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ST14000NM002G Seagate Exos X16 14TB 7.2K SAS 12Gbps 3.5" Internal Hard Drive
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Seagate
Refurbished ST14000NM002G Seagate Exos X16 14TB 7.2K SAS 12Gbps 3.5" Internal Hard Drive
  • Average Seek Time: 4.16ms
  • Average Latency: 4.16ms
  • Part Number: ST14000NM002G
  • Parts: 30 Days
  • Model #: ST14000NM002G-ref
Maxtor DiamondMax Plus 8 6E040L0 40GB 7200 RPM 2MB Cache IDE Ultra ATA133 / ATA-7 3.5" Hard Drive Bare Drive
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Used - Like New Maxtor DiamondMax Plus 8 6E040L0 40GB 7200 RPM 2MB Cache IDE Ultra ATA133 / ATA-7 3.5" Hard Drive Bare Drive
  • Average Seek Time: 10ms
  • Average Latency: 4.17ms
  • Parts: 1 year limited
  • Labor: 1 year limited
  • Model #: 6E040L0
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  • $60.10 
  • Free Shipping
Maxtor 4R160L0 160GB IDE Ultra ATA133 / ATA-7 3.5" Internal Hard Drive Bare Drive
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  •  
  • $45.10 
  • Free Shipping
Maxtor Atlas 10K V 8J147J0 147GB 10000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive Bare Drive
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Used - Like New Maxtor Atlas 10K V 8J147J0 147GB 10000 RPM 8MB Cache SCSI Ultra320 80pin 3.5" Hard Drive Bare Drive
  • Average Seek Time: 4.2ms
  • Average Write Time: 4.7ms
  • Average Latency: 3ms
  • Parts: 1 year limited
  • Model #: 8J147J0
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  • $77.89 
  • Free Shipping
Dell 91K8T 3TB NL SAS 7.2K 6GBPS 3.5" Drive ST33000650SS 9SM260-150
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DELL
Refurbished Dell 91K8T 3TB NL SAS 7.2K 6GBPS 3.5" Drive ST33000650SS 9SM260-150
  • Average Seek Time: 4.16ms
  • Part Number: 91K8T
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: 91K8T-Ref
9PR63 09PR63 Dell ST4000NM0033 ES.3 4TB 7.2K RPM 6Gb/s 3.5" SATA HDD Hard Drive
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  • $225.00 
  • Free Shipping
DELL ENTERPRISE ACCESSORIES 400-ALQZ 1TB 3.5IN 7.2K RPM NLSAS 12GBPS
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  • $177.45 
  • Free Shipping
400-AHIW Dell - 8TB 7.2K 3.5" SAS HD
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DELL
400-AHIW Dell - 8TB 7.2K 3.5" SAS HD
  • Model #: 8WWE8-00-B01BT-1
HP 653947-001 1TB 7200 RPM Serial Attached SCSI (SAS) 3.5" Internal Hard Drive Bare Drive
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  • $144.45 
  • Free Shipping
Dell 36RH9 036RH9 1.2TB HDD 10K SAS 2.5" Seagate ST1200MM0088 w Caddy G11 G12
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  • $52.95 
  • Free Shipping
400-ATJS Dell Hybrid 1.8TB 10K 3.5 SAS Drive 14th Gen PE R540 R6415 R7415 R7425
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  • $200.00 
Seagate 6TB Enterprise Desktop Hard Disk Drive - 7200 RPM SATA 6.0Gb/s 128MB 3.5" ST6000NM0004
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  • $214.45 
  • Free Shipping
HGST HUH728060ALE600 - 6TB 3.5" SATA 7,200 RPM 6Gb/s Hard Drive
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  • $175.10 
  • Free Shipping
HP 495276-003 600GB Seagate ST3600002FC 3.5"Fibre Channel  10k Hard Drive w/Tray
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  • $30.00 
  • Free Shipping
HGST Deskstar HDN726060ALE610 (0F23072) 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" NAS Hard Drive
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Refurbished HGST Deskstar HDN726060ALE610 (0F23072) 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" NAS Hard Drive
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: HDN726060ALE610-FR
Western Digital Blue WD2500AAKS 250GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
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  • $18.74 
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IBM SEAGATE ST32000444SS CONSTELLATION ES 2TB 3.5" 7.2K RPM 16MB SAS HARD DRIVE
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  • $72.95 
  • Free Shipping
NetApp IBM HGST X425A-R6 108-00321 18R1085 1.2TB 10K SAS 2.5" HDD 0B28479
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  • $45.00 
  • Free Shipping
Hitachi HUC106030CSS600 2.5" 300GB
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Hitachi HUC106030CSS600 2.5" 300GB
  • Model #: HUC106030CSS600
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  • $70.00 
  • Free Shipping
HP 483095-001 160GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive
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  • $45.00 
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HPE 791034-B21 1.80 TB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS)
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  • $84.00 
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HPE Dual Port Enterprise - hard drive - 1.2 TB - SAS 12Gb/s (Single Pack) Internal Hard Drive
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HP
HPE Dual Port Enterprise - hard drive - 1.2 TB - SAS 12Gb/s (Single Pack) Internal Hard Drive
  • NAND Flash Memory Type: Hard Drives
  • Features: This is an HP MSA 1.2TB SAS 12Gb/s Dual Port 10K RPM SFF 2.5" Enterprise Hard Drive.
  • Usage: Ideal for Servers
  • Model #: J9F48A

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.

Bestselling Desktop Internal Hard Drives Reviews:

Perry K.
3/26/2026 7:05:57 AM
Seagate Barracuda 2TB Hard Drive

“ Received and installed new Seagate Hard Drive in older Dell Inspiron PC. ”

Seagate BarraCuda ST2000DM008 2TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drive Bare Drive
Anonymous
1/22/2026 4:08:37 PM
Perfect 28TB NAS Drives Great For UGREEN Plex

“ One drive is my primary Plex/media volume, the other is my internal backup. ”

Seagate IronWolf Pro ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive