D-Link Switch Black Friday Deals 2026: What to Buy in the US

Should you choose DGS-108 or DGS-1100-08V2?

An unmanaged model is easier to place beside a television or desk where all devices share one network. A managed model is more useful where a router and access points already use separate networks. Buying management without configuring it does not itself separate cameras, guests or work devices.

Does a D-Link switch provide PoE?

Only a model explicitly specified for the required PoE output should be used to power equipment. Do not infer PoE from the DGS family name or eight-port layout. Some products are powered by PoE themselves, which is a different capability from supplying PoE to connected devices.

For a PoE candidate, compare the supported standard, number of powered ports and total output budget. A switch with enough sockets can still lack enough power for all the access points. The non-PoE DGS-108 should be priced as a data switch, without credit for functions it does not supply.

Which version and seller should you compare?

Hardware revisions can affect support downloads and available features. Record the model suffix and revision from the listing and use the matching manufacturer documentation. If a marketplace page mixes old and new pictures, the selected item description and seller confirmation matter more than the first review you read.

For a replacement, count the router uplink and any inter-switch connection before deciding that eight ports will be enough. Leave room around the power connector and Ethernet plugs. A compact fanless desktop unit can be convenient, but it still needs a location where cables do not pull it off the shelf.

Count usable connections, including the uplink

A switch port used to connect the router is no longer available for an endpoint. The same applies to a connection between two switches. This is why an eight-port unit can be a more economical purchase than two small boxes even when the small model has the more dramatic discount. Compare the number of useful endpoint connections left in the finished installation, then allow for a realistic next device.

Check whether advertised uplinks are separate sockets or shared combo connections. A combo port may offer a choice of media rather than two simultaneously usable interfaces. Also distinguish the rate of an individual port from the total switching-capacity figure. Adding the rates of several ports does not create that speed for a single computer. A diagram showing the router, storage and busiest clients can reveal whether a second fast uplink will be useful or will simply remain empty.

Make VLAN and management features work together

A managed switch is most useful when its controls solve a specific network problem. VLANs can separate traffic into different logical networks, while monitoring can help identify a poor link or busy port. The router, switch and access point must agree on how those networks are carried. Buying one VLAN-capable component does not automatically isolate the whole installation or define which networks may communicate.

Before moving a working network, save the existing configuration and record the management address and uplink settings. Change a small part first and check both internet access and local services. A device may browse the web while losing access to a printer or NAS on another network. Confirm whether the features you need work through standalone management or depend on a controller. The simplest suitable management arrangement is usually easier to maintain than a collection of optional features that nobody has configured or documented.

Test the switch with the traffic that matters

After installation, check the negotiated speed of the important links before judging performance. A cable or endpoint can make a multi-gig port connect at a lower rate. Test a known-good short cable and a second endpoint where practical, then check the manufacturer’s diagnostics. An internet speed test alone cannot show whether a faster local NAS path is working because the broadband service may be the limiting connection.

Run a sustained local transfer and use several devices together, especially if the purchase was intended to improve shared storage. Confirm that the switch restarts cleanly and that managed settings persist. For a PoE installation, test all intended powered devices together rather than one at a time. Listen for fan behaviour in the real location and leave ventilation around the unit. These checks should happen while the seller’s return process is still available, with the original packaging and supplied power equipment kept together.

Check both ends of the connection before upgrading one

A faster interface only helps traffic that can use a faster path. For a local file transfer, that path includes the computer, adapter, switch, uplink and storage server. The disks and file protocol can also limit throughput. For internet traffic, the broadband service may remain the constraint even after the local Ethernet link improves. This is why a network upgrade can be excellent for NAS work without changing a speed-test result.

Reserve the faster equipment for the connections that carry the demanding traffic. Televisions, printers and occasional-use devices may not need the same rate as the workstation copying large files. A mixed-speed network can be sensible when the links negotiate supported rates correctly. Check cable condition and termination before replacing equipment after a disappointing test. A known-good short cable and a second supported endpoint can help isolate whether the problem is the adapter, switch port, long cable run or the storage workload itself.

Judge the complete offer against a recent price baseline

Use the recent selling price of the same model and configuration as the comparison where price history is available. A large percentage reduction against a manufacturer’s reference price can coexist with a much smaller saving against the normal market price. Check the selected variation, seller, delivery charge and any membership or coupon condition before comparing two offers. A discount requiring a paid membership is worth a different amount to somebody who does not already have it.

There is no universal percentage that makes networking hardware a good buy. A modest reduction on the exact device that fits can be more useful than a large reduction on the wrong interface or an oversized bundle. Compare the complete working installation with a suitable alternative, including required cables, power supplies and controllers. We do not describe an offer as an all-time low without supporting history, and a product recommendation does not mean that the model currently carries a Black Friday promotion.