Hard Drives (HDD)

Ranked by price per gigabyte

Updated daily · No paid placements

Ranked by:$/GB
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301

Seagate Exos Enterprise Capacity 3.5'' HDD 4TB 7200 RPM 512n SATA 6Gb/s 128MB Cache Internal Hard Drive ST4000NM0035

SeagateNeweggHDD

Capacity

4TB

Price

$199.99

$/GB

$0.050

Check Price at Newegg
302

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

Western DigitalBest Buy3yrHDD
4.7(978)
250 / 250MB/s

Capacity

8 TB

Price

$399.99

$/GB

$0.050

Check Price at Best Buy
303

WD Red Plus 12TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 256MB Cache, 3.5 Inch - WD120EFBX

Western DigitalNeweggHDD

Capacity

12TB

Price

$599.99

$/GB

$0.050

Check Price at Newegg
304

WD Purple WD102PURZ 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive

Western DigitalNeweggHDD90d low

Capacity

10TB

Price

$499.99

$/GB

$0.050

Check Price at Newegg
305

WD Red Pro WD121KFBX 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive

Western DigitalNeweggHDD90d low

Capacity

12TB

Price

$599.99

$/GB

$0.050

Check Price at Newegg
306

Seagate Exos 7E10 ST8000NM017B 8 TB Hard Drive - Internal - SATA (SATA/600) - Storage System, Video Surveillance System Device Supported - 7200rpm...

SeagateNeweggHDD

Capacity

8TB

Price

$399.99

$/GB

$0.050

Check Price at Newegg
307

Toshiba 8 TB Hard Drive - 3.5 Internal - SATA (SATA/600) - 7200rpm MG10ADA800E

ToshibaNeweggHDD

Capacity

8TB

Price

$399.99

$/GB

$0.050

Check Price at Newegg
308

TOSHIBA MK1001TRKB 1TB 7200 RPM 16MB Cache 3.5' Internal Hard Drive

ToshibaNeweggHDD

Capacity

1TB

Price

$50.00

$/GB

$0.050

Check Price at Newegg
309

WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ

Western DigitalNeweggHDD

Capacity

8TB

Price

$400.00

$/GB

$0.050

Check Price at Newegg
310

Seagate 4TB IronWolf NAS SATA Hard Drive 6Gb/s 256MB Cache 3.5-Inch Internal Hard Drive for NAS Servers, Personal Cloud Storage (ST4000VN008),...

SeagateNeweggHDD

Capacity

4TB

Price

$200.00

$/GB

$0.050

Check Price at Newegg
311

Seagate Exos 7E8 8 TB 3.5' SATA 7200rpm Internal Hard Disk Drive ST8000NM004A SED Model

SeagateNeweggHDD

Capacity

8TB

Price

$400.00

$/GB

$0.050

Check Price at Newegg
312

Apricorn Aegis Padlock DT FIPS 20TB Desktop Hard Drive External ADT3PL256F20TB

ApricornNeweggHDD

Capacity

20TB

Price

$999.99

$/GB

$0.050

Check Price at Newegg
313

Lacie STFR5000800 5TB Rugged USB 3.1 Gen 1 Type-C External Hard Drive

LaCieNeweggHDD

Capacity

5TB

Price

$250.37

$/GB

$0.050

Check Price at Newegg
314

WD Black 6TB P10 Game Drive Portable External Hard Drive Black - (WDBZ7D0060BBK-WESN )

Western DigitalNeweggHDD90d low

Capacity

6TB

Price

$301.49

$/GB

$0.050

Check Price at Newegg
315

WD Red Pro 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 256MB Cache 3.5 Inch - WD102KFBX

Western DigitalNeweggHDD

Capacity

10TB

Price

$504.85

$/GB

$0.050

Check Price at Newegg
316

Seagate SkyHawk 4TB Internal SATA 3.5' Hard Drive, CMR Method ST4000VX016

SeagateNeweggHDD

Capacity

4TB

Price

$202.00

$/GB

$0.051

Check Price at Newegg
317

Buffalo DriveStation Duo 2-Drive 8TB External Hard Drive

BuffaloNeweggHDD90d low

Capacity

8TB

Price

$408.26

$/GB

$0.051

Check Price at Newegg
318

Apricorn Aegis Padlock 18 TB FIPS 256-BIT AES External Hard Drive ADT3PL256F18TB

ApricornNeweggHDD

Capacity

18TB

Price

$918.99

$/GB

$0.051

Check Price at Newegg
319

HDX Pro C 8TB USB-C Enterprise 7200RPM External Hard Drive

HDXNeweggHDD

Capacity

8TB

Price

$409.00

$/GB

$0.051

Check Price at Newegg
320

Toshiba S300 Surveillance - Hard drive - 6 TB - internal - 3.5' - SATA 6Gb/s - 5400 rpm - buffer: 256 MB

ToshibaNeweggHDD

Capacity

6TB

Price

$306.90

$/GB

$0.051

Check Price at Newegg
321

Seagate BarraCuda ST4000DM005 4TB 64MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

4TB

Price

$205.00

$/GB

$0.051

Check Price at Newegg
322

WD 24TB My Book Duo Desktop RAID External Hard Drive 256-Bit AES Encryption - USB 3.2 Gen1 (WDBFBE0240JBK-NESN)

Western DigitalNeweggHDD

Capacity

24TB

Price

$1236.94

$/GB

$0.052

Check Price at Newegg
323

Toshiba N300 NAS - Hard drive - 14 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 512 MB - HDWG51EXZSTA

ToshibaNeweggHDD

Capacity

14TB

Price

$722.90

$/GB

$0.052

Check Price at Newegg
324

WD Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD30PURX

Western DigitalNeweggHDD

Capacity

3TB

Price

$155.00

$/GB

$0.052

Check Price at Newegg
325

HGST HUH721008ALE600 - 8TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive

HGSTNeweggHDD

Capacity

8TB

Price

$415.10

$/GB

$0.052

Check Price at Newegg
326

WD Red Plus 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD60EFPX

Western DigitalNeweggHDD

Capacity

6TB

Price

$311.63

$/GB

$0.052

Check Price at Newegg
327

Apricorn Aegis Padlock DT 20 TB Desktop Hard Drive - 3.5' External - TAA Compliant - USB 3.0, USB 3.2 (Gen 1), USB 3.1 (Gen 1) - 256-bit AES-XTS...

ApricornNeweggHDD

Capacity

20TB

Price

$1038.99

$/GB

$0.052

Check Price at Newegg
328

Western Digital Purple Pro 10 TB Hard Drive - 3.5' Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method - WD101PURP-20PK

Western DigitalNeweggHDD

Capacity

10TB

Price

$520.00

$/GB

$0.052

Check Price at Newegg
329

Western Digital 6TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD6004FZBX

Western DigitalAmazon5yrHDD

Capacity

6 TB

Price

$314.99

$/GB

$0.052

Check Price at Amazon
330

WD - BLACK 6TB Gaming Internal Hard Drive

Western DigitalBest Buy5yrHDD
4.6(57)
256 / 256MB/s

Capacity

6 TB

Price

$314.99

$/GB

$0.052

Check Price at Best Buy
331

Seagate Desktop HDD ST2000DM001 2TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

2TB

Price

$105.00

$/GB

$0.052

Check Price at Newegg
332

WD Blue WD80EAZZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive

Western DigitalNeweggHDD

Capacity

8TB

Price

$421.26

$/GB

$0.053

Check Price at Newegg
333

WD Purple WD101PURZ 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive

Western DigitalNeweggHDD

Capacity

10TB

Price

$529.45

$/GB

$0.053

Check Price at Newegg
334

WD 2TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and Play Ready - WDBU6Y0020BBK-WESN

Western DigitalAmazonHDD18% this week

Capacity

2 TB

Price

$105.99

$/GB

$0.053

Check Price at Amazon
335

Seagate 6TB IronWolf NAS SATA 6Gb/s NCQ 128MB Cache 3.5-Inch Internal Hard Drive (ST6000VN0041)

SeagateAmazon

Capacity

6 TB

Price

$319.00

$/GB

$0.053

Check Price at Amazon
336

WD 20TB My Book Duo Desktop RAID External Hard Drive 256-Bit AES Encryption - USB 3.2 Gen1 (WDBFBE0200JBK-NESN)

Western DigitalNeweggHDD

Capacity

20TB

Price

$1064.31

$/GB

$0.053

Check Price at Newegg
337

Tianken Ultra Slim Portable External Hard Drive USB 3.0 HDD Storage for PC, Laptop, Mac, Xbox one, PS4, PS5 (750GB)

TiankenAmazon1yrHDD

Capacity

750 GB

Price

$39.99

$/GB

$0.053

Check Price at Amazon
338

WD 6TB Elements Portable Storage USB 3.2 Gen 1/USB 3.0 (USB 2.0 compatible) Model WDBHJS0060BBK-WESN Black

Western DigitalNeweggHDD

Capacity

6TB

Price

$319.99

$/GB

$0.053

Check Price at Newegg
339

WD - Easystore 6TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Western DigitalBest Buy2yrHDD
4.6(113)

Capacity

6 TB

Price

$319.99

$/GB

$0.053

Check Price at Best Buy
340

TOSHIBA MQ01ABD075 750GB 5400 RPM 8MB Cache SATA 3.0Gb/s 2.5' Internal Notebook Hard Drive

ToshibaNeweggHDD

Capacity

750GB

Price

$40.00

$/GB

$0.053

Check Price at Newegg
341

Western Digital 6TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" -WD60EFPX

Western DigitalAmazon3yrHDD

Capacity

6 TB

Price

$320.00

$/GB

$0.053

Check Price at Amazon
342

Seagate Enterprise NAS ST6000VN0001 6TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

6TB

Price

$321.10

$/GB

$0.054

Check Price at Newegg
343

WD 16TB My Book Duo Desktop RAID External Hard Drive 256-Bit AES Encryption - USB 3.2 Gen1 (WDBFBE0160JBK-NESN)

Western DigitalNeweggHDD

Capacity

16TB

Price

$857.79

$/GB

$0.054

Check Price at Newegg
344

Seagate Surveillance HDD ST8000VX0002 8TB 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

8TB

Price

$429.10

$/GB

$0.054

Check Price at Newegg
345

Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5' (WD44PURZ)

Western DigitalNeweggHDD90d low

Capacity

4TB

Price

$215.00

$/GB

$0.054

Check Price at Newegg
346

Caraele 500GB Portable External Hard Drive USB3.0 Mobile HDD Storage for PC, Mac, Desktop, Laptop, Mac, Chromebook, Xbox One, Xbox 360, PS4 (Black)

CaraeleAmazon3yrHDD90d low

Capacity

500 GB

Price

$26.99

$/GB

$0.054

Check Price at Amazon
347

NRICO Portable External Hard Drive, USB 3.0, 2.5 Inch, Compatible with PC, Mac, Desktop (Blue, 500, GB)

NRICOAmazon2yrHDD90d low

Capacity

500 GB

Price

$27.06

$/GB

$0.054

Check Price at Amazon
348

WD My Book 6TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0060HBK-NESN)

Western DigitalNeweggHDD

Capacity

6TB

Price

$324.99

$/GB

$0.054

Check Price at Newegg
349

Seagate IronWolf Pro 6TB 3.5' SATA 7200rpm Internal Hard Drive ST6000NE0023

SeagateNeweggHDD

Capacity

6TB

Price

$325.00

$/GB

$0.054

Check Price at Newegg
350

Seagate Exos X24 24TB 7200 RPM SATA 512MB Cache 6.0Gb/s 3.5-Inch Enterprise Internal Hard Drives (ST24000NM002H)

SeagateNeweggHDD

Capacity

24TB

Price

$1300.00

$/GB

$0.054

Check Price at Newegg
351

A-DATA Hard Drive AHV620S-2TU3-CWH HV620S External Hard Drive 2TB USB2.0 White Retail

A-DATANeweggHDD

Capacity

2TB

Price

$108.52

$/GB

$0.054

Check Price at Newegg
352

Apricorn Aegis Padlock DT 18 TB Desktop Hard Drive - External - TAA Compliant - USB 3.0 - 256-bit AES Encryption Standard (ADT-3PL256-18TB)

ApricornNeweggHDD

Capacity

18TB

Price

$979.99

$/GB

$0.054

Check Price at Newegg
353

Synology HAT5300-16T Enterprise 16TB HDD SATA III 6Gb/s 512e 7200 RPM 512MB Cache 3.5' Internal Hard Drive

SynologyNeweggHDD

Capacity

16TB

Price

$874.99

$/GB

$0.055

Check Price at Newegg
354

Seagate IronWolf ST6000VN001 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

6TB

Price

$329.45

$/GB

$0.055

Check Price at Newegg
355

Toshiba HDWL120XZSTA L200 2TB Laptop PC Internal Hard Drive 5400 RPM SATA 6Gb/s 128 MB Cache 2.5" 9.5mm Height - 2000 Internal Bare/OEM Drive

TOSHIBAAmazon2yrHDD

Capacity

2 TB

Price

$109.99

$/GB

$0.055

Check Price at Amazon
356

WD Red Pro WD6003FFBX 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive

Western DigitalNeweggHDD

Capacity

6TB

Price

$329.99

$/GB

$0.055

Check Price at Newegg
357

WD - Easystore 5TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Western DigitalBest Buy2yrHDD
4.7(11,999)

Capacity

5 TB

Price

$274.99

$/GB

$0.055

Check Price at Best Buy
358

WD 6TB Portable Storage External Hard Drive Blue (WDBR9S0060BBL-WESN)

Western DigitalNeweggHDD

Capacity

6TB

Price

$329.99

$/GB

$0.055

Check Price at Newegg
359

WD 6TB Portable Storage External Hard Drive Red (WDBR9S0060BRD-WESN )

Western DigitalNeweggHDD

Capacity

6TB

Price

$329.99

$/GB

$0.055

Check Price at Newegg
360

Western Digital 8TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD80EFAX

Western DigitalAmazonHDD

Capacity

8 TB

Price

$439.99

$/GB

$0.055

Check Price at Amazon
361

WD Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD30PURZ

Western DigitalNeweggHDD

Capacity

3TB

Price

$165.00

$/GB

$0.055

Check Price at Newegg
362

Seagate Constellation ES.3 ST4000NM0053 4TB 7200 RPM 128MB Cache 3.5' Internal Hard Drive

SeagateNeweggHDD

Capacity

4TB

Price

$220.00

$/GB

$0.055

Check Price at Newegg
363

Toshiba Canvio Flex 2TB Portable External Hard Drive USB-C USB 3.0, Silver for PC, Mac, & Tablet - HDTX120XSCAA

TOSHIBAAmazon3yrHDD90d low

Capacity

2 TB

Price

$110.00

$/GB

$0.055

Check Price at Amazon
364

WD Red Plus 3TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 64MB Cache, 3.5 Inch - WD30EFRX

Western DigitalNeweggHDD

Capacity

3TB

Price

$165.30

$/GB

$0.055

Check Price at Newegg
365

Apricorn Aegis DT ADT3PL25616TB 16TB USB 3.0 Padlock External Desktop Hard Drive

ApricornNeweggHDD

Capacity

16TB

Price

$883.99

$/GB

$0.055

Check Price at Newegg
366

WD Red Plus 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 256MB Cache, 3.5 Inch - WD101EFBX-NE

Western DigitalNeweggHDD

Capacity

10TB

Price

$554.16

$/GB

$0.055

Check Price at Newegg
367

Seagate Exos X14 ST10000NM0478 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, 512e Bare Drive

SeagateNeweggHDD

Capacity

10TB

Price

$554.45

$/GB

$0.055

Check Price at Newegg
368

WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX

Western DigitalNeweggHDD

Capacity

14TB

Price

$780.19

$/GB

$0.056

Check Price at Newegg
369

WD 6TB My Passport for Mac Portable Storage Model Midnight Blue - WDBK6C0060BBL-WESN

Western DigitalNeweggHDD

Capacity

6TB

Price

$334.99

$/GB

$0.056

Check Price at Newegg
370

Seagate ST4000NC001 4TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5' Terascale Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

4TB

Price

$224.00

$/GB

$0.056

Check Price at Newegg
371

WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX

Western DigitalNeweggHDD

Capacity

12TB

Price

$672.40

$/GB

$0.056

Check Price at Newegg
372

(Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003)

SeagateAmazon2yrHDD24% this week

Capacity

1 TB

Price

$56.05

$/GB

$0.056

Check Price at Amazon
373

Apricorn Aegis Padlock DT 24 TB Desktop External Hard Drive - 3.5' - TAA Compliant (ADT-3PL256F-24TB)

ApricornNeweggHDD

Capacity

24TB

Price

$1345.99

$/GB

$0.056

Check Price at Newegg
374

TOSHIBA N300 Pro HDWG51EXZSTB 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive

ToshibaNeweggHDD

Capacity

14TB

Price

$785.90

$/GB

$0.056

Check Price at Newegg
375

WD Purple Pro WD8002PURP 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive

Western DigitalNeweggHDD

Capacity

8TB

Price

$449.99

$/GB

$0.056

Check Price at Newegg
376

Western Digital 3TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5" - WD30PURZ

Western DigitalAmazonHDD

Capacity

3 TB

Price

$169.00

$/GB

$0.056

Check Price at Amazon
377

seagate exos 7e10 st4000nm024b 4 tb hard drive - internal - sata (sata/600) - storage system, video surveillance system device supported - 7200rpm

SeagateNeweggHDD

Capacity

4TB

Price

$225.89

$/GB

$0.056

Check Price at Newegg
378

WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN)

Western DigitalNeweggHDD90d low

Capacity

4TB

Price

$225.95

$/GB

$0.056

Check Price at Newegg
379

WD Purple WD84PURZ 8TB 5640 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive

Western DigitalNeweggHDD

Capacity

8TB

Price

$454.45

$/GB

$0.057

Check Price at Newegg
380

WD Red Plus 8TB NAS Hard Disk Drive - 5640 RPM Class SATA 6Gb/s, CMR, 128MB Cache, 3.5 Inch - WD80EFZX

Western DigitalNeweggHDD

Capacity

8TB

Price

$454.45

$/GB

$0.057

Check Price at Newegg
381

WD 5TB My Passport Ultra, Blue, Portable External Hard Drive, backup software with defense against ransomware, and password protection, USB-C and USB 3.1 - WDBFTM0050BBL-WESN

Western DigitalAmazonHDD

Capacity

5 TB

Price

$284.20

$/GB

$0.057

Check Price at Amazon
382

WD Purple Pro WD8001PURP 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive

Western DigitalNeweggHDD

Capacity

8TB

Price

$455.00

$/GB

$0.057

Check Price at Newegg
383

NRICO 500GB Portable External Hard Drive USB 3.0 HDD 2.5inch Storage Compatible for PC, Mac, Desktop,PS4 (500GB, Grey)

NRICOAmazon3yrHDD90d low

Capacity

500 GB

Price

$28.49

$/GB

$0.057

Check Price at Amazon
384

YOTUO Portable External Hard Drive Storage Expansion Mobile HDD USB 3.0 for PC, Mac, Desktop, Laptop, PS4, PS5, Xbox One X/S, Xbox 360, Xbox Series X/S, Office & Game (Black, 750GB)

YOTUOAmazonHDD90d low

Capacity

750 GB

Price

$42.74

$/GB

$0.057

Check Price at Amazon
385

WD - My Passport 5TB External USB 3.0 Portable Hard Drive - Black

Western DigitalBest Buy3yrHDD
4.7(2,891)

Capacity

5 TB

Price

$284.99

$/GB

$0.057

Check Price at Best Buy
386

WD 5TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0050BBK-WESN)

Western DigitalNeweggHDD

Capacity

5TB

Price

$284.99

$/GB

$0.057

Check Price at Newegg
387

WD 5TB My Passport Portable Storage USB 3.2 Gen 1 - Blue - WDBPKJ0050BBL-WESN

Western DigitalNeweggHDD

Capacity

5TB

Price

$284.99

$/GB

$0.057

Check Price at Newegg
388

WD 5TB My Passport, Portable External Hard Drive, Blue, Backup Software with Defense Against ransomware, and Password Protection, USB 3.1/USB 3.0 Compatible - WDBPKJ0050BBL-WESN

Western DigitalAmazonHDD

Capacity

5 TB

Price

$284.99

$/GB

$0.057

Check Price at Amazon
389

WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ

Western DigitalNeweggHDD

Capacity

4TB

Price

$228.07

$/GB

$0.057

Check Price at Newegg
390

HGST 0B35948 4Tb 3.5 Inch 256Mb 7200Rpm Sata Ultra 4Kn Secure Erase 7K6 Bare

HGSTNeweggHDD

Capacity

4TB

Price

$229.00

$/GB

$0.057

Check Price at Newegg
391

Seagate BarraCuda 7200.11 ST3750330AS 750GB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive

SeagateNeweggHDD

Capacity

750GB

Price

$43.00

$/GB

$0.057

Check Price at Newegg
392

BUFFALO 2TB MiniStation HD-PGF Portable Hard Drive USB 3.2 Gen 1, Micro B Model HD-PGF2.0U3BB

BUFFALONeweggHDD90d low

Capacity

2TB

Price

$114.79

$/GB

$0.057

Check Price at Newegg
393

WD_Black 6TB Gaming Performance Internal Hard Drive HDD - 7200 RPM, 128 MB Cache, SATA Gb/s, 3.5' - WD6004FZWX (OEM)

Western DigitalNeweggHDD

Capacity

6TB

Price

$344.45

$/GB

$0.057

Check Price at Newegg
394

LaCie 2big RAID 16TB USB-C External Hard Drive STHJ16000800 Black

LaCieNeweggHDD

Capacity

16TB

Price

$919.00

$/GB

$0.057

Check Price at Newegg
395

Western Digital AV-GP WD20EURS 2TB 64MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive

Western DigitalNeweggHDD

Capacity

2TB

Price

$115.00

$/GB

$0.058

Check Price at Newegg
396

Dell 342-5521 1.2TB 10000 RPM Serial Attached SCSI 2 2.5' Internal Hard Drive Bare Drive

DellNeweggHDD

Capacity

1.2TB

Price

$69.00

$/GB

$0.058

Check Price at Newegg
397

adata hd710m pro 2 tb usb 3.1 rugged waterproof/dustproof/shockproof external hard drive, camouflage (ahd710mp-2tu31-ccf)

ADATANeweggHDD

Capacity

2TB

Price

$115.03

$/GB

$0.058

Check Price at Newegg
398

WD My Book 14TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0140HBK-NESN)

Western DigitalNeweggHDD

Capacity

14TB

Price

$811.52

$/GB

$0.058

Check Price at Newegg
399

WD - P10 5TB External USB 3.2 Gen 1 Portable Hard Drive - Black

Western DigitalBest Buy3yrHDD
4.8(475)
140 / 140MB/s

Capacity

5 TB

Price

$289.99

$/GB

$0.058

Check Price at Best Buy
400

Wxpcx-Alt Dell Enterprise 1.2Tb 10K 6Gbps Sas 2.5 Hard Drive W/Tray St1200mm0007

Wxpcx-AltNeweggHDD

Capacity

1.2TB

Price

$70.00

$/GB

$0.058

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 1006+ HDDs ranked by price per gigabyte — the only metric that truly shows you which drives offer the best value for your money.

Right now, the cheapest HDD storage starts at just $0.000/GB, while the average across all drives is $0.054/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 $0.0000/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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