![]() ![]() 500GB Samsung 980 PRO M.2 PCIe 4.0 NVMe SSD.There are three M.2 PCIe NVMe SSDs, one AIC PCIe NVMe SSD, one 2.5″ SATA SSD, and one 3.5″ SATA HDD. PCIe 4.0 has twice the bandwidth per lane compared to PCIe 3.0. The latest generation video cards from both AMD and NVIDIA support PCIe 4.0. In my case, I have an AMD Radeon 5700XT video card that is PCIe 4.0. You can minimize any possible impact from this by using a PCIe 4.0 video card instead of a PCIe 3.0 video card. This might sound bad, but it is actually not a problem for most scenarios. That means eight PCIe lanes instead of sixteen lanes. If you use the 2nd or 3rd M.2 slot (even for a PCIe 3.0 device), it causes the primary PCIe slot to go from PCIe 4.0 x16 down to x8. Benchmarking software will basically show you just how well your hard drive or SSD performs at quickly retrieving data from random locations.The B550 AORUS MASTER has three M.2 PCIe 4.0 slots that are all connected to the CPU. Also measured in megabytes per second, benchmarking software will show you how quick and effective the storage device is at saving pieces of information at random locations on the disc.Īs you can imagine, 4K random read is similar, only that it benchmarks how effective reading data from random locations on the hard drive or SSD. As far as 4K random write goes, this is another disc access pattern where 4K blocks of data are written to - you guessed it - random locations of the hard or SSD. 4K Random Read and WriteĪnother test you’ll find on benchmarking software is 4K (an Advanced Format, see definition here) random read and write. This is also measured in megabytes per second. This disk access pattern is similar to that of sequential read, except that it happens when you’re writing (installing) large files to the drive, such as videos, music, photos, etc. a process that happens when you’re installing software). Sequential write speeds are another disk access pattern used to write blocks of data to a location on the hard drive or SSD (e.g. It’s usually measured in megabytes per second in benchmarking software. Sequential read is essentially a disk access pattern where the user is accessing a large chunk of data (e.g. It will test the sequential read and write speeds of the hard drive. One of the tests will be a sequential test. ![]()
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