PETME guides, newest bench check first.https://petme.sk/en-gbhttps://petme.sk/en/guides/cpu-sockets-and-chipsets/https://petme.sk/en/guides/cpu-sockets-and-chipsets/Checked on the bench 12 October 2026. How to tell whether a processor fits a motherboard. The AM4, AM5, LGA1700 and LGA1851 sockets, chipsets, memory type, and why the board maker's CPU support list has the final say.Mon, 12 Oct 2026 00:00:00 GMTPC componentshttps://petme.sk/en/guides/ram-ddr4-vs-ddr5/https://petme.sk/en/guides/ram-ddr4-vs-ddr5/Checked on the bench 12 October 2026. The difference between DDR4 and DDR5, why they are not interchangeable, what MT/s means, dual-channel mode, and why four modules can run slower than two.Mon, 12 Oct 2026 00:00:00 GMTPC componentshttps://petme.sk/en/guides/ssd-nvme-vs-sata/https://petme.sk/en/guides/ssd-nvme-vs-sata/Checked on the bench 12 October 2026. The difference between SATA and NVMe drives, what M.2 means, PCIe 4.0 and 5.0, the theoretical maximums of each interface, and why an M.2 slot does not automatically mean NVMe.Mon, 12 Oct 2026 00:00:00 GMTPC componentshttps://petme.sk/en/guides/pc-power-supply/https://petme.sk/en/guides/pc-power-supply/Checked on the bench 12 October 2026. How to work out what wattage of power supply you need, what TDP and TGP mean, why graphics card makers recommend a higher wattage, and what the 12V-2×6 connector is.Mon, 12 Oct 2026 00:00:00 GMTPC componentshttps://petme.sk/en/guides/graphics-card-size-and-power/https://petme.sk/en/guides/graphics-card-size-and-power/Checked on the bench 12 October 2026. How to check that a graphics card will fit your case, how many slots it takes up, what power it needs, and what the DisplayPort and HDMI outputs on the card mean.Mon, 12 Oct 2026 00:00:00 GMTPC componentshttps://petme.sk/en/guides/how-to-choose-a-laptop/https://petme.sk/en/guides/how-to-choose-a-laptop/Checked on the bench 12 October 2026. What to look at when choosing a laptop – processor, memory, storage, display, ports, USB-C charging and upgradeability. No prices and no rankings, just how to read a specification sheet.Mon, 12 Oct 2026 00:00:00 GMTLaptopshttps://petme.sk/en/guides/laptop-usb-c-charging/https://petme.sk/en/guides/laptop-usb-c-charging/Checked on the bench 12 October 2026. What the EU common charger directive means for laptops from 28 April 2026, what USB Power Delivery is, the label with minimum and maximum power, and how to choose a charger.Mon, 12 Oct 2026 00:00:00 GMTLaptopshttps://petme.sk/en/guides/laptop-ergonomics-and-stands/https://petme.sk/en/guides/laptop-ergonomics-and-stands/Checked on the bench 12 October 2026. Why a stand and an external keyboard help during long sessions on a laptop, which distances and dimensions the Slovak regulation on work with display screens sets out, and what to look for when choosing a stand.Mon, 12 Oct 2026 00:00:00 GMTLaptopshttps://petme.sk/en/guides/monitor-resolution-and-refresh-rate/https://petme.sk/en/guides/monitor-resolution-and-refresh-rate/Checked on the bench 12 October 2026. How resolution, refresh rate and interface bandwidth relate to each other. When HDMI 2.0 is enough, when you need DisplayPort 2.1 or HDMI 2.1, and what DSC does.Mon, 12 Oct 2026 00:00:00 GMTPeripherals and connectorshttps://petme.sk/en/guides/usb-and-connectors/https://petme.sk/en/guides/usb-and-connectors/Checked on the bench 12 October 2026. How to make sense of the USB 2.0, USB 3.2, USB4 and Thunderbolt labels, the difference between a connector and an interface, and how to find out what a port and cable can really do.Mon, 12 Oct 2026 00:00:00 GMTPeripherals and connectorshttps://petme.sk/en/guides/external-drives-and-enclosures/https://petme.sk/en/guides/external-drives-and-enclosures/Checked on the bench 12 October 2026. How an external drive enclosure works, why a 3.5″ drive needs its own power adapter, how to choose the USB interface for an enclosure, and what speed to expect.Mon, 12 Oct 2026 00:00:00 GMTStorage and backuphttps://petme.sk/en/guides/3-2-1-backup/https://petme.sk/en/guides/3-2-1-backup/Checked on the bench 12 October 2026. What the 3-2-1 rule means, why one external drive is not enough, how to combine a local backup, a second medium and an off-site copy, and how to test your backup.Mon, 12 Oct 2026 00:00:00 GMTStorage and backuphttps://petme.sk/en/guides/wifi-6-6e-7/https://petme.sk/en/guides/wifi-6-6e-7/Checked on the bench 12 October 2026. The difference between Wi-Fi 5, 6, 6E and 7, what the 6 GHz band, 320 MHz channels and Multi-Link Operation bring, and why network speed is set by the weakest device and your internet connection.Mon, 12 Oct 2026 00:00:00 GMTNetworkinghttps://petme.sk/en/guides/cooling-and-cleaning/https://petme.sk/en/guides/cooling-and-cleaning/Checked on the bench 12 October 2026. How to safely clean dust out of a desktop or laptop, how airflow works in a case, when to replace thermal paste, and what to watch out for with laptops.Mon, 12 Oct 2026 00:00:00 GMTMaintenance and repairhttps://petme.sk/en/guides/right-to-repair-eu/https://petme.sk/en/guides/right-to-repair-eu/Checked on the bench 12 October 2026. An overview of the rules that apply to computers and laptops – the common USB-C charger, the directive on the repair of goods, replaceable batteries and the take-back of electrical waste under the Slovak Waste Act.Mon, 12 Oct 2026 00:00:00 GMTMaintenance and repairhttps://petme.sk/en/guides/upgrade-or-replace-pc/https://petme.sk/en/guides/upgrade-or-replace-pc/Checked on the bench 12 October 2026. How to find out what is slowing your computer down, which upgrades are worth it (SSD, RAM, graphics card), when you hit the limits of the platform, and how operating system support affects the decision.Mon, 12 Oct 2026 00:00:00 GMTMaintenance and repair