D-Link Powerline AV2

Advantages

• ✓Higher max PHY rate of 2000 Mbps for faster potential throughput.
• ✓More compact single‑port design for tighter spaces.

Disadvantages

• ✗Lacks a passthrough power socket, so an outlet is lost when installed.
• ✗Only one Ethernet port versus DHP-P621AV's dual ports.

Advantages

• ✓Includes a passthrough socket and dual Gigabit ports, unlike the single‑port DHP-601AV.
• ✓Same 1000 Mbps PHY rate but adds outlet usability.

Disadvantages

• ✗Typically larger and may be priced higher than the more basic DHP-601AV.
• ✗No additional performance advantage over DHP-601AV.

Advantages

• ✓Provides Gigabit Ethernet ports and a passthrough socket, far exceeding DHP-209AV's 200 Mbps Fast Ethernet.
• ✓Modern HomePlug AV2 technology versus the older AV standard in DHP-209AV.

Disadvantages

• ✗Much higher cost than the budget‑oriented DHP-209AV.
• ✗Larger physical size compared to the compact DHP-209AV.