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ThinkServer Enterprise 0C19502 1TB 7200 RPM SATA 6.0Gb/s 3.5" Enterprise Hard Drive Bare Drive
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Lenovo
ThinkServer Enterprise 0C19502 1TB 7200 RPM SATA 6.0Gb/s 3.5" Enterprise Hard Drive Bare Drive
  • NAND Flash Memory Type: Hard Drive
  • Average Latency: 6Gb/s
  • Features: Lenovo introduces a series of new 7200 RPM 3.5-inch enterprise-class SATA 6Gbps Hard Drives. These drives provide you with the high reliability and SATA 7200 RPM performance for your ThinkServer Solution. ThinkServer 3.5 inch 7.2K RPM enterprise-class SATA drives are the perfect 3.5 inch hard drive for demanding business environments
  • Model #: 0C19502
Hitachi GST Deskstar 5K3000 HDS5C3020ALA632 (0F12117) 2TB 32MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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  • $85.00 
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ST2000NM0011 Seagate 2TB SATA 7.2K RPM 6Gb/s 3.5" Hard Drive
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Seagate SV35.6 Series ST1000VX000 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Surveillance Hard Drive Bare Drive
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  • $69.10 
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Seagate Exos X16 14TB 7200 RPM SATA 6Gb/s 3.5-Inch Enterprise Hard Drive (ST14000NM001G)
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Seagate Exos X16 14TB 7200 RPM SATA 6Gb/s 3.5-Inch Enterprise Hard Drive (ST14000NM001G)
  • Average Latency: 4.16ms
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 26.11mm
  • Width (maximum): 101.85mm
  • Model #: ST14000NM001G
WD2500HHTZ Western Digital Raptor 250GB 10000RPM 6Gbps 3.5" SATA HDD HARD DRIVE
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  • $48.00 
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Seagate ST4000NM0135 ST4000NM0135 4 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS)
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  • $135.00 
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Seagate Exos X16 10TB 7200 RPM SATA 6Gb/s 3.5-Inch Enterprise Hard Drive (ST10000NM001G)
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Seagate Exos X16 10TB 7200 RPM SATA 6Gb/s 3.5-Inch Enterprise Hard Drive (ST10000NM001G)
  • Average Latency: 4.16ms
  • Height (maximum): 26.11mm
  • Width (maximum): 101.85mm
  • Length (maximum): 147.00mm
  • Model #: ST10000NM001G
Dell F617N 300GB 15000RPM 3.5" 6Gb/s SAS Hard Drive ST3300657SS
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FVX7C 0FVX7C Dell ST2000NX0433 2TB 7.2K RPM 12Gb/s 2.5"SAS SERVER HDD Hard Drive
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LOT OF 10 - Dell 36RH9 ST1200MM0088 1.2TB 10000RPM 6Gbps 2.5" SAS HDD Hard Drive
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  • $540.00 
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P18482-001 P41887-001 HPE 480GB 6G Read Intensive 2.5in SATA Solid State Drive
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  • $195.00 
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Seagate Exos 20TB 7.2K RPM SATA 6Gb/s 3.5in Enterprise HDD ST20000NM002C
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  • $539.99 
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Original Dell 9FN066-150 Internal Hard Drive 600GB 15K 3.5" 6Gbps SAS HDD
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  • $219.00 
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Western Digital Ultrastar DC HC560 WUH722020BL5204 20 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS) 0F38652
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Western Digital
Western Digital Ultrastar DC HC560 WUH722020BL5204 20 TB Hard Drive - 3.5" Internal - SAS (12Gb/s SAS) 0F38652
  • Brand: Western Digital
  • Series: Ultrastar DC HC560
  • Capacity: 20TB
  • RPM: 7200 RPM
  • Model #: 0F38652
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Seagate BarraCuda 7200.10 ST380815AS 80GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
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ST4000NM000B Seagate Exos 7E10 4TB 3.5" SATA 7.2K RPM 6Gb Hard Drive 2TF100-003
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  • $245.10 
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DELL ST9300653SS 300GB 15K RPM 64MB Cache 6Gb/s SAS 2.5" Enterprise HDD
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DELL
DELL ST9300653SS 300GB 15K RPM 64MB Cache 6Gb/s SAS 2.5" Enterprise HDD
  • Color: Silver
  • Parts: 30 DAYS WARRANTY
  • Labor: 30 DAYS WARRANTY
  • Model #: 0H8DVC
1V4207-150 Dell 4TB 7.2K SAS 12G LFF Hard Drive
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Seagate Exos 12TB Enterprise HDD SATA 6Gb/s 512e/4Kn 7200 RPM 256MB Cache 3.5" Internal Hard Drive ST12000NM001G
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Seagate Exos 12TB Enterprise HDD SATA 6Gb/s 512e/4Kn 7200 RPM 256MB Cache 3.5" Internal Hard Drive ST12000NM001G
  • Average Latency: 4.16ms
  • NAND Flash Memory Type: Hard Drive
  • Height (maximum): 26.11mm
  • Width (maximum): 101.85mm
  • Model #: ST12000NM001G
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Seagate Exos X16 ST14000NM002G 14TB 7200RPM SAS 12Gb/s 3.5" Enterprise HDD
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Seagate
Refurbished Seagate Exos X16 ST14000NM002G 14TB 7200RPM SAS 12Gb/s 3.5" Enterprise HDD
  • Brand: Seagate
  • Series: Exos X16
  • Capacity: 14TB
  • RPM: 7200 RPM
  • Model #: ST14000NM002G-2KG203-881
07FPR Dell 10TB 7.2K SAS 12Gb/s 3.5" 512e HDD 007FPR HUH721010AL5200 New
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  • $345.00 
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846996-B21 HP 4TB 7.2K 12Gbps 3.5" SAS Hard Drive 847035-001 765252-001
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846996-B21 HP 4TB 7.2K 12Gbps 3.5" SAS Hard Drive 847035-001 765252-001
  • Average Seek Time: 7.4ms
  • Part Number: 846996-B21
  • Parts: 30 Days
  • Labor: 30 Days
  • Model #: 846996-B21-NB
Western Digital Blue WD5000AAKB 500GB 7200 RPM 16MB Cache IDE Ultra ATA100 / ATA-6 3.5" Internal Hard Drive Bare Drive
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Used - Like New Western Digital Blue WD5000AAKB 500GB 7200 RPM 16MB Cache IDE Ultra ATA100 / ATA-6 3.5" Internal Hard Drive Bare Drive
  • Average Seek Time: 8.9ms
  • Average Write Time: 10.9ms
  • Average Latency: 4.2ms
  • Parts: 3 years limited
  • Model #: WD5000AAKB
WD Purple NV 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch - WD6NPURX
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Used - Like New WD Purple NV 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch - WD6NPURX
  • Height (maximum): 26.1mm
  • Width (maximum): 101.6mm
  • Length (maximum): 147mm
  • Model #: WD6NPURX
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WD Gold 10TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 256MB Cache 3.5 Inch - WD101KRYZ
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Used - Like New WD Gold 10TB Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 256MB Cache 3.5 Inch - WD101KRYZ
  • Average Latency: 6Gb/s
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD101KRYZ
Seagate BarraCuda ES.2 ST3250310NS 250GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Refurbished Seagate BarraCuda ES.2 ST3250310NS 250GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Seek Time: 8.5ms
  • Average Write Time: 9.5ms
  • Average Latency: 4.16ms
  • Model #: ST3250310NS
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  • $89.95 
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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:

Keith V.
4/9/2026 4:20:16 PM
High Capacity Plug and Play Drive

“ SATA so it plugs right into my old media server ”

Seagate BarraCuda ST24000DM001 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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
1/17/2026 7:23:35 PM
Works great if not DOA

“ I initially purchased two drives to replace two old WD 6TB drives (one died before Xmas) in a WD NAS. ”

WD Red Plus 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD100EFGX