It's Amazon Prime Day, so it's the perfect time for an impulse purchase. We've compiled a list of 13 cool, budget-friendly gadgets, tools, and gizmos that you can get for just $13. There's a whole heap of fill-your-drawer stuff here to sink your teeth into. There are kits to fix PCs and clean up grubby keyboards, network switches, and WiFi adapters to get yourself online, and plenty of cables and stands to keep things tidy. We've grouped them together, too, to help you get to the sections you're most interested in.Arctic M2 Pro Heatsink Cooler for $5Half-price rotating headphone hanger for $11.99TP-Link five-port Gigabit Ethernet switch for under $8Check out more Amazon Prime Day tech dealsCables and adaptersCables are often the forgotten part of our tech arsenal, but they're essential and, if you're careful about it, cheap to buy. We need 'em to charge all of your gadgets and hook them up to your screens and speakers. Adapters, too, help us connect one type to another. If you're in need, these are the cables you want.A full 1-meter (3.3FT) USB Type-C to USB Type-C cable that supports up to 100W is always useful, but this retractable cable from UGreen keeps things neat and tidy. Throw it in your bag and don't worry about untangling a mess of wires while commuting: it's just ready when you need it.View DealA two-pack of USB Type-C to Type-C cables. Exciting! These are perfect for a car, especially as they're coiled, which reduces their size to 1.3ft, while still giving you a max length of 3.3ft. These support fast PD 3.0 charging, so you can get your smartphones and tablets charged in fast order. They're braided, too, for extra durability.View DealThis nine-pack of HDMI adapters will live in your junk drawer until called upon to save the day. These are one of those "I may need these one day" purchases that get you out of a tight spot. These adapters come in various configurations.View DealToolsThese are some must-have, inexpensive tools on sale during Amazon Prime Day to keep close at hand. Clean, build, repair, and all for less than $13.This keyboard cleaning kit features a whole host of tiny tools to help you clear away dirt, grime, and anything else you can think of. All of the tools are housed in a neat multi-tool arrangement, and you get tools to remove dirt and detritus from every aspect of your digital devices. Key cap puller, brushes, lens cleaning, a spray bottle of isopropyl alcohol, metal pins to remove earwax from headphones, and a sponge to keep grease marks off your screen. View DealWith sixteen 14mm driver bits, a knurled handle and a great ABS plastic case, this is a tiny, yet powerful addition to your EDC or go-bag.View DealPC AccessoriesBuilding or repairing a PC doesn't have to come with a huge price tag. There's a whole host of must-buys here, from top-rated thermal paste to SD card readers and Gigabit Ethernet switches to get yourself online faster.Coming third in our best thermal paste guide, this is an excellent thermal paste from Thermalright.In our review, we noted that it has excellent thermal performance, delivering great stability as a result. This paste is easy to use and clean up when reapplication is required.View DealNo gimmicks, no fuss, this GPU support brace will stop your (most likely very expensive) GPU from sagging and breaking in your (again, very expensive) gaming rig. If you're spending hundreds or thousands, don't cheap out on the support to keep it safe!View DealNeed a cheap, effective way to keep a bunch of NVMe SSDs cool? This Arctic deal won't hurt your wallet and will keep your drives icy while running.View DealThis SD card reader is from budget-friendly Ugreen and has been previously recommended by Tom's Hardware staffers in the past. With it, you can read microSD, SD, Compact Flash, and Sony Memory Stick cards. Whenever there is a panicked "I've lost the adapter for my camera's memory card" during the holidays, you'll have what you need to save the day with this reader in your pocket.View DealA five-port Ethernet switch for less than $10 is a typo, right? Nope. It's not fancy, it's unmanaged, no PoE, and it "only" has Gigabit ports, but when you need a few extra Ethernet ports, this sub $10 switch is a great deal to keep working.View DealThe TP-Link Litewave 5-Port Gigabit Ethernet Switch LS1005G provides four additional Ethernet ports, delivering reliable, high-speed wired internet for your gaming PC, NAS, console, TV, and other connected devices. Another popular Tom's Hardware recommendation and one that several of us own ourselves.View DealYou've got an old PC, and it doesn't have Wi-Fi. You don't want to spend a ton of money to give it Wi-Fi. This under-$13 Wi-Fi 6 USB dongle will give you the Wi-Fi connection you need at decently fast speeds.It works without a driver for Windows 10 and 11, and it will most likely work with Linux, but you'll need to take an extra step.View DealDesk AccessoriesDon't cover your desk with trash. Instead, fill it with these essential accessories, on sale for Prime Day to help you stay organized.Keep your desk tidy with this simple wall mounted hanger for your headphones, along with support for up to two Xbox, PlayStation, Switch or PC gamepads, too.View DealToo many USB cables to deal with on your desk? This UGREEN USB 3.0 splitter hooks up to a USB-A port and provides you with four additional ports to connect other devices, from keyboards and mice to webcams and flash drives.View DealIf you're looking for more savings, check out our Best PC Hardware deals for a range of products, or dive deeper into our specialized SSD and Storage Deals, Hard Drive Deals, Gaming Monitor Deals, Graphics Card Deals, Gaming Chair, Best Wi-Fi Routers, Best Motherboard or CPU Deals pages.You can also join the Tom's Hardware deals Discord for up-to-the-minute hardware deals.