TP-Link TL-SG1016D 16-Port Gigabit Switch: features, specs and who it suits

The TP-Link TL-SG1016D is a 16-port Gigabit Ethernet switch. It takes one network connection and shares it among up to 16 wired devices, such as computers, printers, game consoles, network storage and cameras. It needs no setup: you plug it in and connect cables. Here is what its specs mean and where it fits.

What an unmanaged switch does

A switch connects wired devices on the same local network and passes traffic between them. "Unmanaged" means there is no menu, login or settings page. The switch learns on its own which device sits on which port, which TP-Link describes as MAC address auto-learning and auto-aging, with an 8K address table. In general, that table size is plenty for a home or small-office network.

If you need to set up virtual networks, prioritise traffic or monitor ports, you would need a managed switch instead. For plain extra ports, unmanaged is simpler.

Gigabit ports and auto-negotiation

All 16 ports are RJ45 and run at 10/100/1000Mbps with auto-negotiation. Each port detects the speed of the device plugged in and settles on the fastest one both sides support, so older 100Mbps equipment and newer Gigabit gear can share the same switch. The ports also support Auto-MDI/MDIX, which means you don't need special crossover cables; a standard Ethernet cable works whichever way round the connection goes.

The switch is rated at 32Gbps of backplane bandwidth. That is 16 ports at 1Gbps each, in both directions, so in theory every port can run flat out at once without the switch itself becoming the bottleneck.

Jumbo frames and standards

TP-Link lists support for 10KB jumbo frames. Standard Ethernet frames carry about 1,500 bytes of data; jumbo frames carry more per packet, which can reduce overhead during large transfers such as backups to network storage. Every device on the path has to be set up for them, so they are mostly of interest to people who already know they need them.

The listed standards are IEEE 802.3, 802.3u, 802.3ab and 802.3x, plus CSMA/CD and TCP/IP.

Energy saving and cooling

TP-Link says its energy-efficient technology can cut power use by up to 40 percent. The listing says this applies when ports are idle or cables are short; check the manual for exactly how it behaves. The case is metal and fanless, so it makes no fan noise, which matters for a desk or a quiet room.

Desktop or rack mounting

The switch is sold as a desktop or rackmount unit. It measures about 11.6 x 7.1 x 1.7 inches and weighs about 2 lb, so it stands on a shelf or desk easily. Rack ears are typically a standard 19-inch fit, but check the box contents for the brackets and screws. TP-Link backs it with a 3-year warranty and technical support during weekday hours.

What to check before you buy

• You have enough ports. Count current devices and allow for a few more.
• Your router or upstream connection can supply Gigabit speeds; the switch cannot make the internet connection itself faster.
• Whether you need power over Ethernet. This model lists none, so devices such as cameras or access points need their own power.
• Where it will sit and how long the cables need to be, and whether you will use a shelf or a rack.
• That the mounting hardware you need is included in the box.
• Follow the manual and local electrical codes when connecting the power supply.

The short version

• 16 ports at 10/100/1000Mbps with auto-negotiation and Auto-MDI/MDIX.
• 32Gbps backplane bandwidth and an 8K MAC address table.
• Unmanaged, plug and play, with no configuration.
• Fanless metal case for desktop or rack use.
• Rated by TP-Link for up to 40 percent power savings, with a 3-year warranty.

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