What does SCSI (Sync) mean?

SCSI (Sync) is a synchronous transfer mode in the SCSI protocol where data transfers occur in sync with a negotiated clock, providing higher throughput than asynchronous methods.

Why convert from SCSI (Sync) to IDE (UDMA-33)?

Users convert to compare or estimate data rates between modern SCSI storage and legacy IDE devices for benchmarking, configuration, or migration.

Can this conversion guarantee actual device speeds?

No, the conversion is idealized and based on theoretical rates; real-world speeds depend on hardware and system conditions.

How to Convert from SCSI (Sync) to IDE (UDMA-33)?

Convert data transfer rates from SCSI (Sync) mode to IDE (UDMA-33) using this easy-to-use online converter. Understand the differences and apply conversions for legacy and server storage device performance comparison.

SCSI (Sync)

IDE (UDMA-33)

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

SCSI (Sync) to IDE (UDMA-33) Conversion Table

SCSI (Sync)	IDE (UDMA-33)

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.

SCSI (Sync) to IDE (UDMA-33) Conversion Table
SCSI (Sync)	IDE (UDMA-33)

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What Is This Tool?

This tool converts data transfer rates from the synchronous SCSI protocol mode to the IDE (UDMA-33) transfer mode. It helps users compare performance between high-throughput SCSI storage and legacy IDE devices.

How to Use This Tool?

Enter the data transfer value in SCSI (Sync) units.
Select the target conversion unit as IDE (UDMA-33).
Click the convert button to see the equivalent value.
Use the results for device comparison, configuration, or reporting.

Key Features

Converts data transfer values from SCSI (Sync) to IDE (UDMA-33)
Uses standardized conversion ratios based on negotiated transfer speeds
Useful for legacy hardware benchmarking and configuration
Browser-based and easy to use without installation
Provides example conversions for quick reference

Examples

1 SCSI (Sync) equals approximately 0.1515 IDE (UDMA-33).
10 SCSI (Sync) convert to about 1.515 IDE (UDMA-33).

Common Use Cases

Comparing data transfer rates between synchronous SCSI storage and legacy IDE devices.
Benchmarking performance for server and workstation storage systems.
Configuring BIOS or controller modes on older PCs for correct DMA settings.
Managing legacy hardware in data centers and IT infrastructure.
Evaluating appropriate drives and cables when upgrading older systems.

Tips & Best Practices

Verify the compatibility of your hardware before relying on conversion results.
Use this tool as a guide for theoretical transfer rates rather than guaranteed speeds.
Ensure cables and controllers support IDE UDMA-33 mode for accurate comparisons.
Consider device age and technology limitations when interpreting results.
Perform multiple measurements to assess real-world performance variability.

Limitations

The conversion reflects theoretical or negotiated rates and not actual throughput.
Physical factors like controller compatibility and cable quality may affect speed.
IDE (UDMA-33) is an older standard with lower data transfer rates than modern interfaces.
Hardware overhead and system conditions can cause variance from converted values.

Frequently Asked Questions

What does SCSI (Sync) mean?: SCSI (Sync) is a synchronous transfer mode in the SCSI protocol where data transfers occur in sync with a negotiated clock, providing higher throughput than asynchronous methods.
Why convert from SCSI (Sync) to IDE (UDMA-33)?: Users convert to compare or estimate data rates between modern SCSI storage and legacy IDE devices for benchmarking, configuration, or migration.
Can this conversion guarantee actual device speeds?: No, the conversion is idealized and based on theoretical rates; real-world speeds depend on hardware and system conditions.

Key Terminology

SCSI (Sync): A synchronous transfer mode of the SCSI protocol where data is transmitted synchronized to a negotiated clock cycle, enabling higher and more deterministic throughput.
IDE (UDMA-33): Also called ATA/33, a parallel ATA data transfer mode for IDE devices using DMA, with a maximum theoretical burst speed of about 33.3 MB/s.
Data Transfer Rate: The speed at which data is moved from one device to another, typically measured in bytes per second.

Quick Knowledge Check

What does the SCSI (Sync) mode refer to?

Asynchronous data transfer in SCSI devices

Synchronous transfer using a negotiated clock for data rate

Legacy parallel ATA mode for IDE hard drives

What is IDE (UDMA-33) primarily used for?

High throughput server storage arrays

Legacy PATA drives with Direct Memory Access at 33.3 MB/s

Modern SATA SSD devices

Why should conversion results be used cautiously?

Because they depend on manufacturer warranties

Because actual throughput varies due to hardware and system factors

Because IDE is faster than SCSI (Sync)

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