300GB SAS Hard Drive
A 300GB SAS (Serial Attached SCSI) hard drive is a type of high-performance storage device that is commonly used in enterprise-grade servers and storage systems. SAS is a type of interface that is similar to the more common SATA interface, but it is designed to handle the high-performance demands of enterprise-class applications.
The 300GB capacity of the hard drive provides ample storage space to store large amounts of data. The hard drive may also have a high rotational speed such as 15K RPM, which provides faster data access times, and higher data transfer rates compared to slower RPM hard drives.
Additionally, SAS interface provides faster data transfer speeds and improved scalability, reliability, and security compared to the older SATA interface. SAS also allows for the use of multiple hard drives to be connected to a single controller, allowing for large storage capacity and data redundancy.
The HUS156030VLS600 Hitachi UltraStar 300GB SAS 3GBPS 15K RPM hard drive is a high-performance storage device, designed for use in enterprise-class systems.
The 15,000 RPM rotational speed of the hard drive provides faster data access times and higher data transfer rates compared to lower RPM hard drives. This makes it well suited for applications that require high-speed data access, such as databases, virtualization, and other business-critical applications.
Additionally, the hard drive features a SAS 3 Gbps interface, which provides faster data transfer speeds compared to SAS 1.5 Gbps and SATA interface. This, along with the 300GB capacity of the hard drive, makes it a good choice for environments that require high-performance storage and large amounts of data storage.
The Hitachi UltraStar line of hard drives is also known for its reliability, which is crucial for enterprise-class systems that need to be up and running 24/7.
The "Enterprise" aspect of the HUS156030VLS600 Hitachi UltraStar 300GB SAS 3GBPS 15K RPM hard drive refers to its intended use in enterprise-class systems. These are systems that are typically used in business-critical environments such as data centers, large organizations and other environments that require high-performance storage, large amounts of data storage, and high availability.
Enterprise-class systems have certain requirements that are different from those of consumer-grade or small business systems. They require high-performance storage devices that can handle large amounts of data and provide fast data access and transfer rates. They also require storage devices that can handle the high-availability and high-reliability demands of these environments.
The HUS156030VLS600 hard drive is designed to meet these requirements, with its high-performance features like 300GB capacity, 15K RPM, SAS 3 Gbps interface, and reliability. The Hitachi UltraStar line of hard drives is also known for its reliability, which is crucial for enterprise-class system s that need to be up and running 24/7.
General Information Hitachi HUS156030VLS600
Part Number: HUS156030VLS600
Type: Hard Disk Drive (HDD)
Form Factor 3.5 Inch x 1/3H
Capacity 300 GB
Interface Type Serial Attached SCSI 2
Buffer Size 64 MB
Drive Transfer Rate 600 MBPS (External)
Seek Time 3.4 MS (Average) / 3.4 MS (MAX)
Average Latency 2 MS
Spindle Speed 15000 RPM
Expansion / Connectivity
Interfaces Serial Attached SCSI 2
Compatible Bays 1 x internal - 3.5 Inch x 1/3H
About Refurbished Products
Serial attached SCSI SAS 3gbps hard drives are commonly used in servers and bring with them immense benefits. However, choosing the right hard drive is very important depending on your projects. Avoid putting greater emphasis on the pricing of the hard drives, since it may lead to a complete disaster.
The preserve of the SAS 3Gbps HDD is in servers and high-end workstations where speed considerations are most important. The hard drives are available as 3.5-inch form factor and 2.5-inch form factor depending on your specific applications. These HDDs will process data and complete reads/writes faster than SATA drives – actually, it takes just a fraction of the time. It makes them ideal for enterprise applications since they perform efficiently, faster, and under rigorous conditions. The faster throughput is the idea behind getting SAS hard drives for your applications, seeing that the latest SAS 12Gbps hard disks are super-fast and incorporate RAID hardware controllers.
The throughput of a SAS 3Gbps disk drive is rated at 300 MB/s. Bandwidth typically represents the theoretical maximum level of data that passes through a channel. On the other hand, throughput is the actual measure of how much data actually travels through the channel successfully. Therefore, bandwidth is a theoretical value whereas throughout is the real value.
The key features and capabilities of the popular SAS 3Gbps HDDs are:
- Performance – You will benefit from performance levels that reach 3Gbps (300MB/s throughout), full-duplex transmissions, wide ports for aggregated bandwidth, advanced command queuing, and port aggregation.
- Flexibility – the flexibility of the SAS 3Gbps lies in physical and software compatibility on SATA drives as well as backward-compatibility with SCSI software.
- Scalability – you cannot go wrong with the broad address range allowing connection to physical devices and external storage systems using the long cables and small connectors.
- Reliability and availability – you can achieve point-to-point connections, redundancy paths, and dual active port support with the SAS 3Gbps drives.
We have recommended the SAS 3Gbps to a good number of clients since they are best suited for 24/7 workloads. These hard drives are best suited for servers due to the 100% duty cycle. SAS hot-swap hard drives will always win on the reliability front since they are designed to read/write data throughout the day. The SAS 3Gbps HDD cannot be compared to SATA drives commonly used for desktops that have 20-30% duty cycles. Drive speed is a major determinant of throughput and is measured in RPMs whereby SAS drives will operate at between 7200 and 15000 RPM. For better understanding, the faster a drive rotates, the higher the read/write speeds and the higher the throughput. The net effect will apply for slower drive speeds which negatively impact read/write speed and throughput.
The only downside with the SAS 3Gbps hard drives is the storage capacities available. Generally, SAS hard drive disks have a smaller storage capacity format compared to SATA drives. The common storage sizes available for SAS 3Gbps drives include: 73GB-10K RPM, 146GB-15K RPM, 300GB-15000 RPM, 450GB-15K RPM, 600GB-10K RPM, 1TB1TB-7.2K RPM, and 2TB-7.2K RPM which are ideal for servers and high-end machines used for production content.
SAS cables are required for connection and feature a continuous connector for both power and data. The SAS cable cannot be used to connect SATA controllers using a SATA connector since they carry higher power voltages. A distinctive feature of the SAS cables is that they are more than 30-feet in length compared to SATA cables that can only reach a maximum of 3-feet in length. However, it is possible to connect a SAS drive to a SATA controller using a continuous/SAS connector.
We have different specifications of the SAS 3Gbps hard drive which are ideal for high-performance applications and for highly virtualized environments that typically handle critical applications and high volumes of users.
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