Elite Linksys LN3121-LA Classic Micro Pro 6 AX5400 dual-band Wi-Fi 6 mesh router
Features lightning-fast 5.4 Gbps data rates with wide 160 MHz channel capacity
Equipped with Cognitive Mesh technology, a USB 3.0 port, and WPA3 protection
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Take absolute control of your digital landscape and maximize your fiber internet architecture with the Linksys Classic Micro Pro 6 (LN3121-LA). This elite standalone router is supercharged by Wi-Fi 6 (802.11ax) technology paired with a powerful 1 GHz dual-core Qualcomm Immersive Home processor, pushing aggregated wireless throughput speeds up to a blistering 5.4 Gbps (AX5400). Utilizing an advanced 2x4 spatial stream array alongside dedicated 160 MHz channel bandwidth, it supplies double the data pipeline capacity of traditional wireless hardware. This ensures lag-free concurrent 4K/8K media loops, uninterrupted video conferencing, and intense gaming traffic strings across 35+ connected user devices.
Engineered to grow with your structural needs, the router incorporates intelligent Linksys Cognitive™ Mesh technology. This allows it to act as a robust primary router or pair as a child node to build a unified, high-speed mesh network covering up to 2,700 square feet with a single network name and fluid roaming. The physical architecture features a sleek, low-profile chassis armed with two adjustable high-gain external antennas and a full line-rate wired array composed of 1 Gigabit WAN and 4 Gigabit LAN ports. For high-speed local storage integration, it includes a premium USB 3.0 expansion port supporting SMB v2.0 file sharing. Anchored by a strict data privacy commitment, it shields your home network with cutting-edge WPA3 encryption without tracking your browsing histories or harvesting telemetry for AI models.
Elite AX5400 Dual-Band Core: Combines a 574 Mbps 2.4 GHz lane with an ultra-fast 4804 Mbps 5 GHz lane to isolate high-bandwidth data demands cleanly.
Pro-Grade 160 MHz Channel Streams: Opens the widest digital spectrum lanes available to dramatically reduce congestion and accelerate device download speeds.
Intelligent Cognitive Mesh Sync: Automatically optimizes channel routing and power paths, seamlessly connecting with other Linksys mesh nodes to eradicate dropouts.
Next-Gen Privacy & Zero Telemetry: Safeguards user data with a trusted firmware ecosystem that strictly enforces zero data mining or profile logging.
High-Speed USB 3.0 File Server: Creates an instant, localized cloud server by interfacing directly with external hard drives formatted in NTFS, FAT32, or HFS+.
Advanced Target Wake Time (TWT): Schedules device check-in frequencies to substantially improve battery longevity on mobile smartphones and smart home IoT sensors.
| Feature | Details |
| Manufacturer / Brand | Linksys (Belkin, Inc.) |
| Product Line / Series | Classic Micro Pro 6 / MR-Series |
| Model Number (MPN) | LN3121-LA (Identified internally as MR55WH) |
| UPC-A Barcode | 745883871001 |
| Wireless Generation Class | Wi-Fi 6 (802.11ax) | 100% Backward Compatible with Wi-Fi 5 & Older |
| Maximum Wireless Throughput | AX5400 (574 Mbps on 2.4 GHz + 4804 Mbps on 5 GHz) |
| Core Chipset Platform | Qualcomm® Immersive Home 214 Platform (1 GHz Dual-Core) |
| System Memory Architecture | 512 MB RAM | 256 MB Flash Storage Capacity |
| Spatial Stream Configuration | 2x4 Spatial Streams Matrix |
| Channel Bandwidths Supported | 20, 40, 80, and Ultra-Wide 160 MHz |
| Estimated Signal Coverage Area | Up to 2,700 sq. ft. / 250 m² |
| Physical Internet WAN Interface | 1 x 10/100/1000 Mbps Gigabit RJ45 Ethernet Port |
| Physical Local LAN Interfaces | 4 x 10/100/1000 Mbps Gigabit RJ45 Ethernet Ports |
| Storage Expansion Interface | 1 x USB 3.0 Port (Supports FAT, FAT32, NTFS, HFS+; Up to 1100mA Draw) |
| Antenna Configuration | 2 x Adjustable High-Gain External Antennas + 1 x Internal Bluetooth Setup Antenna |
| Wireless Security Suite | WPA3 Personal, WPA2/WPA3 Mixed Personal, WPA2 Personal, Enhanced Open |
| Network Management Options | Linksys Mobile App (iOS & Android) | Advanced Local Web GUI (192.168.1.1) |
| Power Input Requirements | 100-240V AC, 50-60 Hz Input | 12V DC, 1.5A External Transformer |
| Physical Dimensions Only | 8.35" x 5.55" x 1.18" (212 mm x 141 mm x 30 mm) |
| Net Hardware System Weight | 1.25 lbs / 567 grams |
Elite Linksys LN3121-LA Classic Micro Pro 6 AX5400 dual-band Wi-Fi 6 mesh router
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