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9TE066-035 300GB 10000RPM SAS 2.5Inch HP Hard Drive
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  • $157.00 
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Dell 600GB, 10K RPM, SAS, 2.5" R series tray - 7T0DW
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  • $64.00 
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Dell THGNN 4TB 7.2K 6Gbps 3.5 SATA Hard Drive
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  • $270.00 
Dell X7HDT 10TB 7.2k nl Sas 12gbps 256mb 512e 3.5" hot Plug hdd
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  • $350.00 
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HPE MSA Enterprise 14TB SAS 7.2K LFF 3.5 M2 HDD (P13252-001)
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HGST 0B36048 ULTRASTAR ES 3.5 4TB SAS 256MB 72000RPM 512E SE P3 7K6 Bare
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  • $247.49 
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Dell 600GB 10K 12Gbps SAS 2.5 HDD (AL14SEB060N)
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  • $47.85 
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Dell 2.4TB 10K 12Gbps SAS 2.5 HDD 512e (400-AVBX) (400-AVBX)
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  • $325.00 
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DELL 300GB SSD MLC SATA 3G 2.5" HARD DRIVE/W TRAY
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  • $214.99 
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Dell 300GB, 10K RPM, SAS w/ tray, 2.5"   - 740Y7
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  • $30.00 
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Dell 4TB 7.2K 12Gbps NL SAS 3.5 HDD 512n CPO (YXG4K-R)
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  • $119.00 
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Dell 2.4TB 10K 12Gbps SAS 2.5 HDD 512e (400-AUSL) (400-AUSL)
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  • $325.00 
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Dell 1TB 7.2K 2.5in SATA 6Gbs HDD (9KW4J) (Renewed)
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  • $41.00 
00WG665 LENOVO 600GB SAS 15K 12Gb/s 2.5IN G3HS HDD 00WG666 00WG669
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  • $225.95 
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FUJITSU Dell 146GB 15K RPM 3.5" SAS DRIVE MBA3147RC w/ tray
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  • $59.90 
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Dell FV504 - Dell 4TB 3.5" SAS 7.2K 6Gb/s Hard Drive
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  • $400.00 
KRDKK 8TB 7200RPM SAS 3.5Inch Dell Hard Drive
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  • $275.00 
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Dell 600GB 10K 6Gbps SAS 2.5 HDD (7YX58)
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  • $57.50 
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Dell 400-ALNY 4TB 3.5" 7200rpm SAS Internal Hard Drive
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  • $400.00 
IBM 49Y1840 300 GB Hard Drive - 2.5" Internal - SAS (6Gb/s SAS)
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  • $200.01 
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Dell 2TB, 5400RPM, SATA w/ tray - J164R
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  • $74.00 
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Dell 300GB 10K 12Gbps SAS 2.5 HDD 512n (FF02R)
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  • $51.00 
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Dell P252M 300GB 10K SAS 2.5 6G HUC103030CS600
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  • $40.00 
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Dell 2TB 7.2K 6Gbps NL SAS 3.5 HDD (1P7DP-CO2)
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  • $99.00 
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Dell 4 TB 3.5" Internal Hard Drive
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  • $400.00 
HP 695507-001 1TB 7.2K 6G SAS LFF DP MD HDD
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  • $42.95 
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  • $38.95 - $42.95
CVC8H 6TB 7200RPM SAS 3.5Inch Dell Hard Drive
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  • $299.00 
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Dell 1TB, 7200RPM, SAS w/ tray - T4XNN
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  • $68.00 
T6twn Dell 1.2tb 10k 2.5inch Sas Hdd
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  • $47.95 
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Dell 300GB 10K 6Gbps SAS 2.5 HDD (P252M-CO2)
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  • $40.00 
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Dell N475Y 6TB 7.2K 3.5" SAS 12Gbps 4Kn Hot-Plug Hard Drive
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  • $299.00 
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DELL 529FG ST4000NM0023 9ZM270-150 4TB 7.2K SAS 3.5" HDD
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  • $125.00 
Dell 028J2 - Dell 4TB 3.5" SAS 7.2K 6Gb/s Hard Drive
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  • $400.00 
01EJ599 01EJ935 01EJ937 IBM V5000 3.84TB 12Gbps 2.5" SAS Solid State Drive
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4F32F 6TB 7200RPM SAS 3.5Inch Dell Hard Drive
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  • $305.00 
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RHVWG 6TB 7200RPM SAS 3.5Inch Dell Hard Drive
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  • $299.00 
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Dell 7YX58 600GB 10K SAS 2.5 6G ST600MM0006
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  • $57.50 
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00NA232 600GB 15000RPM SAS 2.5Inch IBM Hard Drive
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  • $172.99 
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0-HOURS IBM V3700 01EJ833 01LJ191 01LJ190 3.84TB 12G 2.5" SAS Solid State Drive
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IBM V5000 01EJ602 01EJ965 01EJ963 3.84TB 12Gbps 2.5" SAS Solid State Drive
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Dell 1.2TB 10K 6Gbps SAS 2.5 HDD 512n (T6TWN-CO2)
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  • $74.50 
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Dell 4TB 7.2K 6Gbps SATA 3.5 HDD (400-AUWY) (400-AUWY-OSTK)
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  • $165.00 
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LOT OF 10-ST31000524NS 9WK5ALXB Seagate 1TB 7200RPM 3Gbps 3.5"SATA HDD HardDrive
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  • $450.10 
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Dell T6TWN 1.2Tb 10K SAS 2.5" 6Gbps HDD w/WARRANTY 5q
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  • $99.00 
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342-0428 Dell 500-GB 6G 7.2K 2.5 SAS w/G176J
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  • $118.00 
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03X3917 450GB 15000RPM SAS 3.5Inch Lenovo Hard Drive
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  • $215.89 
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81Y9651 IBM 10K 900GB 6GBPS SAS 2.5 inch-SFF HS HardDrive 81Y3805
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  • $118.00 
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0VXWD 6TB 7200RPM SAS 3.5Inch Dell Hard Drive
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  • $299.00 
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Dell 1.2TB 10K 12Gbps SAS 2.5 HDD 512n (WXPCX)
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  • $104.00 
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Dell 529FG 4TB SAS 7200RPM 6GBPS rSeries
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  • $125.00 
DELL 1.2TB 10K 2.5INCH SAS HDD T6TWN
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  • $99.00 
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Dell 342-5521 1.2TB SAS 10K RPM 6GB/S SFF HDD
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  • $150.00 
P1576A 18GB 10000RPM SCSI 3.5Inch HP Hard Drive
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  • $255.10 
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Dell 400-ALCK - 6TB 3.5" SAS 7.2K 12Gb/s Hot Swap Hard Drive
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  • $399.00 
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LOT OF 10-Dell XX517 HUS154545VLS300 450GB 15K RPM 3Gb/s 3.5" SAS HDD Hard Drive
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  • $410.10 
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Dell GEN14 RWR8F ST2400MM0159 2.4TB SAS 2.5" 10K RPM 12Gb/s  Hard Drive
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  • $445.00 
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Lot of 10 9XNF6 09XNF6 Dell 1.2TB 10KRPM 12G 2.5" SAS HDD Hard Drive Refurbished
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  • $450.00 
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IBM 146GB, 10K RPM, FC - IC35L146F2DY10-0
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  • $45.10 
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00AK388 IBM 600GB 10K 6GBPS SAS 2.5'' SFF HARD DRIVE
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  • $119.00 
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HP 652747-002 - 652747-002 1TB 7.2K SFF SATA Hard Drive
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Dell 401-ABHQ 2.4TB 10K SAS 12G 2.5" PE-Series 14G PowerEdge Servers
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  • $600.00 
EG1200JETKC HPE 1.2TB 12G 10K SFF SAS SC Hard Drive
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N0Y4N DELL 600GB 10K SAS 2.5" 12Gb/s HDD W/TRAY 8FKXC FS
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  • $185.00 
453KG DELL 600GB 10K SAS 2.5" 12Gb/s HDD W/TRAY 8FKXC FS
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  • $185.00 
400-AJPP DELL 600GB 10K SAS 2.5" 12Gb/s HDD W/TRAY 8FKXC FS
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  • $185.00 
R95FG DELL 600GB 10K SAS 2.5" 12Gb/s HDD W/TRAY 8FKXC FS
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  • $185.00 
SDFAG00DAA01 Dell 3.84TB SSD SAS 12G SFF Hard Drive
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EH0300JDYTH HPE 300GB 15K 12G LFF SAS SC Hard Drive
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HPE 2 TB 3.5" Internal Hard Drive - SAS
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  • $985.10 
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HP 655710-B21 656108-001 1TB 7.2K 6G MDL SFF SATA SC HDD
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  • $58.00 
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WXPCX Dell ST1200MM0088 (Lot Of 10pc) 1.2TB 10K RPM 12Gb 2.5" SAS Hard Drive
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  • $550.00 
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Dell 400-AVFL - Dell 2.4TB 2.5" SAS 10K 12Gb/s Hard Drive
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  • $600.00 
Dell 400-AUXU - Dell 2.4TB 2.5" SAS 10K 12Gb/s Hard Drive
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  • $600.00 
EG001200JWFVA HPE 1.2TB 12G 10K SFF SAS SC Hard Drive
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765452-002 HPE 2TB 7.2K 12GB SFF SAS Hard Drive
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DELL XRC7G SANDISK 6HS-400G-21 400GB 6G 2.5IN 6GB/S SAS SSD LB406S
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  • $69.99 
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652583-B21 HP 600GB 6G SAS 10K 2.5 SC 653957-001 713964-001
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  • $59.95 
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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:

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