Gigabytes per second (GB/s) to Tebibits per second (Tib/s) conversion

What is gigabytes per second?

Gigabytes per second (GB/s) is a unit used to measure data transfer rate, representing the amount of data transferred in one second. It is commonly used to quantify the speed of computer buses, network connections, and storage devices.

Gigabytes per Second Explained

Gigabytes per second represents the amount of data, measured in gigabytes (GB), that moves from one point to another in one second. It's a crucial metric for assessing the performance of various digital systems and components. Understanding this unit is vital for evaluating the speed of data transfer in computing and networking contexts.

Formation of Gigabytes per Second

The unit "Gigabytes per second" is formed by combining the unit of data storage, "Gigabyte" (GB), with the unit of time, "second" (s). It signifies the rate at which data is transferred or processed. Since Gigabytes are often measured in base-2 or base-10, this affects the actual value.

Base 10 (Decimal) vs. Base 2 (Binary)

The value of a Gigabyte differs based on whether it's in base-10 (decimal) or base-2 (binary):

• Base 10 (Decimal): 1 GB = 1,000,000,000 bytes = $10^9$ bytes
• Base 2 (Binary): 1 GiB (Gibibyte) = 1,073,741,824 bytes = $2^{30}$ bytes

Therefore, 1 GB/s (decimal) is $10^9$ bytes per second, while 1 GiB/s (binary) is $2^{30}$ bytes per second. It's important to be clear about which base is being used, especially in technical contexts. The base-2 is used when you are talking about memory since that is how memory is addressed. Base-10 is used for file transfer rate over the network.

Real-World Examples

• SSD (Solid State Drive) Data Transfer: High-performance NVMe SSDs can achieve read/write speeds of several GB/s. For example, a top-tier NVMe SSD might have a read speed of 7 GB/s.
• RAM (Random Access Memory) Bandwidth: Modern RAM modules, like DDR5, offer memory bandwidths in the range of tens to hundreds of GB/s. A typical DDR5 module might have a bandwidth of 50 GB/s.
• Network Connections: High-speed Ethernet connections, such as 100 Gigabit Ethernet, can transfer data at 12.5 GB/s (since 100 Gbps = 100/8 = 12.5 GB/s).
• Thunderbolt 4: This interface supports data transfer rates of up to 5 GB/s (40 Gbps).
• PCIe (Peripheral Component Interconnect Express): PCIe is a standard interface used to connect high-speed components like GPUs and SSDs to the motherboard. The latest version, PCIe 5.0, can offer bandwidths of up to 63 GB/s for a x16 slot.

Notable Associations

While no specific "law" directly relates to Gigabytes per second, Claude Shannon's work on information theory is fundamental to understanding data transfer rates. Shannon's theorem defines the maximum rate at which information can be reliably transmitted over a communication channel. This work underpins the principles governing data transfer and storage capacities. [Shannon's Source Coding Theorem](https://www.youtube.com/watch?v=YtfL палаток3dg&ab_channel=MichaelPenn).

What is a Tebibit per Second?

A tebibit per second (Tibps) is a unit of data transfer rate, specifically used to measure how much data can be transmitted in a second. It's related to bits per second (bps) but uses a binary prefix (tebi-) instead of a decimal prefix (tera-). This distinction is crucial for accuracy in computing contexts.

Understanding the Binary Prefix: Tebi-

The "tebi" prefix comes from the binary system, where units are based on powers of 2.

• Tebi means $2^{40}$.

Therefore, 1 tebibit is equal to $2^{40}$ bits, or 1,099,511,627,776 bits.

Tebibit vs. Terabit: The Base-2 vs. Base-10 Difference

It is important to understand the difference between the binary prefixes, such as tebi-, and the decimal prefixes, such as tera-.

• Tebibit (Tib): Based on powers of 2 ($2^{40}$ bits).
• Terabit (Tb): Based on powers of 10 ($10^{12}$ bits).

This difference leads to a significant variation in their values:

• 1 Tebibit (Tib) = 1,099,511,627,776 bits
• 1 Terabit (Tb) = 1,000,000,000,000 bits

Therefore, 1 Tib is approximately 1.1 Tb.

Formula for Tebibits per Second

To express a data transfer rate in tebibits per second, you are essentially stating how many $2^{40}$ bits are transferred in one second.

$$\text{Data Transfer Rate (Tibps)} = \frac{\text{Number of bits}}{\text{Time (in seconds)} \times 2^{40}}$$

For example, if 2,199,023,255,552 bits are transferred in one second, that's 2 Tibps.

Real-World Examples of Data Transfer Rates

While tebibits per second are less commonly used in marketing materials (terabits are preferred due to the larger number), they are relevant when discussing actual hardware capabilities and specifications.

1. High-End Network Equipment: Core routers and switches in data centers often handle traffic in the range of multiple Tibps.
2. Solid State Drives (SSDs): High-performance SSDs used in enterprise environments can have read/write speeds that, when calculated precisely using binary prefixes, might be expressed in Tibps.
3. High-Speed Interconnects: Protocols like InfiniBand, used in high-performance computing (HPC), operate at data rates that can be measured in Tibps.

Notable Figures and Laws

While there's no specific law or figure directly associated with tebibits per second, Claude Shannon's work on information theory is foundational to understanding data transfer rates. Shannon's theorem defines the maximum rate at which information can be reliably transmitted over a communication channel. For more information read Shannon's Source Coding Theorem.