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WD Internal Hard Drives

Perform a cost-effective upgrade to your home or office computer with these advanced internal hard drives. Each one adds storage and speed so that your system can perform effectively. Select the best hard drive for your current configuration from brands such as IBM, Seagate, and HP.

High Capacity
Add extra storage space to your computer with these internal hard drives that come in a variety of sizes. If you're working with large video and photo files, choose a hard drive with a 2 TB or 3 TB capacity. For a personal computer, select a cost-efficient model that has 1 TB or less of storage space.

Fast Data Transfer
Each of these hard drives is designed with sophisticated data transfer technology that saves and retrieves files quickly. For high-speed data transfer in demanding computer applications, choose a hard drive that is capable of up to 6 Gb/s. In general-use computing, a hard drive with a speed of 3 Gb/s provides excellent performance. Make the most of the drives by installing them in an updated computer.

Multiple Interface Options
These internal hard drives are designed with a variety of interfaces, so you can select the one that is compatible with your existing system. For high-performance storage of crucial files, choose an advanced SAS drive. Don't worry about shutting down your system — SAS drives are hot swappable. If you're looking for a cost-effective solution for a data backup, look to SATA drives.

Secure Installation
These hard drives are designed for internal installation, drastically reducing the chance of accidental disconnection. Each model uses standard connection ports, so you can integrate it into your system quickly. Most items come with basic installation instructions for maximum convenience.
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WD Mainstream 3TB SATA 6.0 Desktop 3.5-Inch Internal Hard Drive (WDBH2D0030HNC)
Item: 391828 / Model : WDBH2D0030HNC
  • 3 TB capacity internal hard drive for use in desktop computers
  • SATA 6.0 interface transfers data at rates up to 6 Gb/s
  • IntelliPower RPM delivers fast loading
$109.99
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WD Mainstream 2TB SATA 6.0 Desktop 3.5-Inch Internal Hard Drive (WDBH2D0020HNC)
Item: 918225 / Model : WDBH2D0020HNC
  • 2 TB capacity internal hard drive for use in desktop computers
  • SATA 6.0 interface transfers data at rates up to 6 Gb/s
  • IntelliPower RPM delivers fast loading
$89.99 $131.99
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Special Buy
Reg: $131.99
Save: -$42.00
$89.99*
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*Price after savings
WD Mainstream 1TB Laptop Internal Hard Drive
Item: 280790 / Model : WDBMYH0010BNC
  • 1 TB laptop internal hard drive
  • 8 MB cache and 5,400 RPM for fast loading
  • SATA interface transfers files up to 3 GB per second
$69.99
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WD® Red 3 TB 3 1/2" Internal Hard Drive
Item: IM1PR7549 / Model : WD30EFRX
  • 3TB
  • SATA/600
  • Platform supported: Windows/Mac
$132.39
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WD 4TB SATA/600 3.5-Inch Internal Hard Drive, Red (WD40EFRX)
Item: IM1TA9309 / Model : WD40EFRX
  • 4 TB capacity drive optimized for NAS and RAID applications
  • SATA 3.0 interface transfers data at rates up to 6 Gb/s
  • IntelliPower RPM design for fast and reliable performance
$189.99
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WD® Purple™ 2TB 3.5" SATA/600 Surveillance Internal Hard Drive
Item: IM1TY1656 / Model : WD20PURX
  • Drive capacity: 2TB
  • Drive interface: SATA/600
  • Maximum external data transfer rate: 768 MBps (6 Gb/s)
$103.79
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WD® Black™ 750GB 2.5" SATA Mobile Internal Hard Drive
Item: IM1RV8665 / Model : WD7500BPKX
  • Drive capacity of 750GB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 0.4"H x 2.8"W x 3.9"D, 2.5"W (drive)
$65.99
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WD® Blue™ 750GB 2.5" SATA Mobile Internal Hard Drive
Item: IM1QZ3939 / Model : WD7500BPVX
  • Drive capacity of 750GB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 0.4"H x 2.8"W x 3.9"D, 2.5"W (drive)
$54.49
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WD® Red™ 5TB 3.5" SATA NAS Internal Hard Drive
Item: IM1XC0105 / Model : WD50EFRX
  • Drive capacity of 5TB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 1"H x 4"W x 5.8"D, 3.5"W (drive)
$214.99
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WD® 4TB 3 1/2" Desktop Internal Hard Drive (Green)
Item: IM1TA9583 / Model : WD40EZRX
  • 4TB
  • SATA/600
  • Dimensions: 1"(H) x 4"(W) x 5.8"(D)
$165.19
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WD® Black™ 2TB 3.5" SATA Desktop Internal Hard Drives
Item: IM1TF3648 / Model : WD2003FZEX
  • Drive capacity of 2TB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 1"H x 4"W x 5.8"D, 3.5"W (drive)
$133.99
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WD® Black™ 1TB 3.5" SATA Desktop Internal Hard Drives
Item: IM1TF3650 / Model : WD1003FZEX
  • Drive capacity of 1TB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 1"H x 4"W x 5.8"D, 3.5"W (drive)
$80.49
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WD® Re™ 1 TB 3.5" SATA Datacenter Capacity Internal Hard Drive
Item: IM1RG9469 / Model : WD1003FBYZ
  • Drive capacity of 1TB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 1"H x 4"W x 5.8"D, 3.5"W (drive)
$106.49
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WD® 1TB SATA 6.0Gb/s 3.5" Internal Hard Drive
Item: IM1PJ9818 / Model : WD10EZEX
  • 1TB
  • SATA 6 Gbps
  • Maximum external data transfer rate: 768 Mbps (6 Gbps)
$61.99
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WD® Black™ 4TB 3.5" SATA Desktop Internal Hard Drives
Item: IM1TF3644 / Model : WD4003FZEX
  • Drive capacity of 4TB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 1"H x 4"W x 5.8"D, 3.5"W (drive)
$209.19
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WD Desktop Performance 4TB Internal Hard Drive
Item: 518683 / Model : WDBSLA0040HNC
  • 4TB internal hard drive
  • SATA transfers data up to 6 GB per second
  • Fast-loading 7200 RPM drive
$229.99
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WD® Green™ 5TB 3.5" SATA Desktop Internal Hard Drives
Item: IM1XR7455 / Model : WD50EZRX
  • Drive capacity of 5TB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 1"H x 4"W x 5.8"D, 3.5"W (drive)
$205.99
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WD® Red™ 1TB 3.5" SATA NAS Internal Hard Drive
Item: IM1PR7551 / Model : WD10EFRX
  • Drive capacity of 1TB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 1"H x 4"W x 5.8"D, 3.5"W (drive)
$73.29
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WD® Red™ 1TB 2.5" SATA NAS NAS Internal Hard Drive
Item: IM1TA9311 / Model : WD10JFCX
  • Drive capacity of 1TB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 0.3"H x 2.8"W x 3.9"D, 2.5"W (drive)
$73.79
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WD® AV™ 3TB 3.5" SATA Digital Video Internal Hard Drive
Item: IM1RV8769 / Model : WD30EURX
  • Drive capacity of 3TB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 1"H x 4"W x 5.8"D, 3.5"W (drive)
$119.49
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WD® AV™ 2TB 3.5" SATA Digital Video Internal Hard Drive
Item: IM1RV8770 / Model : WD20EURX
  • Drive capacity of 2TB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 1"H x 4"W x 5.8"D, 3.5"W (drive)
$95.99
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WD® Red™ 750GB 2.5" SATA NAS NAS Internal Hard Drive
Item: IM1TA9313 / Model : WD7500BFCX
  • Drive capacity of 750GB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 0.4"H x 2.8"W x 3.9"D, 2.5"W (drive)
$63.49
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WD® Black™ 320GB 2.5" SATA Mobile Internal Hard Drive
Item: IM1YM5394 / Model : WD3200LPLX
  • Drive capacity of 320GB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 0.3"H x 2.8"W x 3.9"D, 2.5"W (drive)
$57.09
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WD® VelociRaptor® 250GB 2.5" SATA Workstation Internal Hard Drives
Item: IM1PF1748 / Model : WD2500BHTZ
  • Drive capacity of 250GB for optimum storage
  • Features SATA 6 Gb/s drive interface
  • Measures 0.59"H x 2.75"W x 3.95"L, 2.5"W (drive)
$111.99
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