What does IDE (UDMA mode 4) represent?

IDE (UDMA mode 4) is a Parallel ATA transfer mode known as Ultra DMA/66, used in legacy PATA drives with speeds up to about 66.7 megabytes per second.

What is an STM-64 (signal)?

STM-64 is a high-capacity synchronous digital signal used in fiber optic networks with a line rate of approximately 10 Gbit/s, equivalent to SONET OC-192.

Why convert between IDE (UDMA mode 4) and STM-64?

This conversion helps compare or integrate legacy IDE data rates with modern synchronous digital signals for benchmarking, network planning, or transitioning legacy metrics.

How to Convert from IDE (UDMA mode 4) to STM-64 (signal)

Convert data transfer rates from IDE (UDMA mode 4) to STM-64 (signal) using this online unit converter. Understand the differences and applications of these two technologies.

IDE (UDMA mode 4)

STM-64 (signal)

Please check your input. It must be a valid numeric value.

IDE (UDMA mode 4) to STM-64 (signal) Conversion Table

IDE (UDMA mode 4)	STM-64 (signal)

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

IDE (UDMA mode 4) to STM-64 (signal) Conversion Table
IDE (UDMA mode 4)	STM-64 (signal)

Explore More Data Transfer Units Converter

What Is This Tool?

This unit converter allows you to translate data transfer values from IDE (UDMA mode 4), a legacy Parallel ATA transfer standard, into STM-64 (signal), a high-speed synchronous digital signal used in modern fiber optic networks.

How to Use This Tool?

Enter the value in IDE (UDMA mode 4) units you wish to convert
Select STM-64 (signal) as the target unit
Execute the conversion to see the equivalent data transfer rate

Key Features

Converts data transfer rates between IDE (UDMA mode 4) and STM-64 (signal)
Browser-based and easy to use without needing additional software
Supports comparison and integration of legacy and modern transfer units

Examples

5 IDE (UDMA mode 4) equals approximately 0.26524 STM-64 (signal)
10 IDE (UDMA mode 4) equals approximately 0.53048 STM-64 (signal)

Common Use Cases

Benchmarking legacy IDE transfer speeds against modern high-capacity signals
Integrating old PATA/IDE data rates into current network planning scenarios
Transitioning storage performance metrics from older hardware to modern optical systems

Tips & Best Practices

Consider the context of obsolete IDE technology when making comparisons
Remember that this conversion is based on theoretical maximum rates
Use this tool to complement benchmarking and planning but verify real-world performance separately

Limitations

Conversion is theoretical and does not include protocol overhead or latency effects
IDE (UDMA mode 4) throughput is much lower than STM-64 signal capabilities
STM-64 operates over fiber optic networks, unlike the parallel ATA bus of IDE

Frequently Asked Questions

What does IDE (UDMA mode 4) represent?: IDE (UDMA mode 4) is a Parallel ATA transfer mode known as Ultra DMA/66, used in legacy PATA drives with speeds up to about 66.7 megabytes per second.
What is an STM-64 (signal)?: STM-64 is a high-capacity synchronous digital signal used in fiber optic networks with a line rate of approximately 10 Gbit/s, equivalent to SONET OC-192.
Why convert between IDE (UDMA mode 4) and STM-64?: This conversion helps compare or integrate legacy IDE data rates with modern synchronous digital signals for benchmarking, network planning, or transitioning legacy metrics.

Key Terminology

IDE (UDMA mode 4): A Parallel ATA transfer mode called Ultra DMA/66 supporting data transfer up to about 66.7 megabytes per second using an 80-conductor cable.
STM-64 (signal): A Synchronous Transport Module level-64 signal in the SDH hierarchy with a line rate around 10 Gbit/s, used in high-capacity fiber networks.
Data Transfer Rate: The speed at which data is moved between devices or systems, often measured in bits or bytes per second.

Quick Knowledge Check

What kind of technology is IDE (UDMA mode 4)?

A fiber optic transmission standard

A Parallel ATA transfer mode for legacy drives

A wireless data transfer method

What is the approximate line rate of STM-64?

About 66.7 megabytes per second

Approximately 10 gigabits per second

Roughly 1 megabit per second

Which of the following is a limitation of this conversion?

It includes protocol overhead and latency

STM-64 has a lower bandwidth than IDE (UDMA mode 4)

The conversion is theoretical and excludes real-world factors

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