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1FE200-157 900GB 10000RPM SAS 2.5Inch Seagate Hard Drive
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  • $269.00 
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Dell 400-AMXK - 6TB 3.5'' SAS 7.2K 12Gb's Hot Swap Hard Drive
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  • $299.00 
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401-ABHS T93C2 2.4TB 10K SAS 3.5" 12Gb/s Hard Drive replacement hybrid kit
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  • $500.00 
XX517 HUS154545VLS300 (LOT OF 5PC) DELL 450GB 15K 3.5'' SAS HDD FOR DELL
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  • $181.95 
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FJG84 80GB 5400RPM SATA 2.5Inch Dell Hard Drive
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  • $12.97 
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90P1384 90P1322 IBM 73.4GB 15k U320 SCSI 80-pin HDD
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HP 658427-001 Storageworks P2000
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  • $147.00 
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HTS541010A9E680 0J26333 HGST 5K1000 1TB 5.4K 6G 2.5in SATA Hard Drive
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  • $225.00 
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401-AASQ DELL ENTERPRISE CLASS 1.2TB 10K SAS 2.5" 12Gb/s HDD KIT
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  • $150.00 
32P0726 32P0729 33P3390 IBM 36GB 10K RPM Ultra320 3.5" SCSI HDD Hard Drive
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  • $150.00 
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(NOT FOR HOME PC!) Dell 146GB 15K 6Gbps SAS 2.5 HDD (61XPF-OSTK)
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  • $65.00 
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36RH9 036RH9 Dell 1.2TB 10K SAS 2.5" 6Gbps ENT HDD ST1200MM0088
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  • $52.95 
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Dell 400-ALUO / 7RNDN 1TB 3.5 12Gbps 7.2K RPM NearLine SAS HDD Hybrid Kit KG1CH
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  • $150.00 
Dell Hybrid Hard Drive - 1 TB 400-ALUL Hard Drive
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  • $150.00 
400-AFTY DELL ENTERPRISE CLASS 1.2TB 10K SAS 2.5" 12Gb/s HDD KIT
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  • $150.00 
401-AASM DELL ENTERPRISE CLASS 1.2TB 10K SAS 2.5" 12Gb/s HDD KIT
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  • $150.00 
HUA722010CLA330 0A39289 HGST ULTRASTAR 1TB 7.2K RPM 3Gbps 3.5"SATA HDD HardDrive
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4J5P1 DELL 600GB 15K 6Gbps SAS SFF HDD 04J5P1 HUC156060CSS204
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  • $94.95 
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463-7474 DELL 1.2TB 10K SAS 2.5"-3.5" 12Gb/s HDD 13G HYBRID KIT
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  • $150.00 
P1577A HP/COMPAQ 36.4GB ULTRA-160 10000RPM 68-PIN SCSI LVD HARD DRIVE
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  • $195.10 
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96G91 Dell 600GB 10K 6GBps 2.5" HardDrive WD6001BKHG 096G91 W/TRAY
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  • $39.95 
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HPE 872487-B21 872745-001 4TB 7.2K 12G 3.5in SAS Hard Drive MB4000JVYZQ
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  • $174.96 
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LOT OF 10 - Dell DRMYH 0DRMYH 4TB 7.2K RPM 6Gb/s 3.5" SAS SERVER HDD Hard Drive
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  • $1,650.00 
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HP 449978-001 80Gb 7200Rpm Sataii 3.5 Inch Hard Disk Drive
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  • $50.00 
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"Dell 400-AJON 1.2TB 2.5"" SFF 12Gbps 10K RPM 13 Gen SAS HDD 8FKXC Kit"
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  • $150.00 
692166-001 691866-B21 HP S3700 SERIES 400GB 6Gbps 2.5" SATA Solid State Drive
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  • $90.00 
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RK533 160GB 7200RPM SATA 2.5Inch Dell Hard Drive
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  • $20.49 
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"Dell 400-ALUQ CFMWR 1TB 2.5"" 12Gbps 7.2K RPM Near Line HS SAS Kit"
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  • $150.00 
0DR238 146GB 10000RPM SAS 3.5Inch Dell Hard Drive
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  • $65.10 
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LOT OF 20-Seagate ST3600057SS 9FN066 600GB 15K RPM 6Gb/s 3.5" SAS HDD Hard Drive
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4TB SAS FIPS 140-2 validated self-encrypting drive (SED) - 7 (750778-001)
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  • $99.10 
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KRH94 500GB 5400RPM SATA 2.5Inch Dell Hard Drive
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  • $40.97 
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3951W 320GB 5400RPM SATA 2.5Inch Dell Hard Drive
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  • $20.49 
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Dell Emc N38D8 10TB 7.2K 3.5" SAS 12Gbps 4Kn Hot-Plug Hard Drive
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  • $350.00 
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Dell YP778 300GB 15K SAS 3Gb/s 3.5" Hard Drive
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  • $58.95 
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Dell HT953 300GB 15K SAS 3Gb/s 3.5" Hard Drive
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  • $65.00 
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Dell 0VX8J 00VX8J 600GB 6G SAS 15K 3.5in ENT HDD ST3600057SS
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  • $128.95 
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Dell 2G4HM 2TB 72K 3Gbps 3.5" SATA Internal Hard Drive
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  • $56.95 
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Dell 1.2TB 10K 12Gbps SAS 2.5 HDD 512n (400-ATJM) (400-ATJM)
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  • $165.00 
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0XT764 73GB 15000RPM SAS 2.5Inch Dell Hard Drive
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  • $47.00 
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Dell 300GB 2.5" SAS 15,000 RPM 6Gb/s Hard Drive
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  • $52.00 
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Dell V0K7V 1.92TB SAS 2.5" 12G MU SSD Solid State Drive PX05SVB192Y
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HPE 14 TB Hard Drive - SATA (SATA/600) - 3.5" Drive - Internal
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  • $374.45 
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K850F 250GB 7200RPM SATA 2.5Inch Dell Hard Drive
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  • $18.97 
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LOT OF 10-VTHDD HUC101818CS4204 Dell 1.8TB 10KRPM 12Gbps 2.5" SAS HDD Hard Drive
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  • $1,400.00 
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Dell 146GB 15K 3.5 SAS Hard Drive (XX518)
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  • $65.00 
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HP128 80GB 5400RPM SATA 2.5Inch Dell Hard Drive
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  • $23.49 
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LOT OF 10 990FD Dell 600GB 2.5" SAS 6Gb 15K Hard Drive HDEAE00DAA51 Refurbished
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  • $340.00 
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Dell ST4000NM0023 4Tb 7.2K RPM 6Gbps SAS Hard Disk Drive
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  • $48.85 
900GB 12G SAS 10K 2.5in ENT SC
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  • $287.19 
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Dell 1.2TB 10K 12Gbps SAS 2.5 HDD 512n (400-AJPZ) (400-AJPZ)
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  • $165.00 
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Dell 1.2TB 10K 12Gbps SAS 2.5 HDD 512n (400-AFMO) (400-AFMO)
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  • $165.00 
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Dell Internal Hard Drive 67TMT 2TB 7200 RPM
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  • $89.00 
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Dell 600GB 15000RPM 3.5 SAS 16MB Cache Hard Drive
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  • $87.95 
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Dell Computer 462-6785 10000 Rpm Hd 1.2tb Serial Att Int Scsi Hot Plug 342-5521
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  • $150.00 
Lot of 10 0JY57X JY57X Dell GEN14 1.8TB 10K RPM 12Gb/s 2.5"SAS SERVER Hard Drive
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  • $1,750.00 
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Ca06778-b20300dl Dell 146gb Sas 15k 3gbps 3.5 Hard Drive
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  • $60.00 
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N230F 80GB 5400RPM SATA 2.5Inch Dell Hard Drive
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  • $19.49 
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Dell PGHJG 300GB 10K 6Gbps 2.5" SAS Internal Hard Drive
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  • $48.95 
Dell 1.2TB 10K 12Gbps SAS 2.5 HDD 512n (400-BDLR) (400-BDLR)
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  • $165.00 
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Dell 1.2TB 10K 12Gbps SAS 2.5 HDD 512n (400-ATJL) (400-ATJL)
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  • $165.00 
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W347K DELL 600GB 15K SAS 3.5" 6Gb/s HARD DRIVE REF
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  • $89.95 
Dell M5XD9 1TB 7200 RPM SAS 6Gb/s 3.5" Internal Hard Drive
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  • $105.00 
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F0V7R 600GB 10000RPM SAS 2.5Inch Dell Hard Drive
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  • $56.00 
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Dell 1TB 7.2K 6Gbps SATA 3.5 HDD 512n (ST1000NM0033)
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  • $59.50 
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R7FKF 2TB 7200RPM SAS 3.5Inch Dell Hard Drive
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  • $77.95 
Dell Internal Hard Drive 1P7DP 2TB 7200 RPM
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  • $100.00 
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Dell 300GB 2.5 6GB SAS 10K T871K Internal Hard Drive
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  • $45.00 
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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