Network Infrastructure Supplier — Switches, Firewalls, Wireless, SD-WAN, and Optical Transceivers

Haink supplies enterprise network infrastructure hardware to organizations in Hong Kong, Dubai, and Mainland China. The portfolio covers campus switching, data center switching, enterprise firewalls and NGFW, wireless LAN access points and controllers, WAN routers and SD-WAN platforms, and optical transceivers including OEM-compatible SFP+, QSFP28, QSFP-DD, and direct-attach copper (DAC) cables for all major network platforms.

Network infrastructure procurement spans multiple product categories and vendor relationships. Haink consolidates switching, routing, security, wireless, and optics procurement into a single supplier relationship, reducing the procurement overhead of managing multiple vendor channels for a single network project. All hardware is available for delivery to Hong Kong (duty-free), Dubai (JAFZA and free trade zone logistics), and Mainland China (with full import coordination).

Campus Switching

Campus switching covers access layer, distribution layer, and core switching for enterprise office buildings, campuses, hospitals, universities, and retail environments. Haink supplies campus switches from all major vendors, allowing organizations to procure based on their incumbent platform or select the best-fit vendor for a greenfield deployment.

Cisco Catalyst 9200 / 9300 / 9400 / 9500 / 9600 — the most widely deployed enterprise campus switch family globally; Catalyst 9300 is the standard access switch recommendation for Cisco-standardized environments; Catalyst 9500 and 9600 serve as distribution and core
Aruba CX 6100 / 6200 / 6300 / 6400 — ArubaOS-CX switches with Network Analytics Engine, VSX active-active redundancy, and FortiLink-equivalent integration with Aruba wireless; strong in education, healthcare, and hospitality
Juniper EX2300 / EX3400 / EX4100 / EX4400 / EX4650 / EX9200 — Junos-based campus switches integrated with Juniper Mist AI cloud management for AI-driven wired assurance; EX4400 with multi-gigabit ports for Wi-Fi 6E AP deployments
Fortinet FortiSwitch 100F / 200F / 400F / 600F Series — campus switches managed directly from FortiGate via FortiLink; the right choice for organizations consolidating wired, wireless, and firewall management into a single Fortinet Security Fabric console
Huawei S5735 / S5736 / S6730 / S7706 / S9706 — enterprise campus switches widely deployed in Asia-Pacific and Middle East Huawei-standardized environments

Data Center Switching

Data center switching covers leaf-spine fabric architectures for enterprise data centers, colocation deployments, and private cloud environments. Haink supplies ToR leaf switches, spine switches, and data center core platforms for EVPN-VXLAN overlay fabrics supporting VMware, bare-metal, and containerized workloads.

Cisco Nexus 93180YC-FX / 93360YC-FX2 / 9336C-FX2 / 9364C-GX / 9500 / 9800 — the dominant data center switching platform in enterprise environments; Nexus 9000 with EVPN-VXLAN and ACI fabric automation is the standard for large enterprise data centers
Juniper QFX5120-48Y / QFX5130-32CD / QFX5220-32CD / QFX10008 / QFX10016 — competitive leaf-spine alternative with native Juniper Apstra intent-based automation; QFX5120 is one of the most widely deployed 25G ToR switches globally
Aruba CX 8325 / 8360 / 8400 — ArubaOS-CX data center switches with full EVPN-VXLAN support for organizations standardizing on HPE Aruba across campus and data center
Dell PowerSwitch S5248F-ON / S5296F-ON / Z9332F-ON — Open Networking data center switches tightly integrated with Dell PowerEdge server infrastructure
Huawei CloudEngine 6870 / 8850 / 12800E / 16800 — data center core and spine switches widely deployed in Asia-Pacific hyperscale and enterprise data centers

Enterprise Firewalls and NGFW

Haink supplies next-generation firewall and unified threat management appliances for internet edge security, data center perimeter, and branch office security from the three leading NGFW vendors.

Fortinet FortiGate 60F / 100F / 200F / 400F / 600F / 1000F / 1800F / 4200F / 4400F — the world's highest-unit-volume NGFW vendor; FortiASIC delivers the highest firewall throughput per dollar, making FortiGate the most cost-efficient choice for SSL inspection at scale
Cisco Secure Firewall 1010 / 1120 / 1140 / 2100 / 4100 / 4200 / 9300 — the standard NGFW choice for organizations standardized on Cisco campus and data center infrastructure; integrates with Cisco SecureX and Cisco ISE for unified security policy
Juniper SRX300 / SRX345 / SRX1500 / SRX4100 / SRX4600 / SRX5400 / SRX5800 — Junos-based firewalls for organizations standardizing on a single OS across routing (MX), switching (EX/QFX), and security (SRX)
Huawei USG6000E / USG9500 — enterprise and carrier-grade firewalls deployed in Asia-Pacific and Middle East Huawei-standardized networks

Wireless LAN

Haink supplies Wi-Fi 6, Wi-Fi 6E, and Wi-Fi 7 access points and wireless controllers for enterprise, education, healthcare, and hospitality environments.

Cisco Catalyst 9105 / 9115 / 9120 / 9130 / 9136 / 9162 / 9164 APs + Catalyst 9800 WLC — the largest enterprise wireless installed base; Catalyst 9800 controller available as hardware (9800-40/9800-80) or virtual (9800-CL)
Aruba AP-505 / AP-515 / AP-555 (Wi-Fi 6) / AP-635 / AP-655 (Wi-Fi 6E) / AP-730 (Wi-Fi 7) + Aruba Mobility Controllers — leading in education, healthcare, and hospitality; Aruba Central provides cloud-native AI-driven management
Juniper Mist AP32 / AP41 / AP43 / AP45 / AP55 (Wi-Fi 6/6E/7) + AP61 / AP63 outdoor — cloud-native Mist AI management with Marvis Virtual Network Assistant; strongest AI-driven wireless operations in the market
Fortinet FortiAP 231F / 431F / 433F (Wi-Fi 6) / 233G / 655 (Wi-Fi 6E) / 441K (Wi-Fi 7) — managed via FortiGate FortiLink; right choice for organizations consolidating wireless management into the Fortinet Security Fabric
Huawei AirEngine 5760 / 6760 / 8760 — Wi-Fi 6 and Wi-Fi 6E APs deployed in Asia-Pacific and Middle East Huawei campus environments

WAN Routers and SD-WAN

Cisco ISR 1000 / 4000 / Catalyst 8200 / 8300 / ASR 1001-X — Cisco enterprise WAN edge and aggregation routers for MPLS, internet broadband, and SD-WAN deployments
Juniper MX204 / MX240 / MX480 / MX960 — universal edge routers for enterprise WAN aggregation, internet peering, and service provider edge
Aruba EdgeConnect EC-XS / EC-S / EC-M / EC-L / EC-XL — SD-WAN appliances with session-aware routing and Aruba Central WAN Assurance; strong for multi-site enterprise WAN modernization
Juniper Session Smart Router SSR120 / SSR1200 / SSR1500 — session-based SD-WAN eliminating IPsec tunnel overhead; integrates with Mist WAN Assurance for AI-driven SD-WAN operations
Fortinet FortiGate SD-WAN — SD-WAN built into FortiOS on all FortiGate models; organizations already running FortiGate at branch can enable SD-WAN without additional hardware

Optical Transceivers — OEM and Compatible

Optical transceivers are a significant line item in network infrastructure budgets. Haink supplies both OEM-branded transceivers (Cisco GLC/SFP, Juniper SFP, HPE Aruba SFP) and high-quality third-party compatible transceivers that meet or exceed OEM optical specifications at substantially lower cost. Compatible transceivers are manufactured to MSA (Multi-Source Agreement) standards and are tested for compatibility with Cisco, Juniper, Aruba, Fortinet, Dell, Huawei, and other major platforms.

SFP+ 10 Gigabit Transceivers

SFP-10G-SR — 10GBASE-SR, 850 nm multimode fiber, up to 300 m; the standard 10G optic for intra-rack and short-reach data center connections; available OEM (Cisco SFP-10G-SR=, Juniper SFP-10G-SR, HPE J9150D) and compatible
SFP-10G-LR — 10GBASE-LR, 1310 nm single-mode fiber, up to 10 km; used for inter-building campus links and data center interconnect; available OEM and compatible
SFP-10G-ER — 10GBASE-ER, 1550 nm single-mode fiber, up to 40 km; for longer-reach campus and metro links
SFP-10G-ZR — 10GBASE-ZR, 1550 nm single-mode fiber, up to 80 km; for extended-reach metro and WAN connections
SFP+ DAC (Direct Attach Copper) — passive copper twinax cables in 1 m, 2 m, 3 m, and 5 m lengths for low-cost, low-latency top-of-rack connectivity; significantly cheaper than optical transceivers for short rack distances
SFP+ AOC (Active Optical Cable) — 10G active optical cables for distances beyond DAC range (up to 100 m); lighter and more flexible than copper for high-density cable management

QSFP28 100 Gigabit Transceivers

QSFP-100G-SR4 — 100GBASE-SR4, 850 nm multimode (MPO-12 connector), up to 100 m; standard 100G optic for data center switch-to-switch connections and spine-leaf interconnect over multimode fiber
QSFP-100G-LR4 — 100GBASE-LR4, 1310 nm single-mode (LC duplex), up to 10 km; used for inter-data-center links and longer-reach campus connections on existing single-mode fiber infrastructure
QSFP-100G-CWDM4 — 100GBASE-CWDM4, 1271–1331 nm single-mode (LC duplex), up to 2 km; popular for short-reach single-mode inter-building and DCI links where LR4 cost is not justified
QSFP-100G-PSM4 — 100GBASE-PSM4, parallel single-mode (MPO-12), up to 500 m; cost-efficient 100G option for short single-mode links in data center environments
QSFP-100G-ER4L — extended-reach 40 km single-mode for metro data center interconnect
QSFP28 DAC — 100G passive direct-attach copper cables in 1 m, 2 m, 3 m, and 5 m; the lowest-cost 100G connectivity option for top-of-rack leaf-to-spine links within a rack row
QSFP28 AOC — 100G active optical cables for distances up to 100 m; used for inter-rack connections where DAC reach is insufficient

QSFP-DD and OSFP 400 Gigabit Transceivers

QSFP-DD-400G-DR4 — 400GBASE-DR4, parallel single-mode (MPO-12), up to 500 m; standard 400G optic for spine switches and data center core interconnect on single-mode fiber
QSFP-DD-400G-SR8 — 400GBASE-SR8, 850 nm multimode (MPO-16), up to 100 m; cost-efficient 400G over multimode fiber for intra-data-center spine connections
QSFP-DD-400G-FR4 — 400GBASE-FR4, 1310 nm CWDM4 single-mode (LC duplex), up to 2 km; single-mode 400G for inter-building and short DCI applications without MPO infrastructure
QSFP-DD-400G-LR4 — 400GBASE-LR4, single-mode LC duplex, up to 10 km; used for metro DCI and longer campus interconnect at 400G speeds
QSFP-DD DAC — 400G passive direct-attach copper in 1 m, 2 m, and 3 m; the lowest-cost 400G option for very short within-rack or adjacent-rack spine connectivity
OSFP 400G — OSFP form-factor transceivers for platforms (notably NVIDIA ConnectX and Quantum InfiniBand, and some Juniper/Arista spine switches) using OSFP sockets rather than QSFP-DD

SFP / SFP28 1G and 25G Transceivers

SFP 1000BASE-SX — 1G 850 nm multimode, up to 550 m; standard gigabit optic for campus switch uplinks and legacy server connections
SFP 1000BASE-LX/LH — 1G 1310 nm single-mode, up to 10 km; campus inter-building gigabit links
SFP28-25G-SR — 25GBASE-SR, 850 nm multimode, up to 100 m; standard ToR server NIC to leaf switch connection in 25G leaf-spine data center fabrics
SFP28-25G-LR — 25GBASE-LR, 1310 nm single-mode, up to 10 km; 25G single-mode for longer-reach server or inter-switch connections
SFP28 DAC — 25G direct-attach copper for server-to-switch connections in the same rack; lowest-cost 25G server connectivity option

OEM-Compatible Optics — Cost Savings

OEM-branded transceivers (Cisco, Juniper, HPE, Aruba) carry a significant brand premium — a Cisco SFP-10G-SR= lists at $300–500 USD; a compatible equivalent meeting identical IEEE optical specifications costs $20–50 USD. For large deployments with hundreds or thousands of ports, compatible optics reduce total project cost substantially without compromising optical performance.

Compatible transceivers supplied by Haink are manufactured to MSA standards with platform-specific coding for Cisco Catalyst, Cisco Nexus, Juniper EX/QFX/MX, Aruba CX, Fortinet FortiSwitch, Dell PowerSwitch, and Huawei CloudEngine/S-Series. Each transceiver is tested for link-up compatibility and DOM (Digital Optical Monitoring) data visibility in the target platform's management interface.

Note: most enterprise switch platforms accept compatible transceivers by default. Cisco IOS and NX-OS display a "transceiver module not from Cisco" warning but allow the module to operate normally. This warning can be suppressed with the service unsupported-transceiver command. Junos OS and ArubaOS-CX accept MSA-compliant transceivers without warnings.

Network Infrastructure by Deployment Type

Greenfield Enterprise Campus

For a new enterprise campus deployment, Haink's standard recommendation is: Cisco Catalyst 9300 access + Catalyst 9500 core + Catalyst 9800 WLC + Catalyst 9130 APs for Cisco-standardized organizations; or Aruba CX 6300 access + CX 6400 core + Aruba Central + Aruba AP-635 Wi-Fi 6E for organizations prioritizing cloud-native management and AI-driven operations. Fortinet FortiGate + FortiSwitch + FortiAP is the right choice when unified security and LAN management in a single console is the priority.

Data Center Leaf-Spine Fabric

Standard leaf-spine configurations: Cisco Nexus 93180YC-FX or 9336C-FX2 as leaf + Nexus 9500 as spine for Cisco ACI or standalone EVPN-VXLAN; Juniper QFX5120-48Y as leaf + QFX10008 as spine for Juniper Apstra-managed fabrics; Aruba CX 8325 as leaf + CX 8400 as spine for HPE Aruba environments. Pair with QSFP28 DAC for same-rack leaf-spine links and QSFP28 SR4 or CWDM4 for cross-row spine connections.

Branch Office Network

Standard branch stack: Cisco ISR 1000/4000 or FortiGate 60F/100F at the WAN edge; Cisco Catalyst 9200 or Fortinet FortiSwitch 124F/148F for access switching; Cisco 9115/9120 or Fortinet FortiAP 231F for wireless. For SD-WAN branch modernization: Aruba EdgeConnect EC-S/EC-M or Juniper SSR120/SSR130 replacing traditional MPLS with application-aware multi-path routing.

Where Haink Supplies Network Infrastructure

Hong Kong — campus switches, data center switches, firewalls, wireless APs, routers, and optical transceivers delivered duty-free through Hong Kong's free port for local enterprise and regional deployments. Network infrastructure supplier Hong Kong →
Dubai — network hardware and optics delivered through Dubai free trade zone logistics for UAE enterprise deployment and distribution across the Middle East and Africa. Network infrastructure supplier Dubai →
Mainland China — Cisco, Juniper, Aruba, Fortinet, and Huawei network hardware plus optical transceivers delivered to enterprises and data centers in Beijing, Shanghai, Shenzhen, and other major cities with full import coordination. Network infrastructure supplier Mainland China →

Related Resources

Frequently Asked Questions

Who supplies enterprise network hardware in Dubai?

Haink supplies Cisco, Juniper, Aruba, Fortinet, and Huawei campus switches, data center switches, firewalls, wireless access points, and routers to enterprises and data centers in Dubai and the UAE. Haink also supplies OEM-compatible optical transceivers (SFP+, QSFP28, QSFP-DD) for all major switch platforms. Procurement is handled through Dubai free trade zone logistics with onward distribution to Saudi Arabia, Egypt, and the broader MENA region.

Where can I buy Cisco Catalyst switches in Hong Kong?

Haink delivers Cisco Catalyst 9200, 9300, 9400, 9500, and 9600 campus switches, Cisco Nexus 9000 data center switches, Cisco Secure Firewall appliances, and Cisco Catalyst 9800 wireless controllers to organizations in Hong Kong. No import duties apply to network hardware in Hong Kong. Haink coordinates sourcing and direct delivery to enterprise facilities and data centers in Hong Kong.

What is the difference between OEM optics and compatible transceivers?

OEM optics (Cisco-branded SFP-10G-SR=, Juniper-branded SFP-10G-SR, HPE-branded J9150D) are manufactured to the same MSA optical specifications as compatible transceivers but carry a significant brand premium — typically 5× to 15× the cost of a compatible equivalent. Compatible transceivers are manufactured by third-party optical vendors to the same IEEE and MSA standards, coded for compatibility with specific switch platforms, and tested for link-up and DOM functionality. For most enterprise deployments, compatible transceivers perform identically to OEM in practice. Haink supplies both OEM and compatible options and can advise on the right approach for each project.

Can I use compatible SFP+ transceivers in Cisco switches?

Yes. Cisco Catalyst and Nexus switches display a "transceiver module not from Cisco or its authorized vendors" syslog warning when a compatible transceiver is inserted, but the interface operates normally. The warning is suppressed with the service unsupported-transceiver global configuration command. Compatible transceivers do not affect Cisco TAC support eligibility for the switch itself — only for the transceiver module. Juniper EX and QFX switches and Aruba CX switches accept MSA-compliant compatible transceivers without any warning.

What QSFP28 optics does Haink supply for 100G data center switching?

Haink supplies QSFP-100G-SR4 (multimode MPO, 100 m), QSFP-100G-LR4 (single-mode LC, 10 km), QSFP-100G-CWDM4 (single-mode LC, 2 km), QSFP-100G-PSM4 (parallel single-mode MPO, 500 m), QSFP-100G-ER4L (40 km), and QSFP28 DAC and AOC cables — in both OEM-branded (Cisco, Juniper, Aruba, Dell) and compatible versions for Cisco Nexus, Juniper QFX, Aruba CX, Dell PowerSwitch, Huawei CloudEngine, and other major platforms.

Does Haink supply 400G QSFP-DD transceivers?

Yes. Haink supplies QSFP-DD-400G-DR4, QSFP-DD-400G-SR8, QSFP-DD-400G-FR4, QSFP-DD-400G-LR4, QSFP-DD DAC cables, and OSFP 400G transceivers for Cisco Nexus 9300-GX/9500, Juniper QFX5130/QFX5220/QFX10016, Aruba CX 8360, and other 400G-capable platforms. Contact Haink for availability and compatibility confirmation for specific switch models.

Which network vendor should I choose for a new enterprise campus?

The answer depends on three factors: existing infrastructure (incumbent vendor locks in operational familiarity and existing cable plant), management preference (on-premises CLI, cloud-managed AIOps, or integrated security fabric), and budget. Cisco Catalyst is the safest choice for organizations with existing Cisco infrastructure. Aruba CX + Aruba Central is the strongest cloud-native campus platform with AI-driven operations. Juniper EX + Mist AI is the best choice for organizations that prioritize AI-driven troubleshooting and a single OS across campus and data center. Fortinet FortiSwitch + FortiGate is the right choice when unified security management is the top priority. Haink can assist with architecture design and vendor selection based on specific requirements.

Can Haink supply both network hardware and optical transceivers for a single project?

Yes. Haink supplies switches, routers, firewalls, wireless APs, and optical transceivers (OEM and compatible) as part of a single procurement. This simplifies project logistics — a single purchase order, single delivery coordination, and single point of contact — rather than sourcing hardware from one vendor and optics from a separate supplier. Haink can provide a complete bill-of-materials quote for network infrastructure projects in Hong Kong, Dubai, or Mainland China.