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Seagate BarraCuda ST24000DM001 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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  • £473.99 
  • Est. Shipping Fee £28.05
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Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives Bare Drive - OEM
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  • £106.79 
  • Est. Shipping Fee £22.96
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Seagate BarraCuda ST2000DM008 2TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drive Bare Drive
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  • £87.59 
  • Est. Shipping Fee £22.95
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Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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  • £193.19 
  • Est. Shipping Fee £28.00
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WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
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  • £226.79 
  • Est. Shipping Fee £27.67
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Seagate IronWolf Pro ST12000NT001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
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  • £290.39 
  • Est. Shipping Fee £28.00
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Seagate IronWolf 8TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s CMR 3.5" Internal HDD for RAID Network Attached Storage ST8000VN004-NE
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  • £242.39 
  • Est. Shipping Fee £28.00
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WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
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  • £261.59 
  • Est. Shipping Fee £27.84
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WD Red Plus 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD100EFGX
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  • £242.39 
  • Est. Shipping Fee £28.05
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Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
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  • £483.59 
  • Est. Shipping Fee £32.49
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WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD60EZAX
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  • £154.79 
  • Est. Shipping Fee £27.67
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Seagate IronWolf ST4000VN006 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
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  • £127.19 
  • Est. Shipping Fee £22.83
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WD Red Plus 12TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch -  WD120EFGX
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  • £269.99 
  • Est. Shipping Fee £27.67
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Seagate SkyHawk AI ST24000VE002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive
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  • £505.20 
  • Est. Shipping Fee £27.77
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WD Red Pro WD240KFGX 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Hard Drives
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  • £601.19 
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HP 652611-B21 300GB 15000 RPM SAS 6Gb/s 2.5" SFF SC Enterprise Hard Drive
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  • £173.99 
  • Est. Shipping Fee £36.48
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Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5" Internal Hard Drive - OEM
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  • £386.39 
  • Est. Shipping Fee £32.43
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Western Digital 10TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD103KFBX
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  • £266.39 
  • Est. Shipping Fee £32.20
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WD Black 6TB Gaming Performance Internal Hard Drive HDD - 7200 RPM, 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives - WD6004FZBX
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  • £199.19 
  • Est. Shipping Fee £22.95
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WD Blue PC Desktop HDD 8TB
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  • £195.59 
  • Est. Shipping Fee £27.67
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WD Blue 2TB Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD20EZBX
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  • £77.99 
  • Est. Shipping Fee £32.05
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Toshiba N300 Pro 8TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 Gb/s 7200 RPM 512 MB Cache - HDWG780UZSVB
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  • £241.19 
  • Est. Shipping Fee £28.09
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Seagate Exos 7E10 ST2000NM018B 2 TB Hard Drive Internal SAS 12Gb/s SAS
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  • £148.79 
  • Est. Shipping Fee £118.04
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HP P2000 AP858A 300GB 15000 RPM SAS 6Gb/s 3.5" Internal Hard Drive
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  • £179.99 
  • Est. Shipping Fee £57.76
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HP 872479-B21 - HP 1.2TB 2.5" SAS 10K 12Gb/s Hard Drive
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  • £308.39 
  • Est. Shipping Fee £60.66
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HPE ISS 861686-B21 1TB SATA 7.2K LFF LP DS HD
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  • £160.79 
  • Est. Shipping Fee £50.97
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TOSHIBA MG09 Series MG09ACA10TE 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Hard Drives
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  • £284.39 
  • Est. Shipping Fee £78.58
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Dell XWM1W - Dell 4TB 3.5" Nearline SAS 7.2K 12Gb/s Hard Drive
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  • £148.79 
  • Est. Shipping Fee £36.48
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Dell TMVN7 - Dell 2TB 2.5" Nearline SAS 7.2K 12Gb/s Hard Drive
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  • £269.99 
  • Est. Shipping Fee £36.48
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Dell R7FKF - Dell 2TB 3.5" Nearline SAS 7.2K 12Gb/s Hard Drive
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  • £153.59 
  • Est. Shipping Fee £36.48
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Dell 68V42 - Dell 1.2TB 2.5" SAS 10K 6Gb/s Solid State Drive
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  • £155.99 
  • Est. Shipping Fee £36.48
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Desktop internal hard drives store operating systems, system files, software and individual files. They can offer anywhere from 500GB of storage up to 8TB or more and come with a variety of interfaces. Although most internal drives are 3.5in., some devices use a smaller 2.5in. form factor. Smaller and larger physical sizes are rare but do exist. Also, consider the speed of the drive. Internal hard drives for desktop computers tend to run at 7,200 revolutions per minute (RPM) but faster read-write speeds minimize waiting time. Hard drives with speeds of up to 15,000 RPM are available. Finally, memory cache is the amount of memory that can be active at any given time. A larger cache is important if you work with multiple large files at once.

Improve Your Computer's Performance with a New Hard Drive

You might not be concerned about storage space when you buy a new PC, but the hard drive will fill will with files and software. A new desktop internal hard drive can replace an existing drive that has reached maximum capacity. Alternatively, if your motherboard has a spare bay, you can add a second or additional device to expand storage. An internal HDD for PCs is easy to install, has greater capacity and speed than an external device and comes with multiple storage options.

Store All Your Data with Large Capacity Drives

Every piece of software you install, every song you save, every video you download takes up storage space, which can slow down a computer. A 720p movie takes up approximately 8GB, while a 4k video can consume as much as 100GB of a desktop internal hard drive. Even the Windows 10 operating system requires 15GB. A 500GB hard drive can be useful for storing files while you're on the move before transferring them to a larger drive if you don't have a personal cloud device or portable hard drive. For everyday and ongoing storage, this size drive will quickly fill up. Desktop internal hard drives offer the storage of up to 16TB in some cases, providing plenty of space for software and files.

Ensure Compatibility by Choosing the Right Interface

The most commonly used standards for connecting a desktop internal hard drive to a motherboard are SATA and SAS. Determine the motherboard's interface and ensure that you match this when buying a new drive to ensure compatibility and to avoid having to use an adapter. Check the label off the drive you are replacing or look at the manufacturer guidelines for your motherboard.

Access Data Quicker with a Fast SATA Internal Hard Drive

The speed the disk platters spin determines how quickly information can be retrieved from the drive. It is common for external hard drives to have a speed of 5,000 RPM because this draws less power and makes minimal noise. Other hard drive designs have a speed of up to 15,000 RPM, depending on the model.