Hard Drives (HDD)

Ranked by price per gigabyte

Updated daily · No paid placements

Ranked by:$/GB
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301

PNY - 128GB Elite-X Class 10 U3 V30 SDXC Flash Memory Card

PNYBest BuymicroSD
100 / 90MB/s
75% below avg

Capacity

128 GB

Price

$54.99

$/GB

$0.430

Check Price at Best Buy
302

SANDISK - Extreme Pro 1TB SDXC UHS-I National Parks

SanDiskBest BuymicroSD
4.6(7)
250 / 170MB/s
75% below avg

Capacity

1 TB

Price

$429.99

$/GB

$0.430

Check Price at Best Buy
303

Samsung - microSDXC T7 512GB, Transfer Speeds Up to 170 MB/s (MB-MB512T/WW)

SamsungBest Buy3yrmicroSD74% below avg

Capacity

512 GB

Price

$226.99

$/GB

$0.443

Check Price at Best Buy
304

Samsung - microSDXC T7 256GB, Transfer Speeds Up to 170 MB/s (MB-MB256T/WW)

SamsungBest Buy3yrmicroSD74% below avg

Capacity

256 GB

Price

$113.99

$/GB

$0.445

Check Price at Best Buy
305

SANDISK - Extreme Pro 512GB SDXC UHS-I National Parks

SanDiskBest BuymicroSD
4.9(12)
250 / 170MB/s
72% below avg

Capacity

512 GB

Price

$249.99

$/GB

$0.488

Check Price at Best Buy
306

Samsung - Pro Ultimate and Adapter 128GB microSDXC Memory Card

SamsungBest Buy10yrmicroSD
4.8(115)
200 / 130MB/s
72% below avg

Capacity

128 GB

Price

$62.99

$/GB

$0.492

Check Price at Best Buy
307

SABRENT Rocket CFX 1TB CFexpress Type B Memory Card 2-Pack, R1700MB/s W1500MB/s (CF-XTBT-1TBX2)

SabrentNeweggHDD71% below avg

Capacity

1TB

Price

$506.99

$/GB

$0.507

Check Price at Newegg
308

SanDisk - 128GB USB-C FLASH DRIVE: FIFA WORLD CUP 2026 EDITION USA - Blue

SanDiskBest Buy5yrUSB-A
300 / 300MB/s
71% below avg

Capacity

128 GB

Price

$64.99

$/GB

$0.508

Check Price at Best Buy
309

SanDisk - 128GB USB-C FLASH DRIVE: FIFA WORLD CUP 2026 EDITION CANADA - Red

SanDiskBest Buy5yrUSB-A
300 / 300MB/s
71% below avg

Capacity

128 GB

Price

$64.99

$/GB

$0.508

Check Price at Best Buy
310

SanDisk - 128GB USB-C FLASH DRIVE: FIFA WORLD CUP 2026 EDITION MEXICO - Green

SanDiskBest Buy5yrUSB-A
300 / 300MB/s
71% below avg

Capacity

128 GB

Price

$64.99

$/GB

$0.508

Check Price at Best Buy
311

SanDisk - 128GB USB-C FLASH DRIVE: FIFA WORLD CUP 2026 EDITION GLOBAL - Black

SanDiskBest Buy5yrUSB-A
300 / 300MB/s
71% below avg

Capacity

128 GB

Price

$64.99

$/GB

$0.508

Check Price at Best Buy
312

SANDISK - Extreme Pro 256GB SDXC UHS-I National Parks

SanDiskBest BuymicroSD
4.9(74)
250 / 170MB/s
71% below avg

Capacity

256 GB

Price

$129.99

$/GB

$0.508

Check Price at Best Buy
313

Samsung - Pro Ultimate and Reader 128GB microSDXC Memory Card

SamsungBest Buy10yrmicroSD
5.0(35)
200 / 130MB/s
70% below avg

Capacity

128 GB

Price

$66.99

$/GB

$0.523

Check Price at Best Buy
314

SanDisk - 128GB USB-C Flash Drive FIFA World Cup 2026 - Gold

SanDiskBest Buy5yrUSB-A
300 / 300MB/s
68% below avg

Capacity

128 GB

Price

$69.99

$/GB

$0.547

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315

Samsung - microSDXC T9 256GB, Read/Write Speeds Up to 200/130 MB/s (MB-MH256T/WW)

SamsungBest Buy3yrmicroSD
200 / 130MB/s
68% below avg

Capacity

256 GB

Price

$141.99

$/GB

$0.555

Check Price at Best Buy
316

Samsung - microSDXC T9 512GB, Read/Write Speeds Up to 200/130 MB/s (MB-MH512T/WW)

SamsungBest Buy3yrmicroSD
200 / 130MB/s
68% below avg

Capacity

512 GB

Price

$283.99

$/GB

$0.555

Check Price at Best Buy
317

Samsung - microSDXC T7 128GB, Transfer Speeds Up to 170 MB/s (MB-MB128T/WW)

SamsungBest Buy3yrmicroSD67% below avg

Capacity

128 GB

Price

$72.99

$/GB

$0.570

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318

SANDISK - Extreme Pro 128GB SDXC UHS-I National Parks

SanDiskBest BuymicroSD
5.0(128)
250 / 120MB/s
66% below avg

Capacity

128 GB

Price

$74.99

$/GB

$0.586

Check Price at Best Buy
319

SANDISK - Cruzer Glide 32GB USB 2.0 Flash Drive - Black

SanDiskBest Buy2yrUSB-A
4.8(12,561)
90MB/s
66% below avg

Capacity

32 GB

Price

$18.99

$/GB

$0.593

Check Price at Best Buy
320

Samsung - PRO Endurance 128GB microSDXC SD Memory Card

SamsungBest Buy5yrmicroSD
4.9(504)
100 / 40MB/s
65% below avg

Capacity

128 GB

Price

$76.99

$/GB

$0.601

Check Price at Best Buy
321

SanDisk SDSQXA2-064G-GN6MN CYT 64GB 8pin microSDXC r160MB/s w60MB/s C10 U3 V30 A2 UHS-I SanDisk Extreme microSDXC Memory Card w/out Adapter Retail

SanDiskNeweggHDD65% below avg

Capacity

64GB

Price

$38.95

$/GB

$0.609

Check Price at Newegg
322

SanDisk - 64GB USB-C FLASH DRIVE: FIFA WORLD CUP 2026 EDITION GLOBAL - Black

SanDiskBest Buy5yrUSB-A
300 / 300MB/s
65% below avg

Capacity

64 GB

Price

$38.99

$/GB

$0.609

Check Price at Best Buy
323

SanDisk Extreme 64GB microSD UHS-I Card with Adapter - 160MB/s U3 A2 - SDSQXA...

SanDiskNeweggHDD62% below avg

Capacity

64GB

Price

$41.75

$/GB

$0.652

Check Price at Newegg
324

Samsung - microSDXC T9 128GB, Read/Write Speeds Up to 200/130 MB/s (MB-MH128T/WW)

SamsungBest Buy3yrmicroSD
200 / 130MB/s
59% below avg

Capacity

128 GB

Price

$89.99

$/GB

$0.703

Check Price at Best Buy
325

PNY - 32GB Attaché 4 Type A USB 2.0 Flash Drive 3-Pack - Black

PNYBest Buy1yrUSB-A
4.6(3,162)
60MB/s
55% below avg

Capacity

32 GB

Price

$24.99

$/GB

$0.781

Check Price at Best Buy
326

SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B

SanDiskBest BuymicroSD
4.5(42)
1,700 / 1,400MB/s
49% below avg

Capacity

512 GB

Price

$449.99

$/GB

$0.879

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327

Sony - CEA-G480T

SonyBest Buy5yrmicroSD
5.0(4)
1,800 / 1,700MB/s
48% below avg

Capacity

480 GB

Price

$429.99

$/GB

$0.896

Check Price at Best Buy
328

SANDISK - Creator 256GB SD UHS-II Card

SanDiskBest BuymicroSD
5.0(3)
280 / 150MB/s
43% below avg

Capacity

256 GB

Price

$249.99

$/GB

$0.977

Check Price at Best Buy
329

SANDISK - Extreme Pro 256GB SDXC UHS-II V60 Memory Card

SanDiskBest BuymicroSD
5.0(35)
280 / 150MB/s
43% below avg

Capacity

256 GB

Price

$249.99

$/GB

$0.977

Check Price at Best Buy
330

Sony - CEA-G240T

SonyBest Buy5yrmicroSD
5.0(1)
1,800 / 1,700MB/s
40% below avg

Capacity

240 GB

Price

$249.99

$/GB

$1.042

Check Price at Best Buy
331

SABRENT Rocket v90 512GB SD UHS-II Memory Card R280MB/s W250MB/s (SD-TL90-512GB)

SabrentNeweggHDD34% below avg

Capacity

512GB

Price

$584.99

$/GB

$1.143

Check Price at Newegg
332

Swann 8 Channel 960H Professional Security System with 1TB Hard Drive, 6 900TVL Cameras, and 82 Feet Night Vision (SWDVK-834506-CL)

Western DigitalNeweggHDD31% below avg

Capacity

1TB

Price

$1199.99

$/GB

$1.200

Check Price at Newegg
333

SANDISK - Extreme Pro 128GB SDXC UHS-II V60 Memory Card

SanDiskBest BuymicroSD
4.8(37)
280 / 100MB/s

Capacity

128 GB

Price

$179.99

$/GB

$1.406

Check Price at Best Buy
334

SanDisk Extreme Pro - Flash memory card - 512 GB - Video Class V90 / UHS-II U3 / Class10 - 1733x/2000x - SDXC UHS-II

SanDiskNeweggHDD

Capacity

512GB

Price

$764.70

$/GB

$1.494

Check Price at Newegg
335

SanDisk Extreme PRO 128GB SDXC UHS-II Card, Up to 300MB/s Read and 300MB/s Write speeds, V90, 8K

SanDiskNeweggHDD

Capacity

128GB

Price

$212.50

$/GB

$1.660

Check Price at Newegg
336

Sony - QDG120F/J 120GB XQD Memory Card

SonyBest Buy5yrmicroSD
4.8(238)

Capacity

120 GB

Price

$199.99

$/GB

$1.667

Check Price at Best Buy
337

SANDISK - Extreme PRO 128GB SD UHS-II V90 Card

SanDiskBest BuymicroSD
4.8(29)
300 / 300MB/s

Capacity

128 GB

Price

$259.99

$/GB

$2.031

Check Price at Best Buy
338

SanDisk Extreme Pro 64GB Secure Digital Extended Capacity (SDXC) Flash Card Model SDSDXPB-064G-A46

SanDiskNeweggHDD

Capacity

64GB

Price

$130.85

$/GB

$2.045

Check Price at Newegg
339

PNY - 16GB Attaché 4 Type A USB 2.0 Flash Drive 5-Pack - Black

PNYBest Buy1yrUSB-A
4.7(3,242)
60MB/s

Capacity

16 GB

Price

$39.99

$/GB

$2.499

Check Price at Best Buy
340

SanDisk Extreme PRO 256GB CFast 2.0 Memory Card #SDCFSP-256G-A46D

SanDiskNeweggHDD

Capacity

256GB

Price

$659.17

$/GB

$2.575

Check Price at Newegg
341

For Hard Disk SR530 SR550 SR570 HDD 00YK014 600G 12Gb 10K 2.5' Hard Drive

ForNeweggHDD

Capacity

12GB

Price

$90.68

$/GB

$7.557

Check Price at Newegg
342

SCSI Industrial Medical Hard Disk ST318437LW For 18GB 68Pin 7200RPM 3.5' Hard Drive Works ly Fast Ship

NeweggHDD

Capacity

18GB

Price

$145.32

$/GB

$8.073

Check Price at Newegg
343

Panasonic Lumix S PRO 70-200mm f/4 O. I.S. Lens with: Sandisk Extreme Pro 64GB SD Card, 9PC Filter Kit + More

SanDiskNeweggHDD

Capacity

64GB

Price

$1439.95

$/GB

$22.499

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 333+ 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 $1.727/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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