D-Link DIR-LX1870 Review
The D-Link DIR-LX1870 (also marketed as DIR-X1870) is positioned as an entry-level WiFi 6 AX1800 router aimed at budget-conscious households upgrading from older WiFi 5 systems. Its core value proposition is simple: bring WiFi 6 efficiency, OFDMA support, and basic mesh scalability into an affordable single-router package. However, real-world performance shows it behaves more like a “baseline WiFi 6 gateway” than a high-capacity modern router, especially under heavy multi-device load.
Who Should Buy
- You are upgrading from an old WiFi 5 router and want basic WiFi 6 access.
- You live in a small to medium home with moderate device usage.
- You mainly stream video, browse, and attend video calls.
- You want a low-cost entry point into mesh-expandable D-Link ecosystems.
- You prefer simple setup over advanced network tuning.
Who Should Avoid
- You need stable high-performance gaming under heavy network congestion.
- You live in a dense apartment with strong WiFi interference.
- You expect strong long-term firmware support and advanced features.
- You rely heavily on many simultaneous smart home devices.
- You want premium WiFi 6 performance or WiFi 7 future-proofing.
Unique Buyer Trigger
The typical purchase happens when an older WiFi 5 router begins struggling with multiple simultaneous users: streaming in one room, video calls in another, and background downloads causing buffering spikes. Buyers choose the DIR-LX1870 because it promises a low-cost jump into WiFi 6 efficiency (OFDMA, MU-MIMO improvements) without moving to mesh or premium routers. The trigger is “too many devices at once,” not coverage expansion.
What Makes This Model Different
The DIR-LX1870 sits at the lowest practical tier of WiFi 6 routers. It introduces modern standards like OFDMA and MU-MIMO but is constrained by budget hardware, limited ports, and modest real-world throughput scaling. In practice, it improves efficiency over WiFi 5 routers in light-to-moderate usage, but struggles to maintain consistency under heavier multi-device congestion compared to higher-tier AX routers.
Why Buy This Model Instead of Others
Compared with the D-Link DIR-1750, the DIR-LX1870 is more future-oriented due to WiFi 6 support, even though raw performance may feel similar in light usage scenarios.
Compared with the D-Link DIR-882, the DIR-LX1870 improves efficiency in multi-device environments but may feel weaker in peak WiFi 5 throughput stability due to its entry-level AX hardware design.
Compared with upgrading to Asus RT-AX56U, the DIR-LX1870 is significantly cheaper but loses in long-term stability, ecosystem maturity, and performance consistency under load.
If your buying question is: “What is the cheapest way to get WiFi 6 at home?” the DIR-LX1870 fits that role, but it is not designed for demanding or future-heavy networks.
Biggest Strength
Its strongest advantage is cost-efficient WiFi 6 transition. It brings OFDMA-based efficiency improvements that help small households manage multiple connected devices more smoothly than older WiFi 5 routers. For basic streaming, browsing, and smart home use, it reduces congestion-related slowdowns compared to legacy routers, especially in low-interference environments.
Biggest Weakness
Its biggest limitation is hardware ceiling. The AX1800 class design restricts sustained throughput and multi-device scalability, meaning performance drops become noticeable when many devices are active simultaneously. Real-world testing also highlights weaker 2.4 GHz performance and slower configuration responsiveness compared to more capable routers in the same ecosystem.
Position In Product Line
- Upper model: D-Link DIR-X1860 / DIR-X1870 variants with improved hardware tuning or mesh integration options.
- Lower model: Legacy AC1200/AC1750 WiFi 5 routers offering cheaper but less efficient performance.
- Parallel alternative: TP-Link Archer AX23 provides similar AX1800 performance but is often considered more stable in long-term firmware support.
Ideal Use Cases
- Streaming HD or light 4K video in a small household.
- Supporting video calls and browsing across multiple devices.
- Replacing an old WiFi 5 router with minimal budget.
- Running basic smart home devices like plugs and sensors.
- Providing stable WiFi in apartments without heavy congestion.
Better Alternatives
- Choose Asus RT-AX56U if you want stronger long-term performance and ecosystem reliability.
- Choose TP-Link Archer AX23 if you want a more stable AX1800 competitor with strong community support.
- Choose D-Link DIR-882 if you still prioritize WiFi 5 peak throughput over WiFi 6 efficiency.
- Choose mesh WiFi 6 systems if your issue is coverage gaps rather than router capacity.
The D-Link DIR-LX1870 is best understood as a “budget entry point into WiFi 6,” where the main value is modernization rather than high-performance networking or long-term scalability.