SK0-003 · Question #44
Which of the following storage connectors has the FASTEST speed?
The correct answer is C. SAS. Among the listed storage connectors, one offers significantly higher data transfer speeds and is commonly used in enterprise environments for its performance, reliability, and advanced features.
Question
Which of the following storage connectors has the FASTEST speed?
Options
- ASATA
- BSCSI 320
- CSAS
- DIDE
How the community answered
(49 responses)- A4% (2)
- B2% (1)
- C86% (42)
- D8% (4)
Why each option
Among the listed storage connectors, one offers significantly higher data transfer speeds and is commonly used in enterprise environments for its performance, reliability, and advanced features.
SATA (Serial Advanced Technology Attachment) is a consumer-grade serial interface, with common speeds up to 6 Gbps, which is generally slower than modern SAS iterations.
SCSI 320 refers to Ultra320 SCSI, a parallel SCSI standard with a maximum theoretical throughput of 320 MB/s (approximately 2.56 Gbps), which is slower than modern SAS speeds.
Serial Attached SCSI (SAS) is a point-to-point serial protocol that offers higher data transfer rates (e.g., 6 Gbps, 12 Gbps, 24 Gbps) compared to SATA, SCSI 320, and IDE. SAS drives are primarily used in enterprise storage for their speed, reliability, and dual-port redundancy.
IDE (Integrated Drive Electronics), also known as PATA (Parallel ATA), is a very old parallel interface with maximum speeds typically around 133 MB/s, making it significantly slower than all other options.
Concept tested: Storage interface speeds comparison
Source: https://learn.microsoft.com/en-us/windows-hardware/design/device-experiences/serial-attached-scsi-sas-disk-drives
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