JW552 Dell 300GB 10K RPM 16MB Buffer SAS-3GBPS LFF HDD is a type of computer hard disk drive (HDD) that is commonly used in servers and storage systems. In this article, we will explore what each of these specifications means and why they are important.
The first specification we will discuss is the capacity of the JW552 Dell HDD. It has a storage capacity of 300GB, which means it can store up to 300 billion bytes of data. This makes it suitable for storing large amounts of data such as operating systems, applications, and user files.
The second specification is the rotational speed of the HDD. The JW552 Dell HDD has a rotational speed of 10,000 revolutions per minute (RPM). The faster the RPM, the faster the HDD can read and write data. This means that the JW552 Dell HDD can access data more quickly than a slower HDD, which is particularly important in applications where speed is critical, such as in servers and storage systems.
The third specification is the buffer size of the HDD. The JW552 Dell HDD has a buffer size of 16 megabytes (MB). The buffer acts as a temporary storage area for data that is being read from or written to the disk. A larger buffer size means that more data can be held in the buffer, which can improve overall performance.
The fourth specification is the interface type of the HDD. The JW552 Dell HDD uses a Serial Attached SCSI (SAS) interface. SAS is a high-speed interface that is commonly used in servers and storage systems. It offers faster data transfer rates than other interfaces such as SATA, which makes it suitable for applications that require high performance.
The fifth specification is the data transfer rate of the interface. The JW552 Dell HDD has a data transfer rate of 3 gigabits per second (Gbps). This means that data can be transferred to and from the HDD at a rate of 3 billion bits per second. A faster data transfer rate means that data can be accessed more quickly, which is important in applications where speed is critical.
The final specification is the form factor of the HDD. The JW552 Dell HDD has a large form factor (LFF), which means that it is designed to fit into larger servers and storage systems. LFF HDDs are larger and offer more storage capacity than small form factor (SFF) HDDs, which are designed for smaller devices such as laptops and desktop computers.
In Summary, the JW552 Dell 300GB 10K RPM 16MB Buffer SAS-3GBPS LFF HDD is a high-performance HDD that is suitable for use in servers and storage systems. Its fast rotational speed, large buffer size, high-speed SAS interface, fast data transfer rate, and large form factor make it an ideal choice for applications that require high performance and large storage capacity.
General Information about the Dell JW552
- Manufacturer: Dell
- Part Number or SKU# JW552
- Product Type: Hard Disk Drive
- Product Name: 300GB 10K RPM SAS-6GBPS
- 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
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- Powervault MD1000
Contact us or ask for live chat/help if you have any questions about the compatibility of this item to ensure the model's matching features with your current system.
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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