The HT954 is a model number for a 300GB SAS hard drive manufactured by Dell and is designed to work with Dell's PowerEdge servers. It uses the SAS (Serial Attached SCSI) interface, which has a maximum data transfer rate of 3 gigabytes per second (GB/s). SAS is typically used in enterprise environments, such as data centers, because of its higher performance and reliability compared to consumer-grade SATA drives.
The drive has a rotational speed of 10,000 RPM, which means that the disks inside the drive spin at 10,000 revolutions per minute. This speed allows for faster data access and a better performance than lower speed drives like 7.2K RPM. It also has a buffer of 16MB which is used to temporarily store data so that it can be quickly retrieved by the drive's read/write head.
This specific hard drive is intended for use in Dell's PowerEdge servers, and therefore it has been fully tested and validated by Dell to ensure compatibility and reliability when used with these servers. Dell provides specific firmware and software to enhance the performance of this drive and ensure it integrates seamlessly with your Dell PowerEdge server.
Enterprise Hard Disk Drive
The Dell HT954 300GB SAS hard drive is an enterprise-class hard disk drive (HDD) that is specifically designed for use in Dell's PowerEdge servers. The drive uses the SAS (Serial Attached SCSI) interface, which is typically used in enterprise environments, and has a maximum data transfer rate of 3 gigabytes per second (GB/s). This interface provides higher performance and reliability compared to consumer-grade SATA drives.
The drive has a rotational speed of 10,000 RPM, which means that the disks inside the drive spin at 10,000 revolutions per minute. This high speed allows for faster data access and improved performance over lower speed drives such as 7.2K RPM. The drive also has a buffer of 16MB which is used to temporarily store data so that it can be quickly retrieved by the drive's read/write head, further improving the performance of the drive.
The enterprise-class design of the Dell HT954 300GB SAS hard drive is intended to meet the demanding needs of enterprise environments, such as data centers, where data availability and uptime are critical. It is designed to handle heavy workloads and operate for long periods of time, which makes it more reliable and durable than consumer-grade hard drives.
Data Protection and Security
The Dell HT954 300GB SAS hard drive, like other hard drives, does not have any specific data protection or security features built-in. However, when used with a Dell PowerEdge server, it can be used in conjunction with various data protection and security measures that can be implemented at the server or storage level.
In terms of data protection, the drive can be used in a RAID (Redundant Array of Independent Disks) configuration to provide data redundancy and protect against data loss due to drive failure. Dell PowerEdge servers support a variety of RAID levels including RAID 1, RAID 5, RAID 6 and more. These RAID levels provide different levels of data protection and performance.
In terms of security, data can be encrypted at the file or volume level to protect it from unauthorized access. Access to the data can also be controlled through the use of authentication and access controls. Dell PowerEdge servers include features like TPM (Trusted Platform Module) which is a security chip that can be used to secure the data stored on the drive by encrypting it.
Manufacturer Name : Dell
Type : Hard Disk Drive
Capacity : 300GB
Interface : SAS
Buffer : 16MB
Spindle Speed: 10000 RPM
Interface (Detailed): SAS-3GBPS
Hot Swap: Yes
Dimension and Weight
Width : 4 Inch
Depth : 5.8 Inch
Height : 1 Inch
Weight : 1.52 Lbs
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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