What does IDE (UDMA-33) stand for?

IDE (UDMA-33), also known as ATA/33 or Ultra DMA mode 4, is a Parallel ATA data-transfer mode used in older hard drives and optical drives, providing a maximum burst rate of about 33.3 MB/s.

How is a kilobyte per second (SI) defined?

A kilobyte per second (SI definition) is a data rate where 1 kB/s equals 1000 bytes per second, using decimal prefixes rather than binary ones.

Why convert IDE (UDMA-33) to kilobytes per second?

Converting to kilobytes per second standardizes legacy PATA transfer speeds into units common in modern digital communication and storage metrics.

Convert IDE (UDMA-33) to Kilobyte/second (SI Definition) Online

Easily convert data transfer rates from IDE (UDMA-33) to kilobyte per second (SI definition) using our straightforward online converter. Perfect for benchmarking legacy hardware and comparing transfer speeds.

IDE (UDMA-33)

Kilobyte/second (SI def.)

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IDE (UDMA-33) to Kilobyte/second (SI def.) Conversion Table

IDE (UDMA-33)	Kilobyte/second (SI def.)

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Start Value

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End Value

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IDE (UDMA-33) to Kilobyte/second (SI def.) Conversion Table
IDE (UDMA-33)	Kilobyte/second (SI def.)

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What Is This Tool?

This online converter allows you to transform data transfer rates from IDE (UDMA-33), a legacy PATA transfer mode, into kilobyte per second using the decimal SI definition. It helps quantify and compare older data interfaces in terms commonly used today.

How to Use This Tool?

Enter the value in IDE (UDMA-33) units you want to convert
Select IDE (UDMA-33) as the source unit and kilobyte/second (SI def.) as the target unit
Click the convert button to view the result in kilobytes per second
Use the result to compare or report data transfer speeds in standard SI units

Key Features

Converts IDE (UDMA-33) transfer rates to kilobyte per second (SI definition)
Uses a precise conversion factor reflecting the maximum theoretical burst rate
Suitable for benchmarking and troubleshooting legacy PATA drives
Easy-to-use, browser-based interface requiring no installation
Supports comparison of legacy and modern transfer units

Examples

1 IDE (UDMA-33) equals 33,000 kilobytes per second
0.5 IDE (UDMA-33) corresponds to 16,500 kilobytes per second

Common Use Cases

Reporting transfer speeds of older PATA hard drives and optical drives
Configuring or troubleshooting BIOS/controller modes on legacy PCs
Comparing legacy PATA drive performance with modern storage standards
Documenting storage I/O and backup rates using SI prefixes
Specifying embedded device or sensor data throughput in standard units

Tips & Best Practices

Remember that IDE (UDMA-33) rates represent theoretical burst speeds, not sustained performance
Note the difference between decimal kilobytes and binary kilobytes to avoid confusion
Ensure compatible hardware and quality cables to achieve accurate transfer rates
Use SI-based units for clear communication in modern digital and networking contexts

Limitations

IDE (UDMA-33) speeds are maximum theoretical values and may not reflect actual performance
Kilobyte/second (SI def.) uses decimal prefixes differing from binary data units common in computing
Legacy hardware and cable quality can limit achievable transfer speeds

Frequently Asked Questions

What does IDE (UDMA-33) stand for?: IDE (UDMA-33), also known as ATA/33 or Ultra DMA mode 4, is a Parallel ATA data-transfer mode used in older hard drives and optical drives, providing a maximum burst rate of about 33.3 MB/s.
How is a kilobyte per second (SI) defined?: A kilobyte per second (SI definition) is a data rate where 1 kB/s equals 1000 bytes per second, using decimal prefixes rather than binary ones.
Why convert IDE (UDMA-33) to kilobytes per second?: Converting to kilobytes per second standardizes legacy PATA transfer speeds into units common in modern digital communication and storage metrics.

Key Terminology

IDE (UDMA-33): A legacy parallel ATA data transfer mode with up to 33.3 MB/s maximum burst rate, used in older hard drives and optical drives.
Kilobyte per second (SI definition): A data transfer rate equal to 1000 bytes per second, using decimal prefixes rather than binary.
Burst Rate: The maximum rate at which data can be transferred in a short burst during a transfer operation.

Quick Knowledge Check

What is the maximum theoretical burst rate of IDE (UDMA-33)?

33.3 MB/s

50 MB/s

100 MB/s

What does 1 kilobyte per second (SI def.) equal?

1024 bytes per second

1000 bytes per second

1,024,000 bytes per second

Which of the following is a common use case for converting IDE (UDMA-33) speeds?

Configuring modern SSDs

Benchmarking legacy PATA drives

Measuring internet bandwidth

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