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HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5" Non-hot Plug Standard Internal Hard Drive Bare Drive
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HP 801888-B21 4TB 7200 RPM SATA 6.0Gb/s 3.5" Non-hot Plug Standard Internal Hard Drive Bare Drive
  • NAND Flash Memory Type: Hard Drive
  • Average Latency: 6Gb/s
  • Features: Do you have non-mission critical applications that require economical high capacity and reliability hard disk drives? HP SATA Hard Drives are built for reliability and larger capacity needs for today's non-mission critical server applications and storage environments. These high-capacity drives provide the lowest $/GB, and the best price advantage for
  • Usage: Ideal for Servers
  • Model #: 801888-B21
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Seagate Cheetah NS.2 ST3450802SS 450GB 10000 RPM 16MB Cache SAS 6Gb/s 3.5" Internal Hard Drive Bare Drive
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Seagate
Seagate Cheetah NS.2 ST3450802SS 450GB 10000 RPM 16MB Cache SAS 6Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Latency: 2.98ms
  • NAND Flash Memory Type: Enterprise
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST3450802SS
Seagate BarraCuda ST3250312AS 250GB 7200 RPM 8MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Seagate BarraCuda ST3250312AS 250GB 7200 RPM 8MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • NAND Flash Memory Type: Desktop
  • Parts: 2 years limited
  • Labor: 2 years limited
  • Model #: ST3250312AS
Seagate BarraCuda 7200.10 ST3320620AS 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive (Perpendicular Recording Technology) Bare Drive
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Seagate SkyHawk AI ST10000VE001 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Seagate SkyHawk AI ST10000VE001 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 26.11mm
  • Width (maximum): 101.85mm
  • Length (maximum): 146.99mm
  • Model #: ST10000VE001
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Western Digital Black WD2002FAEX 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Western Digital Black WD2002FAEX 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Brand: Western Digital
  • Series: Black
  • Model: WD2002FAEX
  • Capacity: 2TB
  • Model #: WD2002FAEX
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Seagate Exos X14 14TB 7200 RPM 512e/4Kn SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive (ST14000NM0018)
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Seagate Exos X14 14TB 7200 RPM 512e/4Kn SATA 6Gb/s 256MB Cache 3.5-Inch Enterprise Hard Drive (ST14000NM0018)
  • NAND Flash Memory Type: SLC
  • Average Latency: 4.16ms
  • Features: 14TB per drive for 40% more petabytes per rack Industry's lowest power and weight for optimum data center TCO Highest 14TB hard drive performance with enhanced caching, making it perfect for big data applications Hyperscale SATA model tuned for large data transfers PowerBalance feature optimizes IOPS/Watt Helium sealed-drive design with no porosity and uniform density Superior
  • Usage: For Enterprise Storage
  • Model #: ST14000NM0018
  • $599.97
  •  
  • $524.45 
  • Save: 12%
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Apricorn Aegis Padlock ASSD-3PL256-480F 480 GB External Solid State Drive
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  •  
  • $388.99 
  • Free Shipping
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Seagate Constellation ES.3 ST4000NM0063 4 TB 3.5" Internal Hard Drive
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Seagate
Seagate Constellation ES.3 ST4000NM0063 4 TB 3.5" Internal Hard Drive
  • Average Latency: 4.16ms
  • Parts: 5 Year
  • Labor: 5 Year
  • Model #: ST4000NM0063
Seagate Exos X16 ST14000NM003G 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives, 512E/4KN, SED Bare Drive
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Seagate Exos X16 ST14000NM003G 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Hard Drives, 512E/4KN, SED Bare Drive
  • Average Latency: 4.16ms
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 26.11mm
  • Width (maximum): 101.85mm
  • Model #: ST14000NM003G
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HP 2 TB 3.5" Internal Hard Drive
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HP 2 TB 3.5" Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: 861681-B21
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Western Digital WD5003AZEX Caviar Black 3.5" 500GB SATA Hard Drive
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Seagate Constellation ES.3 ST4000NM0053 4 TB 3.5" Internal Hard Drive
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Seagate Constellation ES.3 ST4000NM0053 4 TB 3.5" Internal Hard Drive
  • NAND Flash Memory Type: Hard Drive
  • Parts: 5 Year
  • Model #: ST4000NM0053
Seagate BarraCuda ES.2 ST31000640SS 1TB 7200 RPM 16MB Cache SAS 3Gb/s 3.5" Internal Hard Drive Bare Drive
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Seagate
Refurbished Seagate BarraCuda ES.2 ST31000640SS 1TB 7200 RPM 16MB Cache SAS 3Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Seek Time: 8.5ms
  • Average Write Time: 9.5ms
  • Average Latency: 4.16ms
  • Height (maximum): 26.11mm
  • Model #: ST31000640SS
  •  
  • $59.99 
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WL 3TB IntelliPower 64MB Cache SATA III (6.0Gb/s) 3.5" Internal Desktop Hard Drive (For PC/Mac/DVR) w/1 Year Warranty
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WL 3TB IntelliPower 64MB Cache SATA III (6.0Gb/s) 3.5" Internal Desktop Hard Drive (For PC/Mac/DVR) w/1 Year Warranty
  • Parts: 1 Year Warranty from Reseller
  • Labor: 1 Year Warranty from Reseller
  • Model #: WL3000GSA6454-S6
  •  
  • $89.99 
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Apricorn Aegis Padlock A25-3PL256-S512F 512 GB External Solid State Drive
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  •  
  • $373.99 
  • Free Shipping
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Seagate Cheetah 15K.6 ST3450856SS 450 GB 3.5' Internal Hard Drive
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Seagate
Seagate Cheetah 15K.6 ST3450856SS 450 GB 3.5' Internal Hard Drive
  • Average Latency: 6Gb/s
  • NAND Flash Memory Type: Enterprise
  • Parts: 1 yr
  • Labor: 1 yr
  • Model #: ST3450856SS
Seagate Exos 7E10 ST2000NM001B 2 TB Hard Drive Internal SAS 12Gb/s SAS
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Seagate Exos 7E10 ST2000NM001B 2 TB Hard Drive Internal SAS 12Gb/s SAS
  • NAND Flash Memory Type: SLC
  • Parts: 5 Year
  • Model #: ST2000NM001B
Seagate BarraCuda ES.2 ST31000340NS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Seagate BarraCuda ES.2 ST31000340NS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Latency: 4.16ms
  • NAND Flash Memory Type: Enterprise
  • Height (maximum): 26.11mm
  • Width (maximum): 101.60mm
  • Model #: ST31000340NS
  •  
  • $90.00 
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Seagate Enterprise NAS HDD 8TB 7200 RPM 256MB Cache SATA 6.0GB/s 3.5" Internal Bare Drive ST8000NE0001
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Seagate Enterprise NAS HDD 8TB 7200 RPM 256MB Cache SATA 6.0GB/s 3.5" Internal Bare Drive ST8000NE0001
  • Average Latency: 4.16ms
  • Height (maximum): 26.10mm
  • Width (maximum): 101.85mm
  • Length (maximum): 147.00mm
  • Model #: ST8000NE0001
  •  
  • $374.45 
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Seagate Cheetah 10K.7 ST3300007FC 300GB 10000 RPM 8MB Cache 2 Gbit/sec Fibre Channel 3.5" Hard Drive Bare Drive
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Seagate
Seagate Cheetah 10K.7 ST3300007FC 300GB 10000 RPM 8MB Cache 2 Gbit/sec Fibre Channel 3.5" Hard Drive Bare Drive
  • Average Seek Time: 4.7ms
  • Average Write Time: 5.3ms
  • Average Latency: 3ms
  • Height (maximum): 25.40mm
  • Model #: ST3300007FC
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Seagate BarraCuda Green ST1000DL002 1TB 5900 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Bare Drive Bare Drive
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Seagate BarraCuda Green ST1000DL002 1TB 5900 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Bare Drive Bare Drive
  • Average Seek Time: 12ms
  • Average Write Time: 13ms
  • Average Latency: 4.16ms
  • NAND Flash Memory Type: Hard Drive
  • Model #: ST1000DL002
Seagate Constellation CS ST1000NC000 1 TB 3.5" Internal Hard Drive
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Seagate Exos 7E8 ST6000NM029A 6TB 7200 RPM 256MB Cache SAS 12Gb/s 3.5" Internal Hard Drive
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Seagate
Seagate Exos 7E8 ST6000NM029A 6TB 7200 RPM 256MB Cache SAS 12Gb/s 3.5" Internal Hard Drive
  • Average Latency: 4.16ms
  • Height (maximum): 26mm
  • Width (maximum): 102mm
  • Length (maximum): 147mm
  • Model #: ST6000NM029A
Seagate BarraCuda ES ST3750640NS 750GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
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Seagate BarraCuda ES ST3750640NS 750GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
  • Average Seek Time: 8.5ms
  • Average Write Time: 9.5ms
  • Average Latency: 4.16ms
  • Features: Important Warranty Information This product is end-of-sale and no longer warranted by the manufacturer. Instead, Newegg warranties this product for one year from date of purchase. If you require warranty service after thirty days, please contact Newegg Customer Service, not the manufacturer. Breakthrough Capacity Industry's Highest Reliability Optimized For Enterprise Storage Environments
  • Model #: ST3750640NS
  • $85.18
  •  
  • $85.00 
  • Free Shipping
Seagate Exos 7E10 ST2000NM018B 2 TB Hard Drive Internal SAS 12Gb/s SAS
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Seagate
Seagate Exos 7E10 ST2000NM018B 2 TB Hard Drive Internal SAS 12Gb/s SAS
  • NAND Flash Memory Type: SLC
  • Parts: 5 Year
  • Model #: ST2000NM018B
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Seagate Constellation ES ST31000424SS 1TB 7200 RPM 16MB Cache SAS 6Gb/s 3.5" Internal Hard Drive Bare Drive
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Seagate Constellation ES ST31000424SS 1TB 7200 RPM 16MB Cache SAS 6Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Latency: 6Gb/s
  • NAND Flash Memory Type: Enterprise
  • Model #: ST31000424SS
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  • $97.00 
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HPE ISS 861686-B21 1TB SATA 7.2K LFF LP DS HD
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HP
HPE ISS 861686-B21 1TB SATA 7.2K LFF LP DS HD
  • NAND Flash Memory Type: Hard Drive
  • Model #: 861686-B21
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Seagate BarraCuda 7200.10 ST3500630AS 500GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Hard Drive (Perpendicular Recording) Bare Drive
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  • $89.99
  •  
  • $55.00 
  • Save: 38%
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Seagate ST300MP0106 Enterprise 300GB SAS 2.5" Internal Hard Drive
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Seagate
Seagate ST300MP0106 Enterprise 300GB SAS 2.5" Internal Hard Drive
  • NAND Flash Memory Type: SLC
  • Usage: For Enterprise Storage
  • Model #: ST300MP0106
Seagate BarraCuda 7200.9 ST3160812AS 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
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Seagate BarraCuda 7200.9 ST3160812AS 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5" Hard Drive Bare Drive
  • Average Latency: 4.16ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: ST3160812AS
  •  
  • $60.50 
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Dell F617N 300GB 15000 RPM 16MB Cache SAS 6Gb/s 3.5" Internal Hard Drive Bare Drive
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DELL
Dell F617N 300GB 15000 RPM 16MB Cache SAS 6Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Latency: 2ms
  • NAND Flash Memory Type: Hard Drive
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: F617N
Western Digital RE3 WD3202ABYS 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Western Digital RE3 WD3202ABYS 320GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Latency: 4.2ms
  • Parts: 5 years limited
  • Labor: 5 years limited
  • Model #: WD3202ABYS
  •  
  • $146.00 
  • Free Shipping
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Seagate BarraCuda 7200.10 ST380215AS 80GB 7200 RPM 2MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Seagate BarraCuda 7200.10 ST380215AS 80GB 7200 RPM 2MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Latency: 4.16ms
  • Parts: 3 years limited
  • Labor: 3 years limited
  • Model #: ST380215AS
  •  
  • $71.00 
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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.

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