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Internal Hard Disk Drives

Find Deals on Internal HDDs for Desktop and Laptop PCs

Internal hard disk drives (HDD) are storage devices used to back up data from your desktop computer, workstation, laptop, notebook or server.

They can range in capacity from 500GB to 1TB for laptops, all the way up to 6TB for desktops and are most commonly available in 2.5 inch & 3.5 inch forms which use a SATA (Serial Advanced Technology Attachment) interface.

3.5 inch hard drives up to 3 terabyte in capacity are typically used with desktop PCs, workstations & servers, while 2.5 inch hard drives are a well-liked choice when upgrading a laptop or a notebook. Being smaller in size they are available in capacity up to 750 GBs.

Buying an Internal Hard Drive - Upgrading / Replacing an existing drive

Aside from adding more memory to an existing laptop / desktop, increasing storage capacity in your computer with a bigger, faster internal hard drive is another popular upgrade path (and a relatively low-cost solution versus buying a whole new PC).

In a desktop PC, you can add a second, third or fourth hard drive to expand your storage capacity, as long as space within the PC case and connectors on your motherboard / power supply allow. On the other hand, in a laptop it's not unusual to be stuck with the factory installed hard drive, unless a DIY upgrade is within your technical capabilities.

When upgrading it’s important to first check which form factor and interface your existing components require, the most common being SAS (Serial Attached SCSI) and SATA (Serial ATA). With traditional hard drives, the reading/writing of data involves spinning mechanical parts (with drive speeds measured in revolutions per minute or RPM). In such cases, the overall cost of a hard-drive is usually a trade-off between storage space / spindle speed and transfer rate.

Traditional Hard Drives vs SSD

Generally speaking, lower spindle speed drives (5400 rpm) with a capacity of around 250 GB are entry-level options – often for laptops – and cost in the region of £30.

Higher spinning 7200 RPM choices are often paired with increased capacity of 500 – 750 GB, while 10,000+ models are geared towards more demanding users and enterprise applications (and feature higher cache buffering to hold more active data).

At Misco, we stock a full-range of hard drives from leading manufacturers such as WD, Seagate and Fujitsu with sizes up to 4 terabytes.

In addition to high capacity drives, users either upgrading their PCs or building from scratch can also opt for lightning fast solid state drives (SSD). In terms of function, they usually connect in a similar way to traditional hard drives (SATA interface) although mechanical read/write components are replaced by non-volatile NAND flash memory, meaning that longevity, durability and performance are usually much improved.

Buying a Hybrid Hard Disk Drive

Another recent development are hybrid drives which mix standard hard drives with solid-state memory (their advantage being cost, capacity, and manageability).

For network users, Misco carries a selection of (Network Attached Storage) NAS hard drives that are suitable for both home and business use, while Enterprise Network Drives are available for those requiring storage with a capacity of between 2 and 6 terabytes.

For a range of external storage drives, we carry both traditional hard drives together with external SSD options.

A further useful guide to the various options available can be found at: http://www.cnet.com/topics/storage/buying-guide/

This Week's Featured Products
Internal Hard Drives
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WD Red 6TB 3.5inch NAS Internal Hard Drive
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WD Red 6TB 3.5" NAS Internal Hard Drive
WD Red 6TB 3.5inch NAS Internal Hard Drive
In stock
£197.28 Ex VAT
£236.74 Inc VAT
In stock
Product Category: Internal Hard Drives
Misco No: 2153996
Manufacturer / No: WD / WD60EFRX

WD Red 4TB 3.5 NAS Internal Hard Drive
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WD Red 4TB 3.5 NAS Internal Hard Drive
WD Red 4TB 3.5 NAS Internal Hard Drive
In stock
£124.95 Ex VAT
£149.94 Inc VAT
In stock
Product Category: Internal Hard Drives
Misco No: 199822
Manufacturer / No: WD / WD40EFRX

WD Red 3TB 3.5 NAS Internal Hard Drive
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WD Red 3TB 3.5 NAS Internal Hard Drive
WD Red 3TB 3.5 NAS Internal Hard Drive
In stock
£97.83 Ex VAT
£117.40 Inc VAT
In stock
Product Category: Internal Hard Drives
Misco No: 193871
Manufacturer / No: WD / WD30EFRX
Video is available for this product.

WD Purple 3TB 3.5 SATA Internal Hard Drive
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WD Purple 3TB 3.5 SATA Internal Hard Drive
WD Purple 3TB 3.5 SATA Internal Hard Drive
In stock
£88.95 Ex VAT
£106.74 Inc VAT
In stock
Product Category: Internal Hard Drives
Misco No: 218939
Manufacturer / No: WD / WD30PURX

WD Black 1TB 3.5 SATA Internal Hard Drive
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WD Black 1TB 3.5 SATA Internal Hard Drive
WD Black 1TB 3.5 SATA Internal Hard Drive
In stock
£63.95 Ex VAT
£76.74 Inc VAT
In stock
Product Category: Internal Hard Drives
Misco No: 218982
Manufacturer / No: WD / WD1003FZEX

WD Blue HDD 2TB 3.5 SATA Hard Drive
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WD Blue HDD 2TB 3.5 SATA Hard Drive
WD Blue HDD 2TB 3.5 SATA Hard Drive
In stock
£58.95 Ex VAT
£70.74 Inc VAT
In stock
Product Category: Internal Hard Drives
Misco No: 2549684
Manufacturer / No: WD / WD20EZRZ

WD Blue 1TB 3.5 SATA 6Gb/s Internal Hard Drive
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WD Blue 1TB 3.5 SATA 6Gb/s Internal Hard Drive
WD Blue 1TB 3.5 SATA 6Gb/s Internal Hard Drive
In stock
£42.95 Ex VAT
£51.54 Inc VAT
In stock
Product Category: Internal Hard Drives
Misco No: 193903
Manufacturer / No: WD / WD10EZEX
Video is available for this product.

OPEN BOX Hypertec HP Equivalent 1TB 6G SATA 7200 RPM SFF 2.5inch SC Midline Hard Drive - BRAND NEW
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OPEN BOX Hypertec HP Equivalent 1TB 6G SATA 7200 RPM SFF 2.5" SC Midline Hard Drive - BRAND NEW
OPEN BOX Hypertec HP Equivalent 1TB 6G SATA 7200 RPM SFF 2.5inch SC Midline Hard Drive - BRAND NEW
In stock
£131.44 Ex VAT
£157.73 Inc VAT
In stock
Product Category: Internal Hard Drives
Misco No: OB199350
Manufacturer / No: Hypertec / 655710-B21-HYOB

OPEN BOX Seagate Constellation ES 1TB 3.5inch SAS Internal Hard Drive - BRAND NEW
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OPEN BOX Seagate Constellation ES 1TB 3.5" SAS Internal Hard Drive - BRAND NEW
OPEN BOX Seagate Constellation ES 1TB 3.5inch SAS Internal Hard Drive - BRAND NEW
In stock
£73.89 Ex VAT
£88.67 Inc VAT
In stock
Product Category: Internal Hard Drives
Misco No: OBSP657829
Manufacturer / No: Seagate / ST1000NM0023OB

Kingston 1600Gb Ssdnow Dc400 Ssd Sata 3 2.5
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Kingston 1600Gb Ssdnow Dc400 Ssd Sata 3 2.5
Kingston 1600Gb Ssdnow Dc400 Ssd Sata 3 2.5
In stock
£668.00 Ex VAT
£801.60 Inc VAT
In stock
Product Category: Internal Hard Drives
Misco No: 2691764
Manufacturer / No: Kingston / SEDC400S37/1600G

Items Found: 572
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Items Found: 572
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