D-Link
D-Link WiFi Smart Router AC1900 Wireless Dual Band MU-MIMO Powerful Dual Core Processor Fast Gaming & 4K Streaming Reliable Coverage (DIR-878), Black
Bottom line: The D-Link WiFi Smart Router AC1900 Wireless Dual Band MU-MIMO Powerful: AC1900 dual-band: 600 Mbps on 2.4GHz plus 1,300 Mbps on 5GHz; main trade-off: wi-Fi 5 (802.11ac) only, no Wi-Fi 6 or 6E for newer devices.
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Pros & Cons
Pros
- ✓ AC1900 dual-band: 600 Mbps on 2.4GHz plus 1,300 Mbps on 5GHz
- ✓ MU-MIMO with 3x3 data streams for 4K streaming across multiple devices
- ✓ Four external antennas plus AC Smart Beam tracking for whole-home range
- ✓ Dual-core processor drives both wired and wireless traffic
- ✓ Intelligent QoS prioritizes gaming and streaming traffic per client
Cons
- ✗ Wi-Fi 5 (802.11ac) only, no Wi-Fi 6 or 6E for newer devices
- ✗ WPA/WPA2 encryption only, no WPA3 support
- ✗ No USB port for network storage or printer sharing
- ✗ Four external antennas make for a bulky desk footprint
Manufacturer description
The AC1900 MU-MIMO WiFi Router delivers premium performance for today’s most demanding tasks: HD streaming, gaming, and multiple device usage. It comes packed with speeds of up to1,900 Mbps (600 Mbps in 2.4GHz + 1,300 Mbps in 5GHz ), a high-performance dual-core processor, AC Smart Beam Technology, Intelligent Quality of Service (QoS) with traffic prioritization, four high-performance external antennas for maximum range, a new user interface, Smart Connect and with an easy setup.The DIR-878 is the perfect combination of performance and ease of use.The AC1900 Wireless Router comes with3x3…
SpecPicks Verdict
SpecPicks scored D-Link WiFi Smart Router AC1900 Wireless Dual Band MU-MIMO Powerful… using a rating × review-volume × price-fit model applied to published specs and reviews across the networking category. D-Link's networking lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for networking of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Stream, game, and more: Enjoy 4K/HD video and online gaming simultaneously with 3x3 data streams and 4 high performance antennas
- Dual Core Processor: The dual Core Processor gives you powerful wired and wireless network speeds
- Multi user MIMO technology: Significantly improves simultaneous streaming on multiple devices
- Advanced Smart Beam: Tracks your connected devices for enhanced Wi-Fi speed and range throughout your home
- Advanced quality of service: Bandwidth optimization through client prioritization
- Connect securely: Supports WPA/WPA2 encryption for home network security
Full Specifications
| Brand | D-Link |
|---|---|
| Color | Black |
| Voltage | 120240 volts |
| Coverage | Extensive |
| Frequency | 5 GHz |
| Model Name | DIR-878 |
| Unit Count | 1 Count |
| Antenna Type | Fixed |
| Connectivity | Wireless, WiFi |
| Model Number | DIR-878 |
| Built-In Media | DIR-878 Device, Ethernet Cable, Power Adapter, Quick Installation Guide, Wi-Fi Configuration Card |
| Control Method | App |
| Item Type Name | D-Link WiFi Smart Router AC1900 Wireless Dual Band MU-MIMO Powerful Dual Core Processor Fast Gaming & 4K Streaming Reliable Coverage (DIR-878) |
| Connection Type | Wired |
| Controller Type | App Control |
| Mfr Part Number | DIR-878/LNA |
| Number of Ports | 4 |
| Special Feature | WPS |
| Antenna Location | Gaming |
| Connect securely | Supports WPA/WPA2 encryption for home network security |
Ready to buy?
D-Link WiFi Smart Router AC1900 Wireless Dual Band MU-MIMO Powerful Dual Core Processor Fast Gaming & 4K Streaming Reliable Coverage (DIR-878), Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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