Hard Drives (HDD)

Ranked by price per gigabyte

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Ranked by:$/GB
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901

Seagate BarraCuda 7200.9 ST3300622AS 300GB 7200 RPM 16MB Cache SATA 3.0Gb/s 3.5' Hard Drive Bare Drive

SeagateNeweggHDD65% below this page’s avg

Capacity

300GB

Price

$75.00

$/GB

$0.250

Check Price at Newegg ↗
902

Seagate BarraCuda 7200.10 ST3250310AS 250GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD64% below this page’s avg

Capacity

250GB

Price

$65.00

$/GB

$0.260

Check Price at Newegg ↗
903

Lenovo 1.20 TB 3.5' Internal Hard Drive

LenovoNeweggHDD63% below this page’s avg

Capacity

1.2TB

Price

$319.00

$/GB

$0.266

Check Price at Newegg ↗
904

Lenovo 1.2 TB Hard Drive 00WG700 1.2TB HDD

LenovoNeweggHDD62% below this page’s avg

Capacity

1.2TB

Price

$325.00

$/GB

$0.271

Check Price at Newegg ↗
905

Lenovo 1 TB Hard Drive 3.5' Internal SATA SATA/600 - Hot Swappable 4XB7A97045

LenovoNeweggHDD90d low

Capacity

1TB

Price

$271.51

$/GB

$0.272

Check Price at Newegg ↗
906

Seagate BarraCuda 7200.12 ST3160318AS 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD61% below this page’s avg

Capacity

160GB

Price

$44.10

$/GB

$0.276

Check Price at Newegg ↗
907

TOSHIBA MK1676GSX (HDD2J96) 160GB 5400 RPM SATA 2.5' Internal Notebook Hard Drive Retail

ToshibaNeweggHDD61% below this page’s avg

Capacity

160GB

Price

$44.38

$/GB

$0.277

Check Price at Newegg ↗
908

TOSHIBA MK1652GSX(HDD2H03) 160GB 5400 RPM 8MB Cache SATA 1.5Gb/s 2.5' Internal Notebook Hard Drive Bare Drive

ToshibaNeweggHDD61% below this page’s avg

Capacity

160GB

Price

$44.40

$/GB

$0.278

Check Price at Newegg ↗
909

APRICORN Aegis Padlock Fortress 1TB USB 3.0 Portable FIPS 140-2 Encrypted External Hard Drive With PIN Access

APRICORNNeweggHDD61% below this page’s avg

Capacity

1TB

Price

$278.99

$/GB

$0.279

Check Price at Newegg ↗
910

Seagate Pipeline HD ST3320311CS 320GB 5900 RPM 8MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD61% below this page’s avg

Capacity

320GB

Price

$90.19

$/GB

$0.282

Check Price at Newegg ↗
911

Seagate BarraCuda 7200.9 ST3500641AS-RK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Retail Kit

SeagateNeweggHDD60% below this page’s avg

Capacity

500GB

Price

$141.10

$/GB

$0.282

Check Price at Newegg ↗
912

toshiba mk6461gsy new factory sealed. 640gb laptop internal sata hard drive fast 7 toshiba mk6461gsy flickr - photo sharing!

ToshibaNeweggHDD59% below this page’s avg

Capacity

640GB

Price

$186.45

$/GB

$0.291

Check Price at Newegg ↗
913

TOSHIBA MKxx33GSG Series MK1633GSG 160GB 5400 RPM 16MB Cache SATA 3.0Gb/s 1.8' Internal Hard Drive Retail

ToshibaNeweggHDD59% below this page’s avg

Capacity

160GB

Price

$47.06

$/GB

$0.294

Check Price at Newegg ↗
914

Seagate SV35.3 ST3250310SV 250GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD55% below this page’s avg

Capacity

250GB

Price

$80.19

$/GB

$0.321

Check Price at Newegg ↗
915

Seagate BarraCuda 7200.10 ST3160815AS 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5' Hard Drive Bare Drive

SeagateNeweggHDD55% below this page’s avg

Capacity

160GB

Price

$51.46

$/GB

$0.322

Check Price at Newegg ↗
916

iStorage diskAshur2 HDD 1TB Red - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware

iStorageNeweggHDD52% below this page’s avg

Capacity

1TB

Price

$339.95

$/GB

$0.340

Check Price at Newegg ↗
917

iStorage diskAshur2 HDD 1TB Blue - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware

iStorageNeweggHDD52% below this page’s avg

Capacity

1TB

Price

$339.95

$/GB

$0.340

Check Price at Newegg ↗
918

iStorage diskAshur2 HDD 1TB Black - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware

iStorageNeweggHDD52% below this page’s avg

Capacity

1TB

Price

$339.95

$/GB

$0.340

Check Price at Newegg ↗
919

HGST HTE723225A7A364 0J13212 Travelstar Z7K320 250Gb 7200RPM SATA 2.5' HardDrive

HGSTNeweggHDD52% below this page’s avg

Capacity

250GB

Price

$85.00

$/GB

$0.340

Check Price at Newegg ↗
920

Seagate BarraCuda 7200.9 ST3160812AS 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5' Hard Drive Bare Drive

SeagateNeweggHDD47% below this page’s avg

Capacity

160GB

Price

$60.50

$/GB

$0.378

Check Price at Newegg ↗
921

WD Blue WD5000LPZX 500 GB Hard Drive - 2.5' Internal - SATA (SATA/600) - 5400rpm

Western DigitalNeweggHDD47% below this page’s avg

Capacity

500GB

Price

$190.10

$/GB

$0.380

Check Price at Newegg ↗
922

Lenovo 1.20 TB 2.5' Internal Hard Drive

LenovoNeweggHDD46% below this page’s avg

Capacity

1.2TB

Price

$460.10

$/GB

$0.383

Check Price at Newegg ↗
923

Seagate NL35 ST3250823NS 250GB 7200 RPM 8MB Cache SATA 1.5Gb/s 3.5' Hard Drive Bare Drive

SeagateNeweggHDD46% below this page’s avg

Capacity

250GB

Price

$97.00

$/GB

$0.388

Check Price at Newegg ↗
924

HGST Travelstar 0J26053 320 GB 2.5-inch Internal Hard Drive - SATA - 7200 - 32 MB Buffer

HGSTNeweggHDD45% below this page’s avg

Capacity

320GB

Price

$124.68

$/GB

$0.390

Check Price at Newegg ↗
925

iStorage diskAshur PRO2 HDD 1TB Secure portable hard drive FIPS Level 2 certified - password protected, dust and water resistant, military grade

iStorageNeweggHDD45% below this page’s avg

Capacity

1TB

Price

$389.95

$/GB

$0.390

Check Price at Newegg ↗
926

iStorage diskAshur PRO2 HDD 1TB Secure portable Hard Drive FIPS Level 3 certified - password protected, dust and water resistant, military grade

iStorageNeweggHDD45% below this page’s avg

Capacity

1TB

Price

$389.95

$/GB

$0.390

Check Price at Newegg ↗
927

WD Caviar Black WD1002FAEX 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive

Western DigitalNeweggHDD45% below this page’s avg

Capacity

1TB

Price

$394.45

$/GB

$0.394

Check Price at Newegg ↗
928

Seagate BarraCuda ES.2 ST3500320NS 500GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD44% below this page’s avg

Capacity

500GB

Price

$200.19

$/GB

$0.400

Check Price at Newegg ↗
929

Lenovo 7XB7A00036 1TB 2.5' SATA 7200rpm Internal Hard Drive - Hot Swappable

LenovoNeweggHDD43% below this page’s avg

Capacity

1TB

Price

$406.32

$/GB

$0.406

Check Price at Newegg ↗
930

HPE 656108-001 1 TB Hard Drive - 2.5' Internal - SATA (SATA/600)

HPNeweggHDD41% below this page’s avg

Capacity

1TB

Price

$424.10

$/GB

$0.424

Check Price at Newegg ↗
931

Lenovo 500 GB External Hard Drive Cartridge

LenovoNeweggHDD39% below this page’s avg

Capacity

500GB

Price

$218.90

$/GB

$0.438

Check Price at Newegg ↗
932

Seagate BarraCuda 7200.10 ST3200820AS 200GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5' Hard Drive (Perpendicular Recording) Bare Drive

SeagateNeweggHDD38% below this page’s avg

Capacity

200GB

Price

$89.00

$/GB

$0.445

Check Price at Newegg ↗
933

DataLocker DL4 FE 1TB USB 3.2 Portable External Hard Drive DL41TBFE

DataLockerNeweggHDD37% below this page’s avg

Capacity

1TB

Price

$448.32

$/GB

$0.448

Check Price at Newegg ↗
934

Seagate BarraCuda 7200.10 ST380815AS 80GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD37% below this page’s avg

Capacity

80GB

Price

$36.00

$/GB

$0.450

Check Price at Newegg ↗
935

HGST Travelstar Z5K320 HTS543225A7A384 (0A78602) 250GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5' Internal Notebook Hard Drive Bare Drive

HGSTNeweggHDD34% below this page’s avg

Capacity

250GB

Price

$116.96

$/GB

$0.468

Check Price at Newegg ↗
936

Axiom 2 TB Hard Drive - Internal - SATA (SATA-600)

AxiomNeweggHDD33% below this page’s avg

Capacity

2TB

Price

$957.31

$/GB

$0.479

Check Price at Newegg ↗
937

Lenovo 4 TB Hard Drive 3.5' Internal SATA SATA/600 4XB7A77447

LenovoNeweggHDD29% below this page’s avg

Capacity

4TB

Price

$2023.98

$/GB

$0.506

Check Price at Newegg ↗
938

TOSHIBA MK8009GAH 80GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 1.8' Notebook Hard Drive

ToshibaNeweggHDD26% below this page’s avg

Capacity

80GB

Price

$42.36

$/GB

$0.529

Check Price at Newegg ↗
939

iStorage diskAshur2 HDD 500GB Black - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware

iStorageNeweggHDD24% below this page’s avg

Capacity

500GB

Price

$269.95

$/GB

$0.540

Check Price at Newegg ↗
940

Seagate SV35.2 ST3250820AV 250GB 7200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 3.5' Hard Drive Bare Drive

SeagateNeweggHDD22% below this page’s avg

Capacity

250GB

Price

$140.00

$/GB

$0.560

Check Price at Newegg ↗
941

Western Digital Scorpio Blue WD3200BEVE 320GB 5400 RPM PATA 2.5' Internal Notebook Hard Drive Bare Drive

Western DigitalNeweggHDD

Capacity

320GB

Price

$190.00

$/GB

$0.594

Check Price at Newegg ↗
942

iStorage diskAshur PRO2 HDD 500GB Secure portable hard drive FIPS Level 2 certified - password protected, dust and water resistant, military grade

iStorageNeweggHDD

Capacity

500GB

Price

$299.95

$/GB

$0.600

Check Price at Newegg ↗
943

Seagate Momentus 7200.2 ST9160823ASG 160GB 7200 RPM 8MB Cache SATA 3.0Gb/s 2.5' Notebook Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

160GB

Price

$114.19

$/GB

$0.714

Check Price at Newegg ↗
944

TOSHIBA MK3263GSX 320GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5' Internal Notebook Hard Drive Bare Drive

ToshibaNeweggHDD

Capacity

320GB

Price

$241.70

$/GB

$0.755

Check Price at Newegg ↗
945

Seagate Cheetah 15K.5 ST3300655LC 300GB 15000 RPM 16MB Cache SCSI Ultra320 80pin 3.5' Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

300GB

Price

$228.85

$/GB

$0.763

Check Price at Newegg ↗
946

Seagate Momentus 7200.1 ST980825AS 80GB 7200 RPM 8MB Cache SATA 1.5Gb/s 2.5' Notebook Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

80GB

Price

$63.00

$/GB

$0.787

Check Price at Newegg ↗
947

Seagate BarraCuda 7200.10 ST380215AS 80GB 7200 RPM 2MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

80GB

Price

$71.00

$/GB

$0.887

Check Price at Newegg ↗
948

TOSHIBA MK6026GAX 60GB 5400 RPM 16MB Cache IDE Ultra ATA100 / ATA-6 2.5' Notebook Hard Drive Bare Drive

ToshibaNeweggHDD

Capacity

60GB

Price

$56.42

$/GB

$0.940

Check Price at Newegg ↗
949

HP 450GB 15000 RPM 3.5' Internal Hard Drive

HPNeweggHDD

Capacity

450GB

Price

$444.00

$/GB

$0.987

Check Price at Newegg ↗
950

Western Digital Scorpio Blue WD1200BEVE 120GB 5400 RPM 8MB Cache PATA 2.5' Internal Notebook Hard Drive Bare Drive

Western DigitalNeweggHDD

Capacity

120GB

Price

$129.95

$/GB

$1.083

Check Price at Newegg ↗
951

Western Digital Purple Pro WD141PURP 14 TB Hard Drive - 3.5' Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method WD141PURP

Western DigitalNeweggHDD90d low

Capacity

14TB

Price

$15500.00

$/GB

$1.107

Check Price at Newegg ↗
952

seagate barracuda ata iv 40gb udma/100 7200rpm 2mb ide hard drive

SeagateNeweggHDD

Capacity

40GB

Price

$50.00

$/GB

$1.250

Check Price at Newegg ↗
953

Seagate BarraCuda 7200.10 ST380215A 80GB 7200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

80GB

Price

$119.95

$/GB

$1.499

Check Price at Newegg ↗
954

Seagate EE25.2 Series ST980817SM 80GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5' Extreme Class Internal Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

80GB

Price

$128.00

$/GB

$1.600

Check Price at Newegg ↗
955

toshiba mk3006gal 30gb udma/66 4200rpm 2mb 1.8' mini hard drive

ToshibaNeweggHDD

Capacity

30GB

Price

$59.95

$/GB

$1.998

Check Price at Newegg ↗
956

Seagate Cheetah 15K.5 ST3300655LW 300GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

300GB

Price

$599.95

$/GB

$2.000

Check Price at Newegg ↗
957

TOSHIBA HDD2193 (MK4026GAX) 40GB 5400 RPM 16MB Cache IDE Ultra ATA100 / ATA-6 2.5' Notebook Hard Drive Bare Drive

ToshibaNeweggHDD90d low

Capacity

40GB

Price

$96.10

$/GB

$2.402

Check Price at Newegg ↗
958

TOSHIBA Super Slimline MK6021GAS (HDD2183) 60GB 4200 RPM 2MB Cache IDE Ultra ATA100 / ATA-6 2.5' Notebook Hard Drive Bare Drive

ToshibaNeweggHDD90d low

Capacity

60GB

Price

$145.09

$/GB

$2.418

Check Price at Newegg ↗
959

Seagate BarraCuda ST500DM009-25PK 500GB 7200 RPM 16MB Cache SATA 6.0Gb/s 3.5' Hard Drive, 25-Pack

SeagateNeweggHDD

Capacity

500GB

Price

$1275.00

$/GB

$2.550

Check Price at Newegg ↗
960

Seagate Cheetah 15K.5 ST3146855LW 147GB 15000 RPM 16MB Cache SCSI Ultra320 68pin 3.5' Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

147GB

Price

$459.95

$/GB

$3.129

Check Price at Newegg ↗
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Buy Cheap Hard Drives: Find the Best HDD Deals in 2026

Looking to buy cheap hard drives? You're in the right place. BuyPerUnit compares 1107+ HDDs ranked by price per gigabyte — a capacity-cost comparison to use alongside compatibility, performance and warranty.

Right now, the cheapest HDD storage starts at just $0.027/GB, while the average on this page is $0.714/GB. Whether you need bulk storage for backups, a NAS, or a media server, we help you find the best deal. For faster storage, compare SSDs here.

HDD Buying Guide: Get the Best Value

1. Compare Price Per GB

A $150 4TB drive ($0.037/GB) beats a $70 1TB drive ($0.07/GB) in value. Always divide price by capacity to find the real cost — that's what we do for every listing.

2. Bigger = Cheaper Per GB

Storage follows economies of scale. 4TB+ drives almost always have the lowest price per gigabyte. Buy more capacity upfront to save long-term.

3. Match RPM to Your Use Case

7200 RPM drives are faster and better for desktop use or active NAS workloads. 5400 RPM drives run cooler and quieter — ideal for bulk archival or always-on backup drives where speed is less critical.

4. Watch for Sales

Hard drive prices fluctuate. We update prices daily so you can catch the best deals. Bookmark this page and check back regularly.

3.5" Desktop vs 2.5" Laptop HDD: Which Should You Buy?

TypeTypical $/GBMax CapacityBest For
3.5" Desktop HDD$0.015–0.02520TB+Desktop PC, NAS, media server
2.5" Laptop HDD$0.025–0.0455TBLaptop upgrade, portable use
External HDD$0.020–0.04020TB+Backup, portable storage, archiving

Frequently Asked Questions About Buying Hard Drives

What is the cheapest hard drive per GB right now?
The cheapest HDD storage per gigabyte is currently $0.0275/GB. Large capacity 3.5" desktop drives (6TB+) from Seagate or WD consistently offer the lowest price per gigabyte in the HDD category.
Is it better to buy one large hard drive or multiple smaller ones?
One large drive is almost always cheaper per GB. However, multiple drives provide redundancy — if one fails, you don't lose everything. For important data, consider buying two drives and keeping backups on both.
Should I buy 5400 RPM or 7200 RPM?
For desktop use or a NAS with active read/write workloads, 7200 RPM is noticeably faster and worth the small premium. For cold storage, archival backups, or always-on low-activity drives, 5400 RPM runs cooler, quieter, and uses less power.
When is the best time to buy cheap hard drives?
Black Friday, Cyber Monday, and Amazon Prime Day typically have the best deals. However, prices fluctuate year-round. We update our rankings daily so you can always find the current best value.
What brands make the most reliable hard drives?
Seagate, Western Digital (WD), and Toshiba are the three major HDD manufacturers. All produce reliable drives at different price points. Seagate Barracuda and WD Blue are popular desktop choices; WD Red and Seagate IronWolf are designed for NAS use.

How We Find the Cheapest Hard Drives

BuyPerUnit calculates the price per gigabyte for every hard drive by dividing the current price by the storage capacity. This gives you the true cost of storage, making it easy to compare drives of different sizes.

Products are ranked from best value (lowest $/GB) to worst. We update prices regularly from Amazon, Best Buy, and Newegg to ensure you always see current deals. Click any product to view the latest price and purchase directly.

BuyPerUnit is an affiliate site. We earn a commission when you purchase through our links at no extra cost to you.

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