边缘需求。
- **附加来源:** [^22], [^23], [^21], [^22], [^23]

### NETGEAR M4300-28G-PoE+ (J/N M4300-28G-PoE+)
```yaml
product: netgear-m4300-28g-poe-j-n-m4300-28g-poe
brand: NETGEAR
price_gbp: 1663.81
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 1G; 10G
poe_support: PoE+ (630W @110V / 720W @220V)
vlan_support: Yes (Layer 2/3/4 features including VLANs)
stacking_ports: Mixed 10G/1G stacking using 10G ports, up to 8 units
number_of_ports: 28 (24x1G + 2x10G + 2xSFP+)
management_interface: CLI, Web GUI, SNMP, NMS300, out-of-band 1G Ethernet management port, RJ45 console, mini-USB console, USB storage
```

- **价格:** £1663.81 [^24]
- **概述:** The M4300-28G-PoE+ is a fully managed stackable 28-port switch with 24 Gigabit PoE+ access ports and four 10G uplink/stacking ports, offering a 128 Gbps switching fabric and a high PoE budget for dense deployments. It supports license-free L2/L3 routing, multiple management options (CLI/GUI/SNMP/NMS300) and redundant modular power for resilient campus or AV-over-IP environments.
- **最适合:** 适用于最佳托管交换机清单：提供无需许可的 L2/L3 路由、24 个 PoE+ 端口且具备大 PoE 预算，以及混合 10G 堆叠，适合可扩展的企业边缘部署。
- **附加来源:** [^25], [^26]

### Ubiquiti USW-48-POE (UniFi Switch Pro 48 PoE)
```yaml
product: ubiquiti-usw-48-poe-unifi-switch-pro-48-poe
brand: Ubiquiti
price_gbp: 963.96
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 1 Gbps (RJ45), 10 Gbps (SFP+)
poe_support: 40 PoE+ ports, 8 PoE++ ports, 600W total PoE availability
vlan_support: 1,000 VLANs supported
stacking_ports: 4 10G SFP+ (used for uplink/stacking)
number_of_ports: 48 1 GbE RJ45, 4 10G SFP+
management_interface: UniFi Network controller, 1.3 inch touchscreen
```

- **价格:** £963.96 [^27]
- **概述:** The UniFi Switch Pro 48 PoE is a 1U rackmount managed switch with 48 Gigabit RJ45 ports and four 10G SFP+ uplinks, offering Layer 2 and Layer 3 features, a 1.3 inch touchscreen, and up to 600W PoE budget supporting PoE+ and PoE++. It supports 1,000 VLANs and advanced switching features, suited for enterprise and high-density deployments requiring PoE power and high uplink bandwidth.
- **最适合:** 适用于最佳可管理网络交换机清单，因为它提供 48 个 Gigabit 端口、4 个 10G SFP+ 上行链路、第 3 层功能，以及支持 PoE++ 的 600W PoE 预算。
- **附加来源:** [^28]

### Ubiquiti UniFi Switch Pro 24 PoE (USW-Pro-24-PoE)
```yaml
product: ubiquiti-unifi-switch-pro-24-poe-usw-pro-24-poe
brand: Ubiquiti
price_gbp: 456.12
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 1 Gbps (RJ45), 10 Gbps (SFP+)
poe_support: 802.3af/at/bt (PoE, PoE+, PoE++), 400W total
vlan_support: Yes (supports up to 1000 VLANs)
number_of_ports: 24 RJ45, 2 SFP+
management_interface: Ethernet, 1.3 in touchscreen
```

- **价格:** £456.12 [^29]
- **概述:** A 1U rack‑mount, Layer 3 managed switch with 24 Gigabit RJ45 ports (16 PoE+, 8 PoE++) and two 10G SFP+ uplinks, a 400W PoE budget, 88 Gbps switching capacity, and a 1.3 in touchscreen for local status. It suits professional networks needing high PoE power and compact 10G uplinks for servers or aggregation. Ideal for powering high-draw devices and running segmented VLAN networks at enterprise scale.
- **最适合:** 最适合：因为它是知名品牌的可管理 Layer 3 交换机，提供 24 个千兆端口（16 个 PoE+，8 个 PoE++）、400W PoE 预算和 2x10G SFP+ 上联--这些是顶级可管理交换机买家所期望的功能。
- **附加来源:** [^30], [^31], [^29], [^30], [^31]

### Cisco Catalyst 9300-24P
```yaml
product: cisco-catalyst-9300-24p
brand: Cisco
price_gbp: 820.72
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 1G/100M
poe_support: Yes (PoE+ 30W)
vlan_support: Up to 4094 VLAN IDs
stacking_ports: Yes (StackWise-480, up to 8 members)
number_of_ports: 24
management_interface: CLI; Web UI; SNMP; Cisco DNA Center; Cisco Prime Infrastructure
```

- **价格:** £820.72 [^32]
- **概述:** The Cisco Catalyst 9300-24P is a 24-port stackable enterprise access switch offering 1G Ethernet ports with PoE+ (30W per port), advanced Layer 3 features, and dedicated stacking for high availability. It supports comprehensive management via CLI, web UI, SNMP and Cisco DNA Center, making it suitable for campus and branch deployments requiring secure, scalable access. The platform includes StackWise-480 stacking and a large VLAN capacity for complex network segmentation.
- **最适合:** 适合托管网络交换机清单，因为它提供 24x 1G PoE+ 端口、先进的三层功能以及 StackWise-480 堆叠，适用于可扩展的企业级接入部署。
- **附加来源:** [^33]

### Ubiquiti UniFi Switch Pro 48 PoE
```yaml
product: ubiquiti-unifi-switch-pro-48-poe
brand: Ubiquiti
price_gbp: 963.96
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 1 Gbps
poe_support: 8 x 802.3bt (PoE++), 40 x 802.3at/af (PoE+/PoE)
vlan_support: 802.1Q VLANs (up to 1000 VLANs)
stacking_ports: 4 x 10G SFP+ uplinks
number_of_ports: 48
management_interface: UniFi Network Controller (web) and front-panel touchscreen
```

- **价格:** £963.96 [^34]
- **概述:** 48-port managed UniFi switch with four 10G SFP+ uplinks, front-panel touchscreen and full UniFi Network management. Provides mixed PoE power including 8 PoE++ ports and supports Layer 2/Layer 3 features and up to 1,000 VLANs, suitable for enterprise or advanced SMB deployments needing high PoE capacity.
- **最适合:** 推荐列入顶级管理型交换机榜单：提供 48 个千兆端口、4 个 10G SFP+ 上联口，以及 8 个端口支持 PoE++，为企业网络提供高功率和上联带宽。
- **附加来源:** [^27], [^35]

### Arista Arista 7050CX3-32S-F
```yaml
product: arista-arista-7050cx3-32s-f
brand: Arista
price_gbp: 3729.78
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 100GbE (QSFP100) with multi-speed breakout to 40GbE, 50GbE, 25GbE, 10GbE
vlan_support: Yes (Layer 2 VLAN support)
number_of_ports: 32 x 100GbE QSFP + 2 x 10GbE SFP+
management_interface: 1 x 1GbE RJ45 management, Console RJ45, Arista EOS (SSH, SNMP, gNMI)
```

- **价格:** £3729.78 [^36]
- **概述:** A 1RU data center switch offering 32 QSFP100 ports and 2 SFP+ ports, non-blocking 6.4 Tbps switching, low latency and Arista EOS for programmability and telemetry. Suited for leaf or collapsed-spine roles needing high-density 100Gb connectivity and flexible breakout options.
- **最适合:** 适合列入最佳托管交换机清单，因为它提供32 x 100Gb QSFP端口、6.4 Tbps无阻塞容量，以及完整的Arista EOS管理功能以支持自动化和遥测。
- **附加来源:** [^37], [^37]

### Juniper EX4650-48Y
```yaml
product: juniper-ex4650-48y
brand: Juniper
price_gbp: 10843.91
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 1GbE/10GbE/25GbE on SFP28 ports; 40GbE/100GbE on QSFP28 uplinks
vlan_support: IEEE 802.1Q VLAN trunking; up to 4093 VLANs
stacking_ports: Virtual Chassis / MC-LAG (no dedicated stacking cable ports)
number_of_ports: 56 (48 SFP28 + 8 QSFP28)
management_interface: 1 RS-232 console port; 2 x RJ-45 management ports; USB 2.0; CLI, SNMP, HTTP, SSH
```

- **价格:** £10843.91 [^38]
- **概述:** The Juniper EX4650-48Y is a 1U enterprise campus/distribution switch with 48 multispeed SFP28 ports and 8 QSFP28 uplinks, supporting 1/10/25GbE access and 40/100GbE uplinks, rich L2/L3 features, EVPN-VXLAN, and Junos OS automation. It offers high throughput (up to 2 Tbps) and advanced routing, telemetry, and chassis management for high-performance campus and data center aggregation. Suited for environments requiring dense 25GbE connectivity and modern virtualization features.
- **最适合:** 适合列入最佳品牌托管交换机推荐列表，因为它提供 48 个支持多速的 25GbE 端口、8 个高速 QSFP28 上联端口，以及完整的 Junos OS L2/L3 功能集（包括 EVPN-VXLAN）。
- **附加来源:** [^39], [^40]

### Aruba JL682A Aruba 2930F 24G 1-slot PoE+
```yaml
product: aruba-jl682a-aruba-2930f-24g-1-slot-poe
brand: Aruba
price_gbp: 1305.68
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
speed: 10/100/1000
poe_support: PoE+ (370 W)
vlan_support: IEEE 802.1Q VLAN
stacking_ports: Virtual Switching Framework (VSF) stacking via uplinks
number_of_ports: 24
management_interface: CLI; Web browser; SNMP; Telnet; AirWave; Aruba Central
```

- **价格:** £1305.68 [^41]
- **概述:** The Aruba 2930F JL682A is a 24-port gigabit L3 access switch with 1 expansion slot and 10G-capable SFP+ uplinks, offering PoE+ with a 370 W budget and enterprise management (CLI, web, SNMP, AirWave, Central). It delivers advanced features like Layer 3 routing, QoS, and hardware MAC/IP tables for SMB and branch deployments needing reliable PoE and manageable uplinks.
- **最适合:** 适合列入最佳托管交换机名单，因为它提供 24 个千兆 PoE+ 端口、支持 10G 的 SFP+ 上联口、370 W PoE 预算，以及通过 AirWave/Central 提供的企业级管理。
- **附加来源:** [^42]

---
## 参考来源
[^1]: Townsend Networks, 访问日期 2026-06-14. https://www.townsendassets.com/collections/arista-7050x3/products/dcs-7050sx3-48yc8-r
[^2]: Network Outlet, 访问日期 2026-06-14. https://networkoutlet.com/products/dcs-7050sx3-48yc8-r-arista-7050x3-48x25gbe-sfp-8x100gbe-qsfp100-switch
[^3]: SecureWirelessWorks, 访问日期 2026-06-14. https://www.securewirelessworks.com/JL762A.asp
[^4]: Tech-America, 访问日期 2026-06-14. https://www.tech-america.com/item/aruba-hpe-6300m-48-port-1gbe-and-4-port-sfp56-power-to-port-2-fan-trays-1-psu-bundle/jl762a-aba?srsltid=AfmBOopXKoC5bpGmX-tf72tLwYvwd8WzF_NbadUHwEYwXWCAv8Om-2YR
[^5]: Insight, 访问日期 2026-06-14. https://www.insight.com/en_US/shop/product/JL661A2/HEWLETT+PACKARD+ENTERPRISE/JL661A/HPE-Aruba-6300M---switch---48-ports---managed---rack-mountable/
[^6]: Router-Switch.com, 访问日期 2026-06-14. https://www.router-switch.com/c9200l-24p-4g-e.html
[^7]: CablesAndKits, 访问日期 2026-06-14. https://www.cablesandkits.com/mc/switches/c9200l-24p-4g-e/fam-406/fp-20385/
[^8]: Network Outlet, 访问日期 2026-06-14. https://networkoutlet.com/products/catalyst-9200l-24-port-poe-4x1g-network-advantage?srsltid=AfmBOopifVaGqn0dEuFdxwZsnXC0XjuUJwXXdEh7kI78SJlWHpuz7aM-
[^9]: CDW, 访问日期 2026-06-14. https://www.cdw.com/product/cisco-catalyst-9300-network-essentials-switch-48-ports-managed/4696730
[^10]: CablesAndKits, 访问日期 2026-06-14. https://www.cablesandkits.com/mc/switches/c9300-48p-/fam-417/fp-19917/
[^11]: Network Outlet, 访问日期 2026-06-14. https://networkoutlet.com/products/catalyst-9300l-48p-poe-network-essentials-4x10g-uplink
[^12]: CDW, 访问日期 2026-06-14. https://www.cdw.com/product/hpe-networking-instant-on-1930-48g-4sfp-sfp-switch-switch-48-ports-m/6158838
[^13]: BestBuy, 访问日期 2026-06-14. https://www.bestbuy.com/product/hpe-aruba-instant-on-1930-48g-4sfp-sfp-switch-white/JJ82GKPKK3/sku/11937771
[^14]: TapeandMedia, 访问日期 2026-06-14. https://tapeandmedia.com/hpe-networking-aruba-instant-on-1930-switch-48-port-gigabit-4-1-10gbe-sfp-sfp-ports/?srsltid=AfmBOoohj_xfP8SS9vTjX80Ao9oQRiEL-VOPeTccTsztgoz6NJ8umjL9
[^15]: Kijero, 访问日期 2026-06-14. https://kijero.com/juniper-networks-ex3400-24-port4-sfp-2-qsfp-uplink-ports?srsltid=AfmBOoqCri2YRI6ShHCOAAq0kk8CixMx3HQmQAnPSoQLdxUcgOH4gfqb
[^16]: Network Devices Inc., 访问日期 2026-06-14. https://networkdevicesinc.com/products/ex3400-24t?srsltid=AfmBOoqWknt0p6Y2l9wZq2GQChKRb_DyvThjQ6ryNLNI3AVfwkgnXK-j
[^17]: Juniper (datasheet page), 访问日期 2026-06-14. https://www.juniper.net/gb/en/products/switches/ex-series/ex3400-ethernet-switch-datasheet.html
[^18]: NetworkDevicesInc, 访问日期 2026-06-14. https://networkdevicesinc.com/products/ex3400-48p?srsltid=AfmBOop9Nhzr44T879OZlElG68ekbljOoztIvehzgG2rYcpnayxre5ay
[^19]: NetworkScreen, 访问日期 2026-06-14. https://www.networkscreen.com/EX3400-48P.asp
[^20]: Newegg (Lezone Marketplace), 访问日期 2026-06-14. https://www.newegg.com/p/0XP-005R-004F7?srsltid=AfmBOoo0R-sBZliDWV8PKdMx-vOPg2uOawrTN4o5M_hQM32pugNtO8m9
[^21]: NetGuardStore, 访问日期 2026-06-14. https://www.netguardstore.com/M4300-28G-PoE.asp
[^22]: NETGEAR (official), 访问日期 2026-06-14. https://www.netgear.com/hk-en/business/wired/switches/fully-managed/m4300-28g-poe-plus-1000w-psu/
[^23]: IP Phone Warehouse, 访问日期 2026-06-14. https://www.ipphone-warehouse.com/netgear-m4300-28g-poe-plus-550w-28-port-switch-p/gsm4328pa.htm
[^24]: CVP, 访问日期 2026-06-14. https://cvp.com/product/netgear-m4300-28g-poe-plus-managed-switch-1000w?srsltid=AfmBOoo-7i1iYto-6a486y-AVnpW98G8a5B_PMhqIdrBSeYsvvr-lH2d
[^25]: Creation Networks, 访问日期 2026-06-14. https://creationnetworks.net/products/netgear-m4300-28g-poe-gsm4328pb-24x1g-poe-630w-2x10g-2xsfp-managed-switch?srsltid=AfmBOorK_nskxorKJx17DJOOiSlo0anAMWboKKf9l6Li1_PoZfuf3V6-
[^26]: IP Phone Warehouse, 访问日期 2026-06-14. https://www.ipphone-warehouse.com/netgear-m4300-28g-poe-plus-550w-28-port-switch-p/gsm4328pa.htm?srsltid=AfmBOor0L-r2F0LrBm4lgg2MTpzlCR7Em22b6Tlblo3Nkpv_ADag3ggV
[^27]: Ubiquiti (Tech Specs / Store), 访问日期 2026-06-14. https://techspecs.ui.com/unifi/switching/usw-pro-48-poe
[^28]: CDW, 访问日期 2026-06-14. https://www.cdw.com/product/ubiquiti-unifi-switch-usw-pro-48-p oe-48-port-managed/5821012
[^29]: Ubiquiti Store, 访问日期 2026-06-14. https://store.ui.com/us/en/products/usw-pro-24-poe
[^30]: WAW/ Wavonline, 访问日期 2026-06-14. https://www.wavonline.com/Ubiquiti-Networks-USW-Pro-24-POE
[^31]: Getic, 访问日期 2026-06-14. https://www.getic.com/product/usw-pro-24-poe-gen-2?srsltid=AfmBOorMLzzvTvHxGi4H3rneknvye-xB-Cq_cDEKfPho6F1LHQQoRHih
[^32]: CDW, 访问日期 2026-06-14. https://www.cdw.com/product/cisco-catalyst-9300-network-essentials-switch-24-ports-managed/4851639
[^33]: Network Outlet, 访问日期 2026-06-14. https://networkoutlet.com/products/catalyst-9300-24-port-mgig-and-upoe-network-advantage?srsltid=AfmBOopsRbAHcqP3oQxLV4WgdhuZ6IPoi8k370zrbM5L4MGuC95-zdL3
[^34]: CDW, 访问日期 2026-06-14. https://www.cdw.com/product/ubiquiti-unifi-switch-usw-pro-48-poe-48-port-managed/5821012
[^35]: B&H Photo Video, 访问日期 2026-06-14. https://www.bhphotovideo.com/c/product/166xxxx-ubiquiti_usw_pro_48_poe.html
[^36]: WhaleyComm, 访问日期 2026-06-14. https://www.whaleycomm.com/products/arista-dcs-7050cx3-32s-f-refurbished
[^37]: NETGenetics, 访问日期 2026-06-14. https://www.networkgenetics.net/arista-dcs-7050cx3-32s-f-32x100gbe-qsfp-2xsfp-switch/
[^38]: NetworkDevicesInc, 访问日期 2026-06-14. https://networkdevicesinc.com/products/ex4650-48y-afo?srsltid=AfmBOorNSKskMhBFMqzEOxOiBfwMxDTRmZPLLywrY1PrWrbo_AzwTgER
[^39]: NetworkScreen, 访问日期 2026-06-14. https://www.networkscreen.com/EX4650.asp
[^40]: Zones, 访问日期 2026-06-14. https://www.zones.com/site/product/index.html?id=106392241
[^41]: CDW, 访问日期 2026-06-14. https://www.cdw.com/product/hpe-networking-2930f-24g-poe-4sfp-switch-24-ports-managed-rack-m/4360876
[^42]: Newegg, 访问日期 2026-06-14. https://www.newegg.com/p/0XP-00VY-00B73?srsltid=AfmBOoom6N2v6DD8akdBXPYs7qjZ3tIB4M__l1kkYLj--64nPdko5U9Z