TESTA A measure of how quickly multiple small files can be read from a device.
4K random read is a disk access pattern whereby small (4K) blocks of data are read from random locations on the surface of the device being tested at a queue depth of one. The term is used primarily within the context of benchmarking and the speed which it is usually measured in, MBps, can be thought of as how effective a device is at quickly retrieving small pieces of data from random locations. This type of access pattern is very common during operating system startup, where lots of configuration and driver files must be read from the disk. Drives that are used to host operating systems will perform much better if they are able to sustain high random read speeds. As a rule of thumb approximately 20% of a typical users overall disk access on a PC will consist of random reads.
4K random read is a disk access pattern whereby small (4K) blocks of data are read from random locations on the surface of the device being tested at a queue depth of one. The term is used primarily within the context of benchmarking and the speed which it is usually measured in, MBps, can be thought of as how effective a device is at quickly retrieving small pieces of data from random locations. This type of access pattern is very common during operating system startup, where lots of configuration and driver files must be read from the disk. Drives that are used to host operating systems will perform much better if they are able to sustain high random read speeds. As a rule of thumb approximately 20% of a typical users overall disk access on a PC will consist of random reads.
2024 Hardware Rankings
 PC Score |
PC Status |
|
|---|---|---|
| 22 secs agoLenovo 80E3 | Surfboard | 27% |
| 56 secs agoMicroelectronics B743 | Tree trunk | 43% |
| 1 min agoB250M PRO OPT BOOST (MS-7A74... | Aircraft carrier | 55% |
| 1 min agoMSI Z390-A PRO (MS-7B98) | Nuclear submarine | 52% |
| 1 min agoAcer Nitro AN515-55 | Battleship | 54% |
| 1 min agoASUS TUF Gaming F15 FX507ZI4... | Aircraft carrier | 23% |
| 1 min agoBiostar B450GT | Aircraft carrier | 73% |
| 1 min agoDell XPS 8940 | UFO | 43% |
| 2 mins agoROG MAXIMUS Z790 DARK HERO | UFO | 90% |
| 2 mins agoAsrock B450M-HDV R4.0 | Aircraft carrier | 48% |
| 2 mins agoGA-Z170X-SOC Force-CF | Aircraft carrier | 53% |
| 3 mins agoAsus PRIME B365M-A | Aircraft carrier | 53% |
| 3 mins agoMSI B450-A PRO (MS-7B86) | Aircraft carrier | 76% |
| 4 mins agoAsus PRIME Z790-P WIFI | UFO | 80% |
| 4 mins agoMSI MAG Z490 TOMAHAWK | UFO | 86% |
| 4 mins agoASUS TUF Gaming A15 FA507NU_... | Tree trunk | 26% |
| 5 mins agoGA-B550M AORUS ELITE | UFO | 61% |
| 5 mins agoGigabyte B450 AORUS M | Tree trunk | 74% |
| 5 mins agoPRO Z790-P WIFI (MS-7E06) | UFO | 76% |
| 6 mins agoROG STRIX B550-F GAMING (WI-... | Tree trunk | 80% |