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LOT OF 10 - Dell 1P7DP ST2000NM0023 2TB 7200RPM 6Gbps 3.5" SAS SERVER Hard Drive
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  • $950.00 
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Seagate 4KN 6 TB 3.5" Internal Hard Drive ST6000NM0014 (ST6000NM0014)
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  • $347.45 
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HGST - IMSOURCING HUS724020ALA640 HITACHI 2TB 7.2K SATA LFF
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Used - Very Good HGST - IMSOURCING HUS724020ALA640 HITACHI 2TB 7.2K SATA LFF
  • Brand: HGST
  • Model: HUS724020ALA640
  • Capacity: 2TB
  • RPM: 7200 RPM
  • Model #: HUS724020ALA640
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  • $39.99 
SSDSC2BX800G4 Intel DC S3610 Series 800GB 2.5 inch SATA SSD
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  • $99.99 
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HGST Ultrastar 7K6000 HUS726060ALE610 (0F23001) 6TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive Bare Drive
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HGST Ultrastar 7K6000 HUS726060ALE610 (0F23001) 6TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive Bare Drive
  • Average Seek Time: 7.6ms
  • Average Write Time: 8ms
  • Average Latency: 4.16ms
  • Height (maximum): 26.10mm
  • Model #: 0F23001
Seagate IronWolf 10TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s CMR 3.5" Internal HDD for RAID Network Attached Storage ST10000VN0008
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Seagate IronWolf 10TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s CMR 3.5" Internal HDD for RAID Network Attached Storage ST10000VN0008
  • NAND Flash Memory Type: Hard Drive
  • Recording Technology: CMR
  • Features: Optimized for NAS with AgileArray. AgileArray enables dual-plane balancing and RAID optimization in multi-bay environments, with the most advanced power management possible. Actively protect your NAS with IronWolf Health Management focusing on prevention, intervention, and recovery. High performance means no lag time or downtime for users during workload traffic for the NAS.
  • Usage: For NAS systems
  • Model #: ST10000VN0008
Dell Xy986  2Tb 7200Rpm Near Line Sas 12Gbps 128Mb Buffer 2.5Inch Hard Drive With Tray For Poweredge Server.Brand New Xy986
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Dell JY57X - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
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DELL
Dell JY57X - Dell 1.8TB 2.5" SAS 10K 12Gb/s Hard Drive
  • NAND Flash Memory Type: SLC
  • Model #: JY57X
ST4000NM0023 4TB 7.2K SAS 3.5" 6G HDD for Dell T620 T630 T640 T710
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  • $174.95 
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Dell 463-4953 4 TB Hard Drive - 3.5" Internal - SATA (SATA/600)
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  • $124.95 
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Western Digital WD VelociRaptor WD5000HHTZ 500GB 10000 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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Western Digital WD VelociRaptor WD5000HHTZ 500GB 10000 RPM 64MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • Average Latency: 6Gb/s
  • Features: Ultra fast Rock-solid reliability High capacity Ultra-cool operation Advanced Format (AF) IcePack mounting frame Rotary Acceleration Feed Forward (RAFF) NoTouch ramp load technology Environmentally conscious Pre-emptive Wear Leveling (PWL)
  • Usage: For Ultimate Performance
  • Height (maximum): 1"
  • Model #: WD5000HHTZ
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ST4000NM0033 Seagate CONSTELLATION 4TB 7200RPM 6Gbps 3.5" SATA HDD Hard Drive
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WD RE WD1004FBYZ 1TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5" Datacenter Capacity HDD Bare Drive
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WD RE WD1004FBYZ 1TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5" Datacenter Capacity HDD Bare Drive
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD1004FBYZ
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Dell 6W3V5 600 GB Hard Drive - 2.5" Internal - SAS (12Gb/s SAS) - 3.5" Carrier
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4VMHH DELL 1.2TB 10K SAS 2.5" 12Gb HDD KIT FOR R640 R740 R740XD R940 C6420
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  • $195.00 
LOT OF 10-Dell EXOS G2G54 ST1200MM0099 1.2TB 10KRPM 12Gbps 2.5"SAS HDD HardDrive
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  • $775.00 
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WD Red Pro 4TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch - WD4001FFSX
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Used - Like New WD Red Pro 4TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch - WD4001FFSX
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Length (maximum): 147.00mm
  • Model #: WD4001FFSX
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HDEPQ03D0A51 Dell 1TB 7.2K SATA 6G LFF Hard Drive
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J770N ST9500530NS Dell 500GB 7200RPM 3Gbps 2.5"SATA SERVERHDD Hard Drive W/RTray
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HP EG1200FDJYT Msa 1.2Tb 10000Rpm Sas 6Gbits Sff 2.5Inch Dual Port Enterprise Hard Drive With Tray
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  • $98.01
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  • $85.00 
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J164R WD2002FYPS Dell ENTERPRISE 2TB 5400RPM 3Gbps 3.5"SATA SERVER HDD HardDrive
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WD1003FBYZ-010FB0 - Western Digital RE 1TB 7200RPM SATA 6Gb/s 64MB Cache 3.5-inch Hard Drive
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  • $80.00 
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VYRKH DELL 2TB 7.2K SAS 3.5 HDD 6Gbps
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DELL
VYRKH DELL 2TB 7.2K SAS 3.5 HDD 6Gbps
  • Model #: 132-469161000262159
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WD Red Pro WD8003FFBX 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
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WD Red Pro WD8003FFBX 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive Bare Drive
  • NAND Flash Memory Type: Hard Drives
  • Recording Technology: CMR
  • Height (maximum): 26.10mm
  • Width (maximum): 101.60mm
  • Model #: WD8003FFBX

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