GrandstreamSKU GWN7821PIn stock

Grandstream GWN7821P 8-Port PoE Layer 3 Multi-Gigabit Switch with 2 SFP+

4.9/5 from verified trade buyers Read reviews
Authorised supply Project support UK delivery options
High demand this week 18 buyers viewed this product today. Need project pricing? Our team can quote bulk and renewal orders.
£223.00 Excl. VAT
Need multiples? Volume discounts for installers, MSPs and resellers.
Fast UK fulfilment Next-day and timed delivery options at checkout.
Price match help Send us your project list for a sharper trade quote.
Genuine stock Authorised supply with UK dispatch options.
Expert advice Pre-sales sizing from security and IT specialists.
**Product Overview** The **Grandstream** **GWN7821P** is a high-performance Layer 3 managed network switch designed for modern business networks requiring ultra-fast multi-gigabit connectivity, advanced routing capabilities, and intelligent PoE power delivery. Featuring 8 x 2.5 Gigabit Ethernet PoE++ ports and 2 x 10 Gigabit SFP+ uplink ports, the **GWN7821P** is ideal for supporting high-density wireless deployments, enterprise networking, IP surveillance systems, and bandwidth-intensive business applications. Engineered for SMBs, enterprise branch offices, hospitality environments, and educational institutions, the **GWN7821P** combines enterprise-grade switching performance with advanced Layer 3 functionality including VLAN routing, ACL security, QoS traffic prioritisation, and intelligent network management. Its powerful PoE++ capabilities enable compatible devices such as Wi-Fi 6/6E/7 access points, IP cameras, and VoIP phones to be powered directly through Ethernet cabling, reducing infrastructure complexity and installation costs. With flexible cloud and local management options, high-speed 10G fibre uplinks, and advanced security protection, the **GWN7821P** delivers scalable, secure, and future-ready networking for demanding business environments. **Ideal For** - Small and medium-sized businesses - Enterprise branch offices - Hospitality and hotel deployments - Schools and educational campuses - High-density Wi-Fi 6/6E/7 environments - IP surveillance systems - VoIP and unified communications deployments - Multi-gigabit business networks - Managed service providers and system integrators **Benefits** The GWN7821P provides businesses with high-speed multi-gigabit network infrastructure while simplifying deployments through integrated PoE++ support. By delivering both power and data over a single Ethernet cable, the switch reduces installation complexity and removes the need for additional power supplies for compatible devices such as wireless access points, IP cameras, and VoIP phones. Its advanced Layer 3 management capabilities, enterprise-grade security features, and flexible cloud or local management options make it ideal for organisations requiring reliable, scalable, and secure networking solutions. With ultra-fast 2.5GbE connectivity and dedicated 10G SFP+ uplink ports, the GWN7821P is perfectly suited for bandwidth-intensive applications, high-performance wireless networking, and expanding enterprise infrastructures. - Grandstream GWN7821P Layer 3 Multi-Gigabit Switch - Power cable - Rack mounting kit - Rubber feet - 8 x 2.5 Gigabit RJ45 PoE++ Ethernet ports - 2 x 10 Gigabit SFP+ uplink ports - Advanced Layer 3 managed switching - Intelligent PoE++ power management
  • 8 x 2.5 Gigabit RJ45 PoE++ Ethernet ports
  • 2 x 10 Gigabit SFP+ uplink ports
  • Advanced Layer 3 managed switching
  • Intelligent PoE++ power management
  • Static routing and Layer 3 network segmentation
  • VLAN, QoS, ACL, and traffic prioritisation support
  • Link aggregation support
  • IPv4 and IPv6 compatibility
  • Cloud management via GDMS and GWN.Cloud
  • Embedded local web management interface
  • SNMP and CLI management support
  • Enterprise-grade network security features
  • Rackmount metal chassis design

Interfaces

  • 8 × 2.5 Gigabit RJ45 Ethernet PoE++ ports
  • 2 × 10 Gigabit SFP+ uplink ports
  • Console management interface

PoE Specifications

  • IEEE 802.3af/at/bt compliant PoE++
  • Intelligent PoE power management
  • Supports powering Wi-Fi 6/7 APs, IP phones, and IP cameras
  • High PoE power budget for connected devices

Switching Performance

  • Switching Capacity: 80Gbps
  • Forwarding Rate: 59.52Mpps
  • Layer 3 static routing support
  • Advanced Layer 3 switching features
  • MAC Address Table: 16K entries
  • Jumbo Frame support

Layer 2 & Layer 3 Features

  • VLAN support
  • Inter-VLAN routing
  • Link aggregation
  • STP/RSTP/MSTP
  • IGMP Snooping
  • QoS traffic prioritisation
  • Port mirroring
  • Static routing
  • Loop detection and prevention

Security

  • ACL (Access Control Lists)
  • Storm control
  • DHCP Snooping
  • Port isolation
  • 802.1X authentication
  • Anti-DoS protection
  • Enterprise-grade security policies

Management

  • GDMS cloud management
  • GWN.Cloud management support
  • Embedded local web GUI
  • SNMP support
  • CLI management support

Power

  • Internal power supply
  • Enterprise PoE++ power budget

Physical

  • Rackmount metal chassis
  • Designed for SMB and enterprise installations
**What's in the Box** - Grandstream GWN7821P Layer 3 Multi-Gigabit Switch - Power cable - Rack mounting kit - Quick installation guide: Included documentation - Rubber feet
**Shipping and Fulfilment** - **UK delivery:** Standard, express and timed services are shown at checkout where available. - **Dispatch:** Stocked products are prepared for dispatch during normal business days. - **Large or project orders:** Delivery timing is confirmed with the order or quotation. - **VAT:** Product prices are displayed excluding VAT; VAT is calculated at checkout.
Grandstream GWN7821P 8 PORT POE 2 SFP+ LAYER 3 MULTI-GIGABIT SWITCH
Grandstream GWN7821P 8-Port PoE Layer 3 Multi-Gigabit Switch with 2 SFP+ £223.00 Excl. VAT · In stock for trade orders
Trade pricing availableNext-day UK dispatchAuthorised supplyProject quote supportSecure checkoutExpert pre-sales advice

Trusted by trade buyers

★★★★★ 4.9 / 5 from 120+ verified reviews
WG
Wesley G
★★★★★

"CLI Secure has been our go-to for Fortinet hardware and renewals. Fast delivery and knowledgeable support every time."

Wesley G
KD
Keith D
★★★★★

"We ordered Grandstream phones for a full office rollout. The trade pricing and next-day delivery saved us both time and budget."

Keith D
RM
Rania M
★★★★★

"Very professional IT networking supplier. Their pre-sales team helped us spec the right firewall for a multi-site deployment."

Rania M
JT
James T
★★★★★

"Great stock availability on Hikvision cameras. Everything arrived well packaged and on time. Will order again."

James T

Built for B2B buying

From product selection to deployment, this is made for real projects.

Get the hardware, licences and supporting kit you need without chasing multiple suppliers. CLI Secure helps trade buyers confirm fit, stock, delivery and project pricing before checkout.

1Check compatibility
2Choose fulfilment
3Deploy with support
Trade quote ready Send your basket for quantity pricing and project supply checks.
Same basket support Add licences, mounts, switches, storage or accessories with confidence.
Grandstream GWN7821P 8 PORT POE 2 SFP+ LAYER 3 MULTI-GIGABIT SWITCH
Need fit advice? Ask before checkout and avoid wrong-spec purchases.

Better buying value

Why trade buyers choose CLI Secure

Generic marketplace Low context
  • Limited project advice
  • Unclear warranty or channel source
  • Harder to quote bundles and renewals
Buying direct Slower procurement
  • Separate suppliers for accessories
  • Less flexible fulfilment for mixed baskets
  • More admin for repeat trade orders

Why choose us

Procurement that feels fast, clear and trade-ready.

Every product page is designed to help you move from shortlist to checkout with fewer unknowns.

Authorised supply Source genuine stock from known B2B channels.
Project help Ask for fit checks, renewal advice and quantity pricing.
Fast dispatch Choose UK delivery options for urgent deployments.
Secure checkout Order online or speak to the team for larger baskets.

Verified buyer feedback

Trusted by installers, resellers and IT teams.

★★★★★

Fast dispatch and helpful advice before we placed a multi-site order. Pricing was clear and the product arrived ready for install.

Wesley G.
★★★★★

CLI Secure helped us confirm the right supporting accessories and saved us a return. Good trade service.

Keith D.
★★★★★

Reliable fulfilment for security hardware and renewals. The team understands what business buyers need.

Rania M.

Common questions

Product and order FAQs

Can I request trade or bulk pricing?

Yes. For multi-unit, reseller or project orders, contact CLI Secure and our team can review the basket for trade pricing.

How quickly can this be delivered?

Available delivery options are shown at checkout. Many in-stock products support next-day or timed UK delivery.

Can you help confirm compatibility?

Yes. Share the existing setup, model numbers or project requirement and we can help confirm suitable hardware, licences or accessories.

Do you supply renewals and supporting accessories?

CLI Secure supplies hardware, renewals, licences and related accessories across networking, CCTV, VoIP and IT support categories.