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QNAP QSW-M408S-US 8-Port Managed Layer 2 Desktop Switch - 4x SFP+ Uplinks - Gigabit & 10GbE - Modular Design
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Product Features
Technical Overview
The QSW-M408S-US delivers enterprise-grade switching performance through its eight auto-negotiating Gigabit Ethernet ports, each supporting 10/100/1000Base-T standards for backward compatibility with existing network equipment. The four SFP+ expansion slots accept industry-standard SFP+ transceivers, enabling 10GbE fiber uplinks to core switches, servers, or storage arrays. This dual-speed architecture ensures that bandwidth bottlenecks are eliminated between access and aggregation layers.
Network management is handled through a comprehensive Layer 2 feature set that includes VLAN support, QoS prioritization, link aggregation, and spanning tree protocols. The switch operates silently with passive cooling, making it suitable for noise-sensitive environments. Power is supplied through an external adapter, reducing internal heat generation and simplifying power redundancy planning. The entire platform is built on QNAP's proven switching silicon, offering stable performance and reliable packet forwarding.
Media Flexibility
Supports both twisted pair copper cabling for economical desktop connections and optical fiber for long-distance, high-bandwidth uplinks. The SFP+ slots accept a wide range of commercially available transceivers.
- Twisted Pair up to 100 meters
- Multi-mode and single-mode fiber support
- Hot-swappable SFP+ modules
Key Product Advantages
The QSW-M408S-US stands out by offering managed switching capabilities typically found in rack-mounted units, packaged in a desktop form factor that simplifies deployment outside traditional wiring closets. Its modular uplink design provides a clear upgrade path to 10GbE networking without requiring a complete switch replacement.
Future-Ready Uplinks
Four SFP+ slots allow gradual migration to 10GbE infrastructure as bandwidth demands increase. Organizations can start with Gigabit copper connections and add fiber uplinks only where needed, optimizing both performance and cost.
- Gradual bandwidth expansion
- Mixed copper/fiber deployment
- Reduced upfront investment
Enterprise Features, Desktop Form
Delivers full Layer 2 management including VLANs, QoS, and link aggregation in a compact, fanless design that operates silently. This combination makes professional-grade switching accessible for office, retail, and light industrial environments.
- Complete VLAN segmentation
- Traffic prioritization controls
- Silent operation for open spaces
Deployment / Use Cases
The QSW-M408S-US is particularly effective in distributed office environments where multiple workgroups require local switching with occasional high-speed uplinks. Its desktop footprint allows placement directly in work areas, reducing cable runs and improving network responsiveness for connected devices.
Small business server rooms benefit from the switch's SFP+ uplinks when connecting to NAS devices or virtualization hosts that demand higher bandwidth. Educational institutions can deploy these switches in classrooms or labs where silent operation is essential, while retail locations appreciate the compact size for point-of-sale and inventory management systems.
Branch Office Aggregation
Acts as the central switch for small offices, connecting workstations, printers, and phones locally while using one or two SFP+ uplinks to connect back to corporate headquarters via fiber.
- Local device connectivity
- High-speed WAN backhaul
- Reduced latency for local traffic
Creative & Media Workgroups
Provides sufficient bandwidth for collaborative video editing or design teams when paired with 10GbE storage. The Gigabit ports handle workstation connections while SFP+ uplinks maintain fast access to shared assets.
- Adequate for 4K media workflows
- Low-latency storage access
- Quiet operation in studios
Physical Profile
Measuring 11.42" wide, 5" deep, and 1.67" tall, the QSW-M408S-US occupies minimal desk or shelf space while providing substantial port density. The 2.52 lb weight and compact dimensions make it easy to position near workgroups or mount using optional brackets. The desktop form factor includes rubber feet for stable placement, and the fanless design ensures zero audible noise in office environments.
- Width
- 11.42" (290 mm)
- Depth
- 5" (127 mm)
- Height
- 1.67" (42.50 mm)
- Weight
- 2.52 lb (1145 g)
What's in the Box
Each QSW-M408S-US switch ships with all necessary components for immediate deployment.
Package contents include QSW-M408S Ethernet Switch Power Cord Power Adapter Quick Installation Guide (QIG), QSW-M408S Ethernet Switch. These included items support setup, installation, and immediate deployment without needing to source the core bundled accessories separately.
Highlights
- 8 Gigabit Ethernet ports for connecting computers, printers, and peripherals
- 4 SFP+ uplink slots supporting 10GbE fiber connections
- Layer 2 managed switching with VLAN, QoS, and link aggregation
- Supports both twisted pair copper and optical fiber media
- Desktop form factor with fanless, silent operation
- Modular design allows gradual network expansion
- External power adapter simplifies installation
- 2-year limited warranty from QNAP
Specifications
| Specifications | |
|---|---|
| Manufacturer | QNAP Systems |
| Manufacturer Part Number | QSW-M408S-US |
| Brand Name | QNAP |
| Product Model | QSW-M408S |
| Product Name | QSW-M408S Ethernet Switch |
| Product Type | Ethernet Switch |
| Interfaces/Ports | |
| Total Number of Network Ports | 8 |
| Modular | Yes |
| Port/Expansion Slot Details | 8 x Gigabit Ethernet Network,4 x 10 Gigabit Ethernet Expansion Slot |
| Media & Performance | |
| Media Type Supported | Twisted Pair,Optical Fiber |
| Ethernet Technology | Gigabit Ethernet,10 Gigabit Ethernet |
| Network Technology | 10/100/1000Base-T,10GBase-X |
| I/O Expansions | |
| Total Number of Expansion Slots | 4.0 |
| Expansion Slot Type | SFP+ |
| Number of SFP+ Slots | 4 |
| Network & Communication | |
| Layer Supported | 2 |
| Management & Protocols | |
| Manageable | Yes |
| Power Description | |
| Power Source | Power Adapter |
| Physical Characteristics | |
| Form Factor | Desktop |
| Height | 1.67" (42.50 mm) |
| Width | 11.42" (290 mm) |
| Depth | 5" (127 mm) |
| Weight (Approximate) | 2.52 lb (1145 g) |
| Miscellaneous | |
| Package Contents | QSW-M408S Ethernet Switch Power Cord Power Adapter Quick Installation Guide (QIG) |
| Country of Origin | Taiwan |
| Warranty | |
| Limited Warranty | 2 Year |
FAQ
How many devices can I connect directly to this switch?
The QSW-M408S-US provides eight Gigabit Ethernet ports for direct device connections. These ports support computers, printers, IP phones, cameras, and other network-enabled equipment using standard RJ45 connectors. Each port auto-negotiates speed and duplex settings, ensuring compatibility with both newer Gigabit devices and legacy 10/100 Mbps equipment.
What are the SFP+ slots used for on this switch?
The four SFP+ expansion slots enable high-speed uplink connections to other switches, servers, or storage devices using optical fiber or direct-attach copper cables. These slots support 10 Gigabit Ethernet speeds, providing significantly more bandwidth than the standard Gigabit ports. You can install commercial SFP+ transceivers to match your existing fiber infrastructure or distance requirements.
Is this switch manageable, and what features does it support?
Yes, the QSW-M408S-US is a fully manageable Layer 2 switch. It includes VLAN support for network segmentation, Quality of Service (QoS) for traffic prioritization, link aggregation to combine multiple ports, and spanning tree protocols for loop prevention. These features allow network administrators to optimize performance, enhance security, and ensure reliable operation in business environments.
Can I use this switch with both copper and fiber cables?
Absolutely. The eight built-in ports support twisted pair copper cabling (Cat5e/Cat6/Cat6a) up to 100 meters, while the four SFP+ slots accept optical fiber transceivers for longer-distance connections. This dual-media support lets you use cost-effective copper for local connections and fiber for backbone links where higher bandwidth or longer distances are required.
Where is this switch designed to be installed?
The QSW-M408S-US features a desktop form factor, making it ideal for placement on shelves, desks, or in small network cabinets outside traditional wiring closets. Its compact dimensions (11.42" × 5" × 1.67") and fanless design allow installation in office environments, retail spaces, classrooms, or server rooms where rack mounting isn't necessary or available.
What comes in the box with the QSW-M408S-US switch?
Each unit includes the QSW-M408S Ethernet switch itself, a power cord, an external power adapter, and a Quick Installation Guide. The package contains everything needed for basic setup and operation. No additional cables or transceivers are included, so you'll need to provide appropriate network cables and SFP+ modules based on your specific deployment requirements.
| Qty | Price | Available |
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