It is difficult to determine if the USB3 cable is defective without more information. Some common signs of a defective USB3 cable include intermittent connectivity, slow data transfer speeds, or physical damage such as fraying or exposed wires. It is recommended to try using the cable with different devices or ports to see if the issue persists, and if possible, try using a different USB3 cable to compare performance. If the issues continue, it may be best to replace the cable. **

The Asus M5A78L-M USB3 motherboard supports coolers with an AM3+ socket. Therefore, any cooler that is compatible with AM3+ sockets should fit on your motherboard. It is recommended to check the cooler's specifications and compatibility with AM3+ sockets before purchasing to ensure a proper fit. Some popular cooler options for AM3+ sockets include the Cooler Master Hyper 212 EVO and the Noctua NH-D15. **

The fan on the Asus M5A78L-M USB3 motherboard is generally considered to be quiet and efficient. It helps to keep the motherboard cool during operation, which is important for maintaining optimal performance and longevity of the components. Users have reported that the fan does its job well without creating excessive noise, making it a reliable choice for those looking for a stable and quiet computing experience. **

The Gigabyte 78LMT-USB3 motherboard has a total of four fan headers, allowing for the connection of up to four fans. This provides ample support for cooling and airflow within the computer system. The motherboard's fan headers are strategically placed to accommodate various fan configurations, ensuring efficient cooling for the system components. **

The Gigabyte GA-78LMT-USB3 motherboard supports up to 32GB of DDR3 RAM. This means that it can accommodate a maximum of 4 DDR3 memory modules, each with a capacity of 8GB. This amount of RAM is sufficient for most general computing tasks, as well as some gaming and multimedia applications. However, for more demanding tasks such as video editing or 3D rendering, users may want to consider a motherboard that supports higher RAM capacities. **

The ASRock H61M DG3/USB3 motherboard supports DDR3 RAM. It is recommended to use DDR3 RAM modules with a speed of 1333MHz or 1600MHz for optimal performance. Additionally, the motherboard has two DIMM slots, so it is best to use RAM modules in pairs for dual-channel memory support. It is important to check the motherboard's specifications for the maximum supported RAM capacity and type before purchasing. **

The M5A78L-M LE/USB3 motherboard is compatible with a variety of graphics cards that use a PCI Express 2.0 x16 slot. Some popular graphics cards that are compatible with this motherboard include the NVIDIA GeForce GTX 1050 Ti, AMD Radeon RX 560, and NVIDIA GeForce GT 1030. It is important to check the physical dimensions of the graphics card to ensure it fits in the case and that the power supply can support it. **

The ASUS motherboard M5A78L-M USB3 is compatible with AM3+ socket CPUs, including AMD FX, Phenom II, and Athlon II processors. It also supports up to 95W TDP CPUs. It is important to check the ASUS website for the most up-to-date list of compatible CPUs for this motherboard. **