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1TB Internal Hard Drives

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Internal hard drives store the operating system, photos, videos, games, documents and other files on a laptop or desktop computer. Whether you're performing an upgrade on an existing system or building a custom computer, choosing the right 1TB hard drive ensures plenty of space for storing files locally, rather than relying solely on cloud storage.

Speed Options for 1TB Internal Hard Drives

Hard drives come in many different speeds, but the most common include 5,400, 7,200 and 10,000 RPM (revolutions per minute). These speeds refer to how quickly the platters, which store the information, rotate. Hard drives with speeds of 5,400 RPM work well for retrieving and saving smaller files and documents. The 7,200 and 10,000 RPM drives load larger files and applications faster, as the increased revolutions make finding the information more efficient. The transfer rate of 1TB internal hard drives is also important and depends on the RPM. The transfer rate is how quickly information is transferred to and from the drive, with the most common speeds ranging from 180MB to 6GB per second, depending on the revolutions per minute.

Choosing the Right Size

Internal hard drives are available in 2.5- and 3.5-inch sizes, ensuring there is a form factor that will work for most towers and laptops. A 2.5-inch 1TB internal hard drive works in laptops and smaller custom builds. Consider a 3.5-inch hard drive for replacing an older model or adding to a larger tower. When creating custom builds, users can include multiple 2.5-inch drives, making sure there is plenty of space available for backing up videos, documents, game progress and other files on a single device. The overall size of an internal hard drive doesn't affect performance, letting users choose the options that work for their needs.

Is SATA or SAS the Correct Option?

Internal hard drives are available in SATA, SAS and eSATA drive types. SATA drives are commonly used for everyday computer builds and connect with a single connector inside the tower. SAS drives are designed for situations where multiple hard drives or devices are used together and share an interface. These drives can be used with a variety of devices, including those with single, dual and wide ports. SAS drives are typically seen in business-level computer setups. eSATA hard drives differ from SATA and SAS due to connectors that let users add them externally, rather than inside the tower, which is useful when there is no more space available in the casing.

Durability

Internal hard drives are available in traditional and mobile options. A traditional 1TB internal hard drive features a design that works well in stationary computer towers. These drives have a lighter build and materials, which means they can be damaged by bumps and rough treatment. Drives for mobile use feature stronger, more durable materials that withstand the movement and bumps a laptop may go through on a daily basis. Consider drives marked as rugged or high performance for laptops used in the field or in other demanding conditions, such as at construction job sites.
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Seagate 1TB Internal Laptop Drive
Item: 2804253 / Model : ST1000LMA48
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  • Design based on 20+ years of manufacturing experience.
  • Data transfer rates of up to 140MB/s
  • 128MB Cache
62.49 $62.49
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WD Blue WD10EZEX 1TB SATA 3 Internal Hard Drive
Item: IM1PJ9818 / Model : WD10EZEX
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  • Internal hard drive with 1TB storage capacity is compatible with PC & Mac
  • Connects through SATA 3 port with 6Gb/s data transfer rate
  • Has 3.5" form factor, dimensions: 1.03"H x 4"W x 5.79"D
52.49 $52.49
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Seagate Barracuda ST1000DM010 1TB SATA 3 Internal Hard Drive
Item: IM16D9560 / Model : ST1000DM010
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  • Internal hard drive with 1TB storage capacity compatible with MAC & PC
  • Connects through SATA 3 port with 6Gb/s transfer rate
  • Features 3.5" form factor; dimensions: 0.79"H x 4.01"W x 5.79"D
49.99 $49.99
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WD® AV-GP 1 TB 3 1/2" Internal Hard Drive
Item: IM1NA4301 / Model : WD10EURX
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  • 1TB
  • 7-pin SATA/600
  • Platform supported: Windows/Mac
62.19 $62.19
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Seagate®LaCie STFS1000401 1TB USB-C External Solid State Drive
Item: IM18W1061 / Model : STFS1000401
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  • 1TB solid state drive compatible with Mac, PC
  • Interface: Thunderbolt, USB-C, Transfer rate: 4.08 Gbps (external)
  • Dimensions: 1"H x 3.5"W x 5.5"D
599.99 $599.99
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WD® Black WD10JPLX 1TB SATA 2.5" Internal Hard Drive
Item: IM11V8973 / Model : WD10JPLX
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  • 1TB internal hard drive and is compatible with Notebook, gaming console, storage system
  • Interface/ports: SATA, transfer rate: 6 Gbps
  • Compatible bay: 2.5", dimensions: 0.3"H x 2.8"W x 3.9"D
79.49 $79.49
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WD® Red 1TB 3.5" SATA NAS Internal Hard Drive
Item: IM1PR7551 / Model : WD10EFRX
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  • 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)
64.99 $64.99
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WD® Red™ 1TB 2.5" SATA NAS NAS Internal Hard Drive
Item: IM1TA9311 / Model : WD10JFCX
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  • 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)
83.99 $83.99
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Seagate Enterprise Capacity 512n SAS 12 Gbps 3.5" Internal Hard Drive, 1TB (ST1000NM0045)
Item: IM13L5030 / Model : ST1000NM0045
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  • Internal hard drive offers ample storage space for digital data
  • Dimensions: 1.02"H x 4.01"W x 5.78"D
  • Interface: 512n SAS 12 GBps, Transfer Rate: 215 MBps (sustained)
121.99 $121.99
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Seagate® ST1000NX0333 1TB SAS 12 Gbps 2.5" Internal Hard Drive
Item: IM1YM5416 / Model : ST1000NX0333
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  • 1TB internal hard drive compatible with PC
  • Interface: SAS, Transfer rate: 12 Gbps. 1.088 Gbps (sustained)
  • Dimensions: 0.591"H x 2.76"W x 3.955"D
207.29 $207.29
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Seagate® Enterprise Capacity ST1000NX0313 1TB SATA 6 Gbps 2.5" Internal Hard Drive
Item: IM1YM5414 / Model : ST1000NX0313
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  • 1TB internal hard drive is suitable for PC
  • Interface/ports: SATA 6 Gbps, Transfer rate: 6 Gbps, 136 MBps (sustainable)
  • Form factor: 2.5", Dimensions: 0.591"H x 2.76"W x 3.96"D
190.49 $190.49
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HP® Server Options 843266-B21 1TB SATA/600 3 1/2" Internal Hard Drive
Item: IM13A4025 / Model : 843266-B21
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  • 1TB internal hard drive
  • Provides SATA-600 interface
  • Compatible bay: 3 1/2"
103.59 $103.59
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Dell (400-AEFB) 1TB SAS 2-1/2" Hot Swappable Internal Hard Drive
Item: IM12W4320 / Model : 400-AEFB
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  • Internal hard drive with 1TB capacity is suitable for PC
  • Interfaces/ports: SAS 6 Gbps, Transfer rate: 600 Mbps (external)
  • Compatible bays: One hot-swappable 2 1/2"
209.99 $209.99
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Lenovo® 4XB0K48493 1TB SATA 2.5" Internal Hard Drive
Item: IM13A6208 / Model : 4XB0K48493
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  • 1TB internal hard drive and is compatible with ThinkPad L560, P50, P70, ThinkPad Yoga 14, 460
  • Interface/ports: SATA, transfer rate: 6 Gbps
  • Compatible bay: 2.5", dimensions: 0.28"H x 2.75"W x 3.15"D
147.99 $147.99
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Dell (400-AEFD) 1TB SATA 2 1/2" Internal Hard Drive
Item: IM12W4321 / Model : 400-AEFD
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  • Internal hard drive with 1TB capacity is suitable for PC
  • Interfaces/ports: SATA 6 Gbps, Transfer rate: 600 Mbps (external)
  • Compatible bays: One internal 2 1/2"
313.89 $313.89
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HP® Promo Smart Buy QK555AT 1TB Desktop 7200 RPM SATA/600 Hard Drive
Item: IM1RY5229 / Model : QK555AT
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  • 1TB
  • SATA/600
  • Drive performance: 768 Mbps (6 Gb/s) maximum external data transfer rate, 7200 RPM rotational speed
146.79 $146.79
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Lenovo 45J7918 1TB SATA/300 Internal Hard Drive
Item: IM1V19088 / Model : 45J7918
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  • 1TB
  • SATA/300
  • 7200 RPM
119.89 $119.89
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Seagate STBD1000100 1TB SATA 3.0 Laptop 2.5-Inch Internal Hard Drive
Item: 952980 / Model : STBD1000100
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  • Compact internal hard drive, large 1 terabyte capacity, compatible with Windows and Mac to suit your platform
  • SATA 3.0 interface provides up to 6.0 Gb/s data transfer
  • Compatible with PC and Mac
69.99 $69.99
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WD® Black™ 1TB 3.5" SATA Desktop Internal Hard Drives
Item: IM1TF3650 / Model : WD1003FZEX
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  • 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)
84.49 $84.49
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