As of April 2026, the cheapest 8TB hard drives (hdd) on BuyPerUnit costs $0.0212/GB — a Seagate Seagate - Barracuda 8TB Internal SATA Hard Drive for Desktops (8 TB) available at Best Buy for $169.99. BuyPerUnit tracks 20 8TB hard drives (hdd) across Amazon, Best Buy, and Newegg, updated daily.

8TB Hard Drives (HDD)

20 8TB products ranked by price per gigabyte. Best value: $0.0212/GB

Products

20

Best $/GB

$0.0212

Highest $/GB

$0.1057

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1

Seagate - Barracuda 8TB Internal SATA Hard Drive for Desktops

SeagateBest BuyHDD
4.6(411)

Capacity

8 TB

Price

$169.99

$/GB

$0.021

Check Price at Best Buy
2

Seagate - Game Drive for Xbox 8TB External USB 3.2 Gen 1 Desktop Hard Drive with Certified Xbox Green LED Lighting - Black

SeagateBest BuyHDD
4.6(78)

Capacity

8 TB

Price

$199.99

$/GB

$0.025

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3

Seagate BarraCuda Internal Hard Drive 8TB SATA 6Gb/s 256MB Cache 3.5-Inch (ST8000DM004),Mechanical Hard Disk

SeagateAmazon2yrHDD

Capacity

8 TB

Price

$208.00

$/GB

$0.026

Check Price at Amazon
4

Seagate - Barracuda 8TB Internal Hard Drive for Desktops

SeagateBest Buy2yrHDD
4.6(411)

Capacity

8 TB

Price

$229.99

$/GB

$0.029

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5

Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004)

SeagateAmazonHDD

Capacity

8 TB

Price

$229.99

$/GB

$0.029

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6

WD - Blue 8TB PC Internal Hard Drive for Desktops

Western DigitalBest Buy2yrHDD
4.2(18)

Capacity

8 TB

Price

$239.99

$/GB

$0.030

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7

Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ

Western DigitalAmazon2yrHDD

Capacity

8 TB

Price

$239.99

$/GB

$0.030

Check Price at Amazon
8

Western Digital 8TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Backup Software - WDBBGB0080HBK-NESN

Western DigitalAmazonHDD

Capacity

8 TB

Price

$242.99

$/GB

$0.030

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9

Seagate - IronWolf 8TB NAS Internal Hard Drive with Rescue Data Recovery Services

SeagateBest Buy3yrHDD
4.8(191)

Capacity

8 TB

Price

$249.99

$/GB

$0.031

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10

Seagate - Expansion Desktop 8TB HDD - Black

SeagateBest Buy1yrHDD
4.7(170)

Capacity

8 TB

Price

$249.99

$/GB

$0.031

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11

Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)

SeagateAmazonHDD

Capacity

8 TB

Price

$249.99

$/GB

$0.031

Check Price at Amazon
12

Dell 8TB 7.2K RPM SATA 6Gb/s 512e 3.5in Enterprise PowerEdge Hard Drive for R440 R750 R450 T150 R470 T560 T40 R250 R740 R640 T550 T350 R540 R840 ME4024 R650XS R350 R340 J7W80 G16

DellAmazon3yrHDD

Capacity

8 TB

Price

$264.64

$/GB

$0.033

Check Price at Amazon
13

WD - easystore 8TB External USB 3.0 Hard Drive - Black

Western DigitalBest Buy2yrHDD
4.7(7,212)

Capacity

8 TB

Price

$279.99

$/GB

$0.035

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14

Western Digital 8TB Elements Desktop External Hard Drive, USB 3.0 external hard drive for plug-and-play storage - Western DigitalBWLG0080HBK-NESN, Black

Western DigitalAmazonHDD

Capacity

8 TB

Price

$279.99

$/GB

$0.035

Check Price at Amazon
15

WD Western Digital 8TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD8002FZBX

Western DigitalAmazon5yrHDD

Capacity

8 TB

Price

$279.99

$/GB

$0.035

Check Price at Amazon
16

WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Western DigitalBest Buy3yrHDD
4.7(973)

Capacity

8 TB

Price

$299.99

$/GB

$0.037

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17

Western Digital 8TB WD Purple Pro Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 256 MB Cache, 3.5" - WD8002PURP

Western DigitalAmazon5yrHDD

Capacity

8 TB

Price

$340.57

$/GB

$0.043

Check Price at Amazon
18

Buffalo 8 TB Hard Drive - Internal - TAA Compliant

BuffaloNeweggHDD

Capacity

8TB

Price

$358.22

$/GB

$0.045

Check Price at Newegg
19

Western Digital 8TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD84PURZ

Western DigitalAmazonHDD

Capacity

8 TB

Price

$389.99

$/GB

$0.049

Check Price at Amazon
20

Crucial X10 8TB Portable SSD, Up to 2,100MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac & Android, Durable Storage for Games, Photos & Files, Blue - CT8000X10SSD9-02

CrucialAmazonHDD

Capacity

8 TB

Price

$845.99

$/GB

$0.106

Check Price at Amazon
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About 8TB Hard Drives (HDD)

Compare all 8TB hard drives (hdd) sorted by price per gigabyte. BuyPerUnit tracks 20 products in the 8TB capacity range to help you find the best storage deals. Prices range from $0.0212/GB to $0.1057/GB.

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