Megabyte per second to Mebibyte per second
MBps
MiBps
Conversion History
| Conversion | Reuse | Delete |
|---|---|---|
1 MBps (Megabyte per second) → 0.95367431640625 MiBps (Mebibyte per second) Just now |
Quick Reference Table (Megabyte per second to Mebibyte per second)
| Megabyte per second (MBps) | Mebibyte per second (MiBps) |
|---|---|
| 1 | 0.95367431640625 |
| 12.5 | 11.920928955078125 |
| 50 | 47.6837158203125 |
| 100 | 95.367431640625 |
| 500 | 476.837158203125 |
| 1,000 | 953.67431640625 |
| 7,000 | 6,675.72021484375 |
About Megabyte per second (MBps)
A megabyte per second (MB/s or MBps) equals 8,000,000 bits per second and is the practical unit that most users encounter when watching a download progress bar. A 100 Mbps broadband connection downloads at up to 12.5 MB/s; a USB 3.0 drive transfers at 50–100 MB/s; an NVMe SSD reads at 3,000–7,000 MB/s. Understanding MB/s alongside Mbps resolves the common frustration of seeing a "1 Gbps" plan deliver "only" 125 MB/s — the two figures are consistent, not contradictory.
A 100 Mbps home broadband plan delivers up to 12.5 MB/s in a download manager. A USB 3.2 flash drive typically writes at 50–200 MB/s.
About Mebibyte per second (MiBps)
A mebibyte per second (MiB/s) equals 1,048,576 bytes per second and is the binary unit most commonly seen in operating system disk and memory bandwidth reports. Linux tools like dd, rsync, and hdparm report I/O speeds in MiB/s. Windows Task Manager and Resource Monitor use MB/s, which is decimal. A USB 2.0 high-speed connection peaks at about 60 MiB/s; a SATA SSD reads at 500–600 MiB/s; an NVMe SSD reaches 3,500–7,000 MiB/s.
Running dd on Linux to test disk speed shows results in MiB/s. A SATA III SSD typically reads at around 550 MiB/s.
Megabyte per second – Frequently Asked Questions
Why does copying files to a USB drive slow down partway through?
Many USB drives use a small SLC cache for initial writes at high MB/s, then slow dramatically once the cache fills and data writes to slower TLC/QLC NAND. A drive that starts at 200 MB/s might drop to 20–30 MB/s after the first few gigabytes. Check sustained write speed reviews, not just peak numbers.
What MB/s do I need for video editing?
Editing 4K ProRes footage requires about 200–400 MB/s of sustained read speed. 8K RAW can demand 1,000+ MB/s. A SATA SSD (550 MB/s) handles 4K fine, but 8K workflows really need NVMe drives at 3,000+ MB/s. The timeline scrubbing experience directly correlates with MB/s.
How do I tell if a speed test result is in MB/s or Mbps?
Look at the capitalisation: lowercase "b" (Mbps) means megabits, uppercase "B" (MB/s) means megabytes. Most speed test websites (Speedtest by Ookla, fast.com) default to Mbps. If your result seems 8× lower than expected, you are probably reading MB/s where you expected Mbps.
What is the fastest consumer storage in MB/s as of 2026?
PCIe 5.0 NVMe SSDs hit 12,000–14,000 MB/s sequential read speeds. That is fast enough to load an entire 50 GB game in about 4 seconds. PCIe 6.0 drives, expected soon, will double this again to roughly 25,000 MB/s.
Why is network file sharing slower than local disk speed?
Network transfers add latency, protocol overhead (SMB, NFS), and are limited by the network link speed. A file on a local NVMe SSD reads at 7,000 MB/s, but sharing it over a 1 Gbps network caps throughput at 125 MB/s. Even 10 GbE only gives 1,250 MB/s — a fraction of modern SSD capability.
Mebibyte per second – Frequently Asked Questions
Why does dd report in MiB/s while manufacturers advertise in MB/s?
dd uses binary units because Linux filesystems work in binary block sizes (4 KiB, etc.). Drive manufacturers use decimal MB/s because it makes speeds look about 5% higher and aligns with their decimal capacity marketing. A "550 MB/s" SSD shows roughly 524 MiB/s in dd.
How do I benchmark my disk speed in MiB/s on Linux?
Run "dd if=/dev/zero of=testfile bs=1M count=1024 oflag=direct" and it will report write speed in MiB/s. For read speed, use "dd if=testfile of=/dev/null bs=1M". The oflag=direct flag bypasses filesystem cache to measure actual disk performance.
Is 550 MiB/s the same as 550 MB/s?
No — 550 MiB/s is about 577 MB/s, and 550 MB/s is about 524 MiB/s. The ~5% difference means an SSD advertised at 550 MB/s will show around 524 MiB/s in Linux tools. It is not a defect or false advertising, just different unit systems measuring the same physical speed.
What MiB/s should I expect from a RAID array?
A RAID 0 stripe of two SATA SSDs gives roughly 1,000–1,100 MiB/s sequential reads. Four NVMe SSDs in RAID 0 can hit 12,000–14,000 MiB/s. RAID 5/6 arrays sacrifice some write speed for redundancy — expect 70–90% of raw stripe performance on writes.
Why is random I/O speed so much lower than sequential MiB/s?
Sequential reads let the drive stream data from contiguous locations, maximising throughput. Random I/O forces the controller to seek different addresses, adding latency per operation. An NVMe SSD might do 7,000 MiB/s sequential but only 50–80 MiB/s random (at 4 KiB block size), because the bottleneck shifts from bandwidth to IOPS.