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Sometimes—but not reliably. Powerline adapters can improve responsiveness if they replace a weak or unstable Wi-Fi connection, but they do not inherently lower ping. The result depends on your home’s wiring, electrical interference, and outlet placement. Measure performance in the room where you plan to use them before deciding.
How powerline adapters affect ping
A powerline network carries data over a home’s electrical wiring. A basic setup uses at least two adapters: connect one to the router with Ethernet and the other to the device in the target room. NETGEAR’s setup FAQ explains the paired arrangement.
Ping is the time it takes for a packet to travel to a destination and back. A powerline connection adds a different path between your device and router; whether that path is better than Wi-Fi depends on the conditions at both ends. The manufacturer guidance cited here does not establish a general ping reduction or a universal latency figure. A powerline link may help when Wi-Fi is weak or interference-prone, but only a comparison at your own outlets can show whether it does.
What determines performance in your home?
Wiring, circuit path, and distance
Powerline adapters use your home’s electrical conductors, so wiring condition and the path between outlets matter. NETGEAR says a connection may work across closed circuit breakers, but attenuation and noise affect its quality. Across multiple electrical phases, performance may drop noticeably or the adapters may fail to communicate. Distance can matter, but NETGEAR’s guidance says wiring age and the number of appliances can have a greater effect than distance alone.
#1 Best Overall
- 𝐄𝐱𝐭𝐞𝐧𝐝 𝐘𝐨𝐮𝐫 𝐄𝐭𝐡𝐞𝐫𝐧𝐞𝐭 𝐂𝐨𝐧𝐧𝐞𝐜𝐭𝐢𝐨𝐧 𝐓𝐡𝐫𝐨𝐮𝐠𝐡 𝐘𝐨𝐮𝐫 𝐄𝐥𝐞𝐜𝐭𝐫𝐢𝐜𝐚𝐥 𝐒𝐲𝐬𝐭𝐞𝐦 - This device is meant for for areas where thick walls block Ethernet connections, where routers or range extenders do not work. Compatible with all TP-Link powerline adapters.
- 𝐀𝐕𝟏𝟎𝟎𝟎 𝐒𝐩𝐞𝐞𝐝𝐬 𝐔𝐩 𝐭𝐨 𝟕𝟓𝟎 𝐅𝐞𝐞𝐭 - Powered by HomePlug AV2, delivers AV1000 powerline speeds through existing electrical wiring. Speeds cannot exceed your internet plan's limit and may be lower due to wiring quality, distance, and interference.
- Ideal for multi-story homes, basements, attics, and garages.
- 𝐂𝐡𝐞𝐜𝐤 𝐛𝐞𝐟𝐨𝐫𝐞 𝐲𝐨𝐮 𝐛𝐮𝐲 - Adapters must be plugged directly into wall outlets on the same electrical circuit. Does not work with power strips, surge protectors, or extension cords. Place away from large appliances, such as washing machines, refrigerators, and air conditioners.
- 𝐀𝐝𝐯𝐢𝐬𝐨𝐫𝐲 - Performance may be limited or blocked in homes with AFCI breakers, which are standard in many homes built after 2000. Powerline may also not work with routers or gateways using modified, open-source (e.g., DD-WRT), or non-standard firmware.
Electrical noise and outlet accessories
Appliances can interfere with data transmission over electrical wiring. NETGEAR states, “Every appliance on your electrical line generates noise, or interference, for Powerline transmission.” TP-Link also identifies motors in washing machines, air conditioners, fans, and kitchen appliances, along with some phone and laptop power supplies, as potential sources of line noise.
Plug each adapter directly into a wall outlet. NETGEAR warns that power strips, surge protectors, UPS units, and extension cords can reduce the data rate or block communication; TP-Link likewise recommends a direct wall connection and trying alternate outlets. If a link is poor, test another outlet rather than assuming the adapters or your internet service are at fault.
Rank #2
- EXTEND YOUR ETHERNET CONNECTION THROUGH YOUR ELECTRICAL SYSTEM - This device is meant for individuals that are not able to extend their Ethernet connections where routers or range extenders do not work. Speed cannot exceed your internet plan’s limit.
- HOMEPLUG AV2 - Delivers AV2000 powerline speeds over existing electrical wiring, extending home network wired connectivity by up to 750ft through thick walls and other barriers. Ideal for multi-story homes, basements, attics, and garages.
- CHECK BEFORE YOU BUY - Adapters must be plugged directly into wall outlets on the same electrical circuit. Does not work with power strips, surge protectors, or extension cords. Place away from large appliances, such as washing machines, refrigerators, and air conditioners.
- ADVISORY - Performance may be limited or blocked in homes with AFCI breakers, which are standard in many homes built after 2000. Powerline may also not work with routers or gateways using modified, open-source (e.g., DD-WRT), or non-standard firmware.
- 2 GIGABIT PORTS - Provides a secure wired network for connected devices, such as desktops, smart TVs, game consoles, and more. Ethernet cables are included. Tip: Expand connections with an Ethernet switch (sold separately).
Throughput is not ping
A powerline adapter’s advertised rate is not the same as the throughput an application will receive, and neither number tells you by itself what ping will be. TP-Link explains that the box or product specification gives the maximum physical-layer rate, not actual throughput. Its support page gives a vendor-specific rule of thumb that actual throughput is typically 20–30% of the declared rate, depending on wiring. That is not a universal guarantee and is not a latency estimate.
Do these 3 things before closing this tab:
1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteFor illustration, TP-Link describes powerline rates of 364 Mbps and 56 Mbps under the interference conditions in its example, with estimated throughput of about 73–109 Mbps. Those figures illustrate a throughput difference, not a prediction for your home or a measure of ping. Environmental factors, operating overhead, transport protocols, and error handling also affect data rates, according to NETGEAR. Multiple powerline networks on the same wiring share throughput.
Rank #3
- 𝐄𝐱𝐭𝐞𝐧𝐝 𝐘𝐨𝐮𝐫 𝐄𝐭𝐡𝐞𝐫𝐧𝐞𝐭 𝐂𝐨𝐧𝐧𝐞𝐜𝐭𝐢𝐨𝐧 𝐓𝐡𝐫𝐨𝐮𝐠𝐡 𝐘𝐨𝐮𝐫 𝐄𝐥𝐞𝐜𝐭𝐫𝐢𝐜𝐚𝐥 𝐒𝐲𝐬𝐭𝐞𝐦 - This device is meant for individuals that are not able to extend their Ethernet connections where routers or range extenders do not work. Speeds cannot exceed your internet plan’s limit.
- 𝐇𝐨𝐦𝐞𝐏𝐥𝐮𝐠 𝐀𝐕𝟐 - Delivers AV1000 powerline speeds over existing electrical wiring, extending home network wired connectivity through thick walls and other barriers. Ideal for multi-story homes, basements, attics, and garages.
- 𝐂𝐡𝐞𝐜𝐤 𝐛𝐞𝐟𝐨𝐫𝐞 𝐲𝐨𝐮 𝐛𝐮𝐲 - Adapters must be plugged directly into wall outlets on the same electrical circuit. Does not work with power strips, surge protectors, or extension cords. Place away from large appliances, such as washing machines, refrigerators, and air conditioners.
- 𝐀𝐝𝐯𝐢𝐬𝐨𝐫𝐲 - Performance may be limited or blocked in homes with AFCI breakers, which are standard in many homes built after 2000. Powerline may also not work with routers or gateways using modified, open-source (e.g., DD-WRT), or non-standard firmware.
- 𝐆𝐢𝐠𝐚𝐛𝐢𝐭 𝐏𝐨𝐫𝐭 - provides secure wired networks for desktops, smart TVs or games consoles. Ethernet cables are included.
TP-Link describes 300 meters as a maximum range in its troubleshooting guidance, while noting that noise, interference, and line quality can reduce effective range. Treat that as a manufacturer-stated maximum, not a promise that a connection will be usable at that distance. TP-Link’s troubleshooting guidance covers outlet placement and other performance considerations.
How to test whether powerline lowers ping for you
Compare the same device, destination, and approximate time period so the results are as useful as possible. This is a suggested way to evaluate your own setup, not a result from a controlled product test.
Rank #4
- EXTEND YOUR ETHERNET CONNECTION THROUGH YOUR ELECTRICAL SYSTEM - This device is meant for areas where thick walls block Ethernet connections, where routers or range extenders do not work. Compatible with all TP-Link powerline adapters.
- AV600 SPEEDS UP TO 750 FEET - Delivers AV600 powerline speeds through existing electrical wiring. Speeds cannot exceed your internet plan's limit and may be lower due to wiring quality, distance, and interference.
- Ideal for multi-story homes, basements, attics, and garages.
- CHECK BEFORE YOU BUY - Adapters must be plugged directly into wall outlets on the same electrical circuit. Does not work with power strips, surge protectors, or extension cords. Place away from large appliances, such as washing machines, refrigerators, and air conditioners.
- ADVISORY - Performance may be limited or blocked in homes with AFCI breakers, which are standard in many homes built after 2000. Powerline may also not work with routers or gateways using modified, open-source (e.g., DD-WRT), or non-standard firmware.
- Record a baseline. From the target device in the room where you plan to use it, measure latency and connection stability over its current Wi-Fi connection. Note ping variation and any packet loss, as well as throughput.
- Connect the adapters. Use Ethernet from the router to the first adapter and from the second adapter to the target device. Plug both adapters directly into wall outlets.
- Repeat the same measurements. Use the same destination and, as far as practical, the same time period. Compare ping, variation, packet loss, and throughput; a single speed-test result does not prove gaming latency improved.
- Try another outlet if needed. Retest from a different wall outlet, and reduce nearby electrical interference where practical. Measure again rather than assuming a change helped.
- Use direct Ethernet as a reference if feasible. A direct Ethernet cable avoids the home’s electrical wiring as the network path. Compare it under similar conditions to understand the performance trade-off against the convenience of powerline.
Choose the connection that works best at the endpoint
Compare measured ping and its variation, packet loss or stability, usable throughput for your internet plan and devices, reliability at the intended room and outlet, installation effort, and cost. Direct Ethernet is a useful reference if you can run cable; otherwise, compare powerline with your existing Wi-Fi or a suitable access point or mesh arrangement. No option is a universal winner across homes.
The Tool Desk
Outbyte PC Repair FREERepair Windows errors before they cause bigger problemsFix Now →Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →If you want to try powerline, look for a matched powerline Ethernet adapter kit and the Ethernet patch cables needed at the router and endpoint. A kit cannot guarantee lower ping. These sources do not provide comparative testing to justify recommending a particular model.
Quick Recap
Best Value
- Use your existing household electrical wiring to extend your existing Internet service to any room in your house..Standards: IEEE 1901 compliant. IEEE 802.3 compliant, this is not a Wi-Fi device
- Homeplug AV2 technology supports Gigabit speeds through your electrical outlets for improved coverage
- Extremely fast Powerline adapter for Gigabit speeds, perfect for connecting your existing internet access to smart TVs, streaming players & game consoles with 4K HD streaming and lag-free gaming through household electrical wiring, this is not a WiFI device
- Extra plug with our noise filtered power outlet built into the adapter to ensure top performance
- Multiple data streams (MIMO) with Beamforming technology to offer improved coverage by directing the signal where you need it through existing household electrical wiring, this is not a Wi-Fi device
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