Description
Advantages of SAS over SATA
S (Serial Attached SCSI) and SATA (Serial ATA) are two different types of interface technologies used to connect storage devices to a computer system. Here are some of the advantages of SAS over SATA:
- Speed: SAS is generally faster than SATA, with a maximum data transfer rate of 12 Gbps compared to SATA’s maximum of 6 Gbps. This speed advantage makes SAS a better choice for high-performance storage applications.
- Scalability: SAS allows for more devices to be connected to a single controller compared to SATA. SAS supports up to 65,536 devices, while SATA only supports up to 32 devices per controller.
- Reliability: SAS is designed for enterprise-level applications and offers features such as error checking and correction and data redundancy to ensure data integrity. SAS is generally considered more reliable than SATA.
- Flexibility: SAS is backward compatible with SATA devices, which means that SAS controllers can support both SAS and SATA drives. This makes SAS more versatile and allows for greater flexibility in system design.
- Hot-swapping: SAS supports hot-swapping, which means that drives can be added or removed from a system without powering it down. This feature makes it easier to replace failed drives or to add capacity to a system without disrupting its operation.
- Longer cable length: SAS cables can be longer than SATA cables, allowing for greater flexibility in system design. SAS cables can reach up to 10 meters in length, while SATA cables are limited to around 1 meter.
Overview of SAS Technology
SAS (Serial Attached SCSI) is a type of interface technology used to connect storage devices, such as hard drives and solid-state drives, to a computer system. SAS technology builds upon the SCSI (Small Computer System Interface) standard and provides a serial, point-to-point connection between the storage device and the computer system. Here is an overview of the key features of SAS technology:
- Speed: SAS technology provides faster data transfer rates than its predecessor, SCSI. The current SAS standard provides a maximum data transfer rate of 12 Gbps, which is twice the speed of the previous SAS standard and four times the speed of SATA.
- Scalability: SAS supports up to 65,536 devices per controller, which is much higher than SATA’s limit of 32 devices per controller. This high scalability makes SAS ideal for large storage environments.
- Reliability: SAS provides several reliability features, including error detection and correction, data redundancy, and hot-swapping, which allow for the replacement of a drive without powering down the system. These features ensure data integrity and prevent data loss.
- Compatibility: SAS controllers can support both SAS and SATA drives, which makes them more flexible than SCSI controllers. This compatibility allows for a mix of SAS and SATA drives in the same system.
- Cable Length: SAS supports longer cable lengths than SATA, with cable lengths up to 10 meters compared to SATA’s maximum of 1 meter.
- Multiple Initiators: SAS technology supports multiple initiators, which allows multiple computers to share access to the same storage devices. This feature is useful in high-availability storage environments.
Benefits of 10K RPM Speed
A hard disk drive’s (HDD) rotational speed is measured in revolutions per minute (RPM). A 10,000 RPM HDD is faster than a 7,200 RPM HDD, and here are some of the benefits of 10K RPM speed:
- Faster Data Access: A 10K RPM HDD can access data faster than a 7,200 RPM HDD because the platter is spinning at a faster rate. This faster access time can result in quicker boot times, faster application loading, and improved overall system performance.
- Improved File Transfer Rates: A 10K RPM HDD can transfer data at a faster rate than a 7,200 RPM HDD. This faster transfer rate is especially beneficial when copying large files or performing data-intensive tasks.
- Better Performance in High-Volume Workloads: A 10K RPM HDD is better suited for high-volume workloads because it can handle a higher number of I/O requests per second (IOPS). This means that the drive can process more read/write requests simultaneously, resulting in improved performance.
- Enhanced Gaming Experience: Gamers who store games on their hard drives can benefit from the faster access times and improved transfer rates of a 10K RPM HDD. This can result in shorter load times, smoother gameplay, and an overall better gaming experience.
- Suitable for RAID Configurations: A 10K RPM HDD is often used in RAID (Redundant Array of Independent Disks) configurations because of its faster access time and improved I/O capabilities. This can result in improved data redundancy, faster data transfer rates, and better overall system performance.
General Information
- Manufacturer Name: Hewlett Packard Enterprise (HPE)
- MPN: EG0450FBVFM
- Type: Hard drive – hot-swap
- HDD Type: SAS 6 GBPS
- SKU: EG0450FBVFM
Performance
- Drive Transfer Rate: 600 MBps (External)
- Spindle Speed: 10000 RPM
Dimension and Weight
- Width : 2.8 Inch
- Depth : 3.9 Inch
- Height : 0.6 Inch
- Weight : 0.50 LBS
Expansion & Connectivity
- Interfaces: 1 x Serial Attached SCSI 2
- Compatible Bays: 1 x hot-swap – 2.5 inch SFF
Compatibility Information
- ProLiant BL Series: BL420c (G1- G7) BL460c (G1- G7) BL465c (G1- G7) BL660c (G1- G7)
- ProLiant DL Series: DL120 (G1- G7) DL160 (G1- G7) DL180 (G1- G7) DL320e (G1- G7) DL360 (G1- G7) DL360e (G1- G7) DL388 (G9)
- ProLiant DL Series: DL360p (G1- G7) DL380 (G1- G7) DL380e (G1- G7) DL380p (G1- G7) DL385p (G1- G7) DL560 (G1- G7) DL580 (G1- G7)
- ProLiant ML Series: ML110 (G1- G7) ML150 (G1- G7) ML310e (G1- G7) ML350 (G1- G7) ML350e (G1- G7) ML350p (G1- G7)
- ProLiant SL Series: SL230s (G1- G7) SL250s (G1- G7) SL270s (G1- G7)
- ProLiant XL Series: XL170r XL190r XL220a XL230a XL250a
- HPE Storage arrays: D3700 D2220sb StoreEasy 1830 1840
