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Seagate ST6000NM020B 3.5" 6 TB Internal Hard Disk Drive

Seagate ST8000VN004 3.5" 8 TB Internal Hard Disk Drive

Seagate ST8000NT001 3.5" 8 TB Internal Hard Disk Drive

Seagate ST20000NM007D 16 TB Hard Disk Drive

Seagate ST20000NT001 3.5" 20 TB Internal Hard Disk Drive

Seagate ST16000NM007H 16TB Internal Hard Drive Enclosure

Seagate ST20000NM002H 20 TB Internal Hard Drive Enclosure


Hard drives, or hard disk drives, are fundamental components for data storage in modern devices. They play a crucial role in enabling PCs, desktops, laptops, and various systems to store and retrieve information.

Hard drives can come in various forms including internal hard drives, which are physically built-in and mounted onto computer PCBs, or they can be external hard drives, offering portable storage used outside the main unit itself.

## **What are HDDs?**

HDDs, or Hard Disk Drives, represent a traditional form of data storage that has been in use for a long time. These hard drives rely on several mechanical components to function. When your computer needs to access or save data, an internal controller directs these mechanical parts to the precise location where the information is stored. The device then reads or writes the data at that specific address, allowing you to successfully store or retrieve your data.

## **Types of Hard Drives**

Hard drives in NZ come in various forms, each designed to meet different storage needs and performance demands.

### **Internal Hard Drives**

These are storage devices physically built into computers, desktops, or laptops and mounted directly onto their Printed Circuit Boards (PCBs). Internal hard drives serve as the primary storage for the operating system, applications, and user data, offering high capacity and seamless integration for everyday computing.

### **External Hard Drives**

Unlike internal drives, external hard drives are portable storage devices used outside the main computer unit in NZ. They connect via USB or other interfaces, making them ideal for backing up data, expanding storage capacity for multiple devices, or transferring large files between systems. They offer convenience and flexibility for users on the go.

### **Solid State Drives (SSDs)**

SSDs are a modern form of flash-based or flash memory storage, with capacities typically given in MB, GB, or TB. They earn the name "Solid State Drive" because they use electric charge to store data, rather than physical moving parts found in traditional Hard Disk Drives (HDD). This absence of movement means no components will wear out from friction, contributing to the general reliability of these drives and long lifespan.

## **Benefits of HDDs**

Hard Disk Drives (HDDs) offer a range of distinct advantages, making them a reliable and practical choice for various data storage needs.

- **Proven Technology:** HDDs utilise a mature and well-established technology, meaning their performance characteristics and reliability are well understood and extensively tested.
- **Cost-Effective:** Hard Disk Drives (HDDs) typically offer a significantly lower cost per gigabyte compared to SSDs, making them an economical solution for storing large volumes of data in NZ.
- **High Storage Capacity:** HDDs are available in very high capacities, often reaching many terabytes, making them ideal for archiving large files, media collections, and extensive backups.
- **Long Lifespan:** With proper care, HDDs can offer a long operational lifespan, particularly when used for data archiving or less frequent access tasks.
- **Ease of Upgrade:** Upgrading an HDD often involves a straightforward replacement process, especially in older desktop computers and external enclosures.
- **Compatibility:** HDDs boast broad compatibility with a vast range of older and newer computer systems, operating systems, and various hardware interfaces.

## **SSD vs. HDD**

The SSD, or Solid State Drive, offers a significant performance upgrade over the traditional Hard Disk Drive (HDD), primarily due to its speed. Unlike the HDD, which relies on multiple mechanical components, the SSD contains no moving parts. This design difference allows SSDs to be much smaller and require less power to operate.

This lack of movement means SSDs have a much lower failure rate than HDDs, contributing to their enhanced reliability.You can even use an SSD alongside your current HDD; storing your operating system on an SSD, for instance, will greatly decrease your PC or laptop's initial start-up time and improve overall responsiveness.

## **What is a NAND?**

Negative-AND (NAND) is a type of flash memory storage technology designed to retain data even without power. At its core, NAND memory chips contain the actual memory cells where data is stored. 

There are various types of NAND memory cells, including SLC (single-level cell), MLC (multi-level cell), and TLC (triple-level cell), each offering different levels of data density and performance.

## **Factors to Consider When Choosing the Right Hard Drive**

Selecting the ideal hard drive involves evaluating several key factors to ensure it meets your specific storage, performance, and compatibility needs.

- **Capacity:** This refers to the total amount of data the hard drive can store, typically measured in gigabytes (GB) or terabytes (TB). Choose a capacity that accommodates your current data storage requirements, allowing room for future growth.
- **Form Factor:** Hard drives come in various physical sizes in NZ, most commonly 2.5-inch for laptops and SSDs, and 3.5-inch for desktop computers.
- **Interface:** The interface defines how the hard drive connects to your computer or system. [Common interfaces include SATA](https://nz.rs-online.com/web/content/discovery/ideas-and-advice/sata-cables-guide) (for most modern HDDs and SSDs), NVMe (for high-speed SSDs), and [USB](https://nz.rs-online.com/web/content/discovery/ideas-and-advice/usb-cable-guide) (for external drives).
- **Performance:** This is measured by factors like read/write speeds, which significantly impact how quickly data can be accessed or saved. SSDs offer superior performance to HDDs, making them ideal for operating systems and frequently accessed applications.
- **Security:** For sensitive data, consider hard drives with built-in encryption features (e.g., hardware encryption) or the ability to implement robust password protection. External drives may also offer physical security features.

## **Applications of Hard Drives**

Hard drives are indispensable components serving as the backbone for data storage across a vast array of industries and personal uses.

- **Personal Computing:** Essential for everyday use in laptops, desktops, and all-in-one PCs, storing operating systems, applications, documents, photos, and personal files for individual users.
- **Gaming:** High-capacity hard drives store extensive game libraries and facilitate quick loading times for complex game environments, crucial for both PC and console gaming experiences.
- **Enterprise & Data Center Applications:** Hard drives, including both HDDs and SSDs, form the core storage infrastructure for servers, cloud computing, and large databases in NZ, handling massive amounts of critical business data.
- **Media & Surveillance:** Used extensively in Network Video Recorders (NVRs) and Digital Video Recorders (DVRs) for continuous recording and storage of high-definition video footage from surveillance cameras.
- **Creative & Professional Workflows:** Indispensable for professionals in fields like video editing, graphic design, and music production, providing vast storage for large project files and fast access for demanding workloads.

## **Find the Perfect HDD for Your Needs!**

RS NZ is your trusted supplier and distributor of a comprehensive range of high-quality hard drives from leading brands, including [InnoDisk](https://nz.rs-online.com/web/b/innodisk), [Transcend](https://nz.rs-online.com/web/b/transcend/), and [Samsung](https://nz.rs-online.com/web/b/samsung/). Explore our extensive online catalog to find the ideal internal hard drive, portable hard drive, [industrial USB cables](https://nz.rs-online.com/web/c/cables-wires/computer-cables/usb-cables/), or [RS-232 cables](https://nz.rs-online.com/web/c/cables-wires/computer-cables/serial-cables/) to meet your data storage and connectivity requirements for any project.

To place an order with RS New Zealand, simply browse our extensive online catalog, select your desired hard drives and related products, and proceed to our secure checkout. We offer a variety of payment options for your convenience.

For detailed information regarding our delivery services, including estimated delivery times and associated costs within New Zealand, please visit our dedicated [Delivery Information](https://nz.rs-online.com/web/content/support/all-articles/delivery) page.



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