649401-002 HP 1TB 7.2K RPM SATA Form Factor 3.5 Inches Hot Swap Hard Disk Drive In Tray. Refurbished.

Description

Hot Swap Capability

Hot swapping is the ability to replace or add components to a system without shutting down or interrupting its operations. In the context of a hard disk, hot swapping means that the drive can be removed or inserted into a system while it is still running, without the need to power down or reboot the system.

This is a useful feature in systems that require continuous operation, such as servers or storage systems. With hot swap capability, faulty hard disks can be replaced without downtime, minimizing the impact on business operations. It also allows for the easy expansion of storage capacity, as new drives can be added to the system without the need for system shutdowns or interruptions.

To ensure proper hot swapping, the hard disk must be designed with the appropriate hardware and firmware to support the feature, and the system must also be designed to support it. In addition, hot swapping should be done carefully, following manufacturer instructions, to avoid damage to the drive or the system.

Form Factor and Size

Form factor and size refer to the physical dimensions and shape of a hard disk. These factors are important because they determine whether a hard disk is compatible with a particular system or enclosure.

The form factor of a hard disk is typically described by a number, such as 2.5″ or 3.5″, which indicates the diameter of the disk platters inside the drive. The 3.5″ form factor is the most common for desktop computers and servers, while the 2.5″ form factor is more commonly used for laptops and other portable devices.

In addition to the form factor, hard disks also have a height specification, typically described in millimeters. For example, a 3.5″ hard disk might have a height of 25mm or 15mm, depending on the model. The height specification is important because it determines whether the drive will fit in a particular drive bay or enclosure.

It’s important to note that different form factors and sizes also have different performance characteristics, such as data transfer rates and rotational speeds. When selecting a hard disk, it’s important to consider not only its form factor and size, but also its performance specifications and compatibility with the system or enclosure.

Benefits of 7.2K RPM for Faster Data Access

Hard disk drives (HDDs) spin at a certain speed, measured in revolutions per minute (RPM). The faster the drive spins, the faster it can read and write data, resulting in faster data access. In the case of a 7.2K RPM hard disk, the disk platters spin at 7,200 rotations per minute.

The benefits of a 7.2K RPM hard disk include:

• Faster data transfer rates: A higher RPM means that the read/write head can access data on the disk faster, resulting in faster data transfer rates.
• Improved access times: With faster rotational speed, the hard disk can position the read/write head to the data location faster, resulting in improved access times. This can lead to better overall system performance.
• Enhanced multitasking capabilities: A faster hard disk can handle multiple read/write operations simultaneously, making it easier to multitask with different applications running at the same time.
• Lower latency: A 7.2K RPM hard disk can reduce latency, which is the time it takes for the disk to start reading or writing data. This can improve the overall responsiveness of the system.
• Improved reliability: A faster hard disk can handle more read/write operations without causing wear and tear, leading to improved reliability and longer lifespan of the drive.

General Information

• Manufacturer : HP
• MPN : 649401-002
• Type : Hard Disk Drive (HDD)
• Sub-Type : SATA
• SKU : 649401-002

Technical Information

• Storage Capacity : 1 TB
• Spindle speed : 7200 RPM
• Interface type : Serial ATA-300
• Average seek time : 8.5 MS
• Track-to-track seek time : 1 MS
• Hot-Swap : Yes
• Form Factor : 3.5 x 1/3h
• Dimensions (wxdxh) : 4.4 in x 7.2 in x 1 in
• Min operating temperature : 41 °f
• Max operating temperature : 131 °f

Dimension and Weight

• Width: 4 Inch
• Depth: 5.8 Inch
• Height: 1 Inch
• Weight: 1.52 LBS