USB Flash Drives

Ranked by price per gigabyte

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1

Verbatim 128GB Store 'n' Go USB Flash Drive - PC / Mac Compatible - Red

VerbatimAmazonUSB-A

Capacity

128 GB

Price

$8.99

$/GB

$0.070

2

HP 256GB x900w USB 3.0 Flash Drive (P-FD256HP900-GE)

HPAmazon1yrUSB-A

Capacity

256 GB

Price

$26.99

$/GB

$0.105

3

128GB Flash Drive ENUODA Thumb Drive 128GB Swivel Design USB 2.0 Memory Stick Data Storage Jump Drive Pen Drive for Laptop PC Computer (1 Pack, Black)

ENUODAAmazon1yrUSB-A

Capacity

128 GB

Price

$13.99

$/GB

$0.109

4

Amazon Basics 256 GB Ultra Fast USB 3.1 Flash Drive, High Capacity External Storage for Photos Videos, Retractable Design, 130MB/s Transfer Speed, Black

Amazon BasicsAmazonUSB-A

Capacity

256 GB

Price

$29.99

$/GB

$0.117

5

PNY 256GB Attaché X USB 3.2 Gen 1 Flash Drive, Advanced Performance Up to 130MB/s Read, Everyday Data Store & Transfer, Reliable Portable Storage, Durable, Type-A, Computers, Laptops, Desktops

PNYAmazon1yrUSB-A

Capacity

256 GB

Price

$29.99

$/GB

$0.117

6

PNY 256GB Turbo Attache 3 USB 3.0 Flash Drive,Grey (Pack of 1)

PNYAmazon1yrUSB-A

Capacity

256 GB

Price

$29.99

$/GB

$0.117

7

SanDisk 256GB Ultra Luxe USB 3.1 Gen 1 Flash Drive - SDCZ74-256G-G46, Black

SanDiskAmazonUSB-A

Capacity

256 GB

Price

$31.72

$/GB

$0.124

8

128GB Flash Drive Aiibe USB Flash Drive 128 GB Thumb Drive USB 2.0 Memory Stick Zip Drive Backup Jump Drive Single 128GB 128G USB Drive for PC Laptop

AiibeAmazonUSB-A

Capacity

128 GB

Price

$15.99

$/GB

$0.125

9

SAMSUNG BAR Plus 256GB - 400MB/s USB 3.1 Flash Drive Titan Gray (MUF-256BE4/AM)

SamsungAmazon5yrUSB-A

Capacity

256 GB

Price

$32.99

$/GB

$0.129

10

SamData 128GB USB Flash Drives 1 Pack 128GB Thumb Drives Memory Stick Jump Drive with LED Light for Storage and Backup (1 Pack Red)

SamDataAmazonUSB-A

Capacity

128 GB

Price

$16.99

$/GB

$0.133

11

SanDisk 128GB Ultra Flair USB 3.0 Flash Drive - SDCZ73-128G-G46, black

SanDiskAmazon1yrUSB-A

Capacity

128 GB

Price

$17.16

$/GB

$0.134

12

SanDisk 128GB Cruzer Glide USB 2.0 Flash Drive - SDCZ60-128G-B35,Black

SanDiskAmazon5yrUSB-A

Capacity

128 GB

Price

$17.19

$/GB

$0.134

13

SanDisk 256GB Cruzer Glide USB 2.0 Flash Drive - SDCZ60-256G-B35, Black

SanDiskAmazon2yrUSB-A

Capacity

256 GB

Price

$35.00

$/GB

$0.137

14

SanDisk 128GB Ultra USB 3.0 Flash Drive - SDCZ48-128G-GAM46, Black

SanDiskAmazon1yrUSB-A

Capacity

128 GB

Price

$17.79

$/GB

$0.139

15

Amazon Basics 128 GB Ultra Fast USB 3.1 Flash Drive, Retractable, High-Speed Data Transfer Storage Device, Black

Amazon BasicsAmazonUSB-A

Capacity

128 GB

Price

$17.88

$/GB

$0.140

16

PNY Elite-X Fit Type-C 256GB USB 3.2 Flash Drive – Up to 200MB/s Read, Up to 100MB/s Write, Advanced Performance, Convenient Portable Data Storage, Ultra Compact Fit Design, Type-C Connector

PNYAmazon1yrUSB-C

Capacity

256 GB

Price

$35.99

$/GB

$0.141

17

SanDisk 128GB Cruzer Blade USB 2.0 Flash Drive - SDCZ50-128G-B35, Black

SanDiskAmazon5yrUSB-A

Capacity

128 GB

Price

$18.79

$/GB

$0.147

18

Vansuny 128GB USB C Flash Drive 2 in 1 OTG USB 3.0 + Type C Memory Stick with Keychain Dual Type C Thumb Drive Photo Stick Jump Drive for Android Smartphones, Computer, Tablet, PC

VansunyAmazonUSB-C

Capacity

128 GB

Price

$18.99

$/GB

$0.148

19

TRANSCEND TS128GJF700 128GB JETFLASH 700 FLASH DRIVE

TranscendNeweggUSB-A

Capacity

128GB

Price

$19.58

$/GB

$0.153

20

SanDisk 256GB Ultra USB 3.0 Flash Drive - SDCZ48-256G-GAM46, Black

SanDiskAmazonUSB-A

Capacity

256 GB

Price

$39.35

$/GB

$0.154

21

SanDisk 256GB Ultra Flair USB 3.0 Flash Drive - SDCZ73-256G-G46, black

SanDiskAmazonUSB-A

Capacity

256 GB

Price

$39.63

$/GB

$0.155

22

PNY - 128GB Attaché 4 USB 2.0 Type A Flash Drive - Black

PNYBest Buy1yrUSB-A
4.7(5,023)
60MB/s

Capacity

128 GB

Price

$19.99

$/GB

$0.156

23

Lexar D40E 256GB Dual USB 3.2 Gen 1 Type-C Jump Drive, USB-C Flash Metal Housing Swivel Design Thumb Drive (Champagne Silver)

LexarAmazonUSB-C

Capacity

256 GB

Price

$40.99

$/GB

$0.160

24

SanDisk 256GB Ultra Luxe USB Type-C Flash Drive - Up to 400MB/s, USB 3.2 Gen 1, Premium Metal Design - SDCZ75-256G-G46

SanDiskAmazon5yrUSB-C

Capacity

256 GB

Price

$41.80

$/GB

$0.163

25

JOIOT 128GB USB C Flash Drive Dual USB 3.0 Flash Drive Type C + USB A Portable Type-C Flash Drive 2-in-1 USB-C Thumb Drive for Smartphone Tablet Computer Mac iPhone 15 Black

JOIOTAmazon1yrUSB-A

Capacity

128 GB

Price

$20.99

$/GB

$0.164

26

Lexar 128GB JumpDrive Dual Drive D400 USB 3.2 Type-C & Type-A Flash Drive for Storage Expansion, Photo Back-up for iPhone 15, Up to 130MB/s, Metal Housing & Swivel Design, Titanium (LJDD400128G-BNQNU)

LexarAmazonUSB-C

Capacity

128 GB

Price

$21.28

$/GB

$0.166

27

SAMSUNG BAR Plus 3.1 USB Flash Drive, 128GB, 400MB/s, Rugged Metal Casing, Storage Expansion for Photos, Videos, Music, Files, MUF-128BE3/AM, Champagne Silver

SamsungAmazon5yrUSB-A

Capacity

128 GB

Price

$21.49

$/GB

$0.168

28

SAMSUNG BAR Plus 3.1 USB Flash Drive, 128GB, 400MB/s, Rugged Metal Casing, Storage Expansion for Photos, Videos, Music, Files, MUF-128BE4/AM, Titan Grey

SamsungAmazon5yrUSB-A

Capacity

128 GB

Price

$21.49

$/GB

$0.168

29

SANDISK - Ultra Eco 256GB USB 3.2 Gen 1 Type-A Flash Drive - Green

SanDiskBest Buy5yrSATA SSD
4.7(55)
100MB/s

Capacity

256 GB

Price

$42.99

$/GB

$0.168

30

PNY - Elite Turbo Attache 4 256GB USB 3.2 Flash Drive - Gray

PNYBest Buy1yrSATA SSD
4.7(10,749)
100MB/s

Capacity

256 GB

Price

$42.99

$/GB

$0.168

31

SanDisk 256GB Ultra Dual Drive Luxe USB Type-C - Up to 400MB/s - SDDDC4-256G-GAM46

SanDiskAmazonUSB-C

Capacity

256 GB

Price

$43.50

$/GB

$0.170

32

SanDisk 256GB Ultra Dual Drive USB Type-C - USB-C, USB 3.1 - SDDDC2-256G-G46,Black

SanDiskAmazon5yrUSB-C

Capacity

256 GB

Price

$43.83

$/GB

$0.171

33

PNY - Elite Turbo Attache 4 128GB USB 3.2 Flash Drive - Gray

PNYBest Buy1yrSATA SSD
4.7(10,749)
100MB/s

Capacity

128 GB

Price

$21.99

$/GB

$0.172

34

PNY - 256GB Elite-X Fit USB 3.1 Flash Drive - 200MB/s - Black

PNYBest Buy1yrSATA SSD
4.8(166)
200MB/s

Capacity

256 GB

Price

$44.99

$/GB

$0.176

35

SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
4.8(4,930)
130MB/s

Capacity

256 GB

Price

$44.99

$/GB

$0.176

36

SANDISK - Ultra 256GB USB 3.0, Micro USB Flash Drive - Gray / Transparent

SanDiskBest Buy5yrSATA SSD
4.5(97)
150MB/s

Capacity

256 GB

Price

$45.99

$/GB

$0.180

37

SANDISK - Ultra Fit 256GB USB 3.1 Flash Drive - Black

SanDiskBest Buy2yrSATA SSD
4.7(1,420)
400MB/s

Capacity

256 GB

Price

$45.99

$/GB

$0.180

38

SANDISK - Ultra Dual Drive Go 256GB USB Type-A/USB Type-C Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
4.7(1,523)
400MB/s

Capacity

256 GB

Price

$45.99

$/GB

$0.180

39

SanDisk 256GB Ultra Dual Drive Go USB Type-C Flash Drive, Black - SDDDC3-256G-G46

SanDiskAmazon5yrUSB-C

Capacity

256 GB

Price

$46.64

$/GB

$0.182

40

KEXIN 128GB USB C Flash Drive Dual Thumb Drive 100MB/s Swivel USB-A & Type-C USB Drive 3.0 Memory Stick for Smartphone Tablet iPhone 15/16 Car Game Console, 128GB Black

KEXINAmazonUSB-C

Capacity

128 GB

Price

$23.99

$/GB

$0.187

41

PNY - PRO Elite V3 256GB USB 3.2 Gen 2 Flash Drive - Black

PNYBest Buy2yrSATA SSD
4.8(35)
1,000 / 800MB/s

Capacity

256 GB

Price

$47.99

$/GB

$0.187

42

SanDisk 256GB Creator USB-C Flash Drive - Up to 400MB/s, USB Type-C - Compatible with Laptops and Tablets -3 Months of Adobe Lightroom Included - SDCZ75C-256G-G46

SanDiskAmazon5yrUSB-C

Capacity

256 GB

Price

$47.99

$/GB

$0.187

43

SanDisk 128GB Ultra Dual Drive USB Type-C - USB-C, USB 3.1 - SDDDC2-128G-G46, Gray

SanDiskAmazon5yrUSB-C

Capacity

128 GB

Price

$24.95

$/GB

$0.195

44

Amazon Basics 128GB USB Flash Drive, Thumb Drive Memory Stick with USB C and USB A Dual Ports, Champagne Silver

Amazon BasicsAmazonUSB-C

Capacity

128 GB

Price

$25.64

$/GB

$0.200

45

SanDisk 128GB Ultra Dual Drive Go USB Type-C Flash Drive, Black - SDDDC3-128G-G46

SanDiskAmazon5yrUSB-C

Capacity

128 GB

Price

$25.90

$/GB

$0.202

46

SANDISK - Cruzer Glide 128GB USB 2.0 Flash Drive - Black

SanDiskBest Buy2yrUSB-A
4.8(9,100)
90MB/s

Capacity

128 GB

Price

$25.99

$/GB

$0.203

47

SANDISK - Ultra Dual Drive Luxe 256GB USB 3.1, USB Type-C Flash Drive - Silver

SanDiskBest Buy5yrSATA SSD
4.6(242)
400MB/s

Capacity

256 GB

Price

$51.99

$/GB

$0.203

48

Samsung Type-C USB Flash Drive, 256GB, Transfers 4GB Files in 11 Secs w/Up to 400MB/s USB 3.2 Gen 1 Read Speeds, Compatible w/USB 3.0/2.0, Waterproof, 2022, Blue, MUF-256DA/AM

SamsungAmazon5yrUSB-C

Capacity

256 GB

Price

$51.99

$/GB

$0.203

49

Samsung Type-C USB Flash Drive, 256GB, Transfers 4GB Files in 11 Secs w/Up to 400MB/s USB 3.2 Gen 1 Read Speeds, Compatible w/USB 3.0/2.0, Waterproof, 2022, Blue, MUF-256DA/AM

SamsungAmazon5yrUSB-C

Capacity

256 GB

Price

$104.99

$/GB

$0.205

50

KOOTION 128GB Flash Drive 3 Pack USB Flash Drives Multicolor USB Drive Retractable Thumb Drive USB 2.0 Flash Drive Zip Drives High Speed Jump Drives with LED Indicator - 3Pack (Red, Green, Blue)

KOOTIONAmazonUSB-A

Capacity

128 GB

Price

$27.98

$/GB

$0.219

51

2-Pack 128GB USB C Flash Drive Dual Flash Drive Type C + USB A Memory Stick Jump Drive 2-in-1 Thumb Drive for Storage and Backup (128GB*2 Black&Blue)

myemuunAmazonUSB-C

Capacity

128 GB

Price

$27.98

$/GB

$0.219

52

SanDisk 128GB Ultra Fit USB 3.2 Gen 1 Flash Drive - Up to 400MB/s, Plug-and-Stay Design - SDCZ430-128G-GAM46, Black

SanDiskAmazonUSB-A

Capacity

128 GB

Price

$27.99

$/GB

$0.219

53

SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
4.8(10,267)
130MB/s

Capacity

128 GB

Price

$27.99

$/GB

$0.219

54

PNY P-FD256X2TBOP-MP 256GB Turbo Attaché 3 USB 3.0 Flash Drive,Silver (Pack of 2)

PNYAmazon1yrUSB-A

Capacity

256 GB

Price

$57.99

$/GB

$0.227

55

SANDISK - Ultra Fit 128GB USB 3.1 Flash Drive - Black

SanDiskBest Buy2yrSATA SSD
4.7(2,483)
400MB/s

Capacity

128 GB

Price

$29.99

$/GB

$0.234

56

PNY - PRO Elite V2 256GB USB 3.2 Gen 2 Flash Drive - Black

PNYBest Buy1yrSATA SSD
4.8(97)
600 / 250MB/s

Capacity

256 GB

Price

$59.99

$/GB

$0.234

57

SANDISK - Ultra Dual Drive Go 128GB USB Type-A/USB Type-C Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
4.7(2,336)
400MB/s

Capacity

128 GB

Price

$31.99

$/GB

$0.250

58

Samsung Type-C USB Flash Drive, 256GB, Transfers 4GB Files in 11 Secs w/Up to 400MB/s USB 3.2 Gen 1 Read Speeds, Compatible w/USB 3.0/2.0, Waterproof, 2022, Blue, MUF-256DA/AM

SamsungAmazon5yrUSB-C

Capacity

256 GB

Price

$31.99

$/GB

$0.250

59

SanDisk 128GB Ultra Dual Drive Luxe USB Type-C - Up to 400MB/s - SDDDC4-128G-GAM46

SanDiskAmazonUSB-C

Capacity

128 GB

Price

$32.99

$/GB

$0.258

60

SANDISK - Ultra Dual Drive Go Rainbow Pride Edition 128GB USB-A/USB-C Flash Drive - Multi

SanDiskBest Buy5yrSATA SSD
4.5(60)
150MB/s

Capacity

128 GB

Price

$32.99

$/GB

$0.258

61

SSK 128GB Dual USB C Flash Drive,2-in-1 Type C+ USB A 3.2 Gen2 Solid State Thumb Drive,Speed Up to 550MB/s Memory Stick Data Storage for iPhone 15,Thunderbolt 3, Android Phone,Tablet,Laptop

SSKAmazonUSB-C

Capacity

128 GB

Price

$32.99

$/GB

$0.258

62

SANDISK - Extreme Fit 256GB USB-C Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
400MB/s

Capacity

256 GB

Price

$67.99

$/GB

$0.266

63

SAMSUNG EVO Plus 256GB microSDXC Flash Card w/ Adapter Model MB-MC256KA/AM

SamsungNeweggUSB-A

Capacity

256GB

Price

$69.95

$/GB

$0.273

64

PNY - 128GB Elite-X Fit USB 3.1 Flash Drive - 200MB/s - Black

PNYBest Buy1yrSATA SSD
4.7(1,324)
200MB/s

Capacity

128 GB

Price

$34.99

$/GB

$0.273

65

PNY - Turbo Attaché 3 128GB USB 3.0 Type A Flash Drive, 2-Pack - Silver

PNYBest Buy1yrSATA SSD
4.7(90)
640MB/s

Capacity

128 GB

Price

$34.99

$/GB

$0.273

66

SANDISK - Ultra Dual Drive Luxe 128GB USB 3.1, USB Type-C Flash Drive - Silver

SanDiskBest Buy5yrSATA SSD
4.6(682)
400MB/s

Capacity

128 GB

Price

$35.99

$/GB

$0.281

67

SANDISK 128GB Extreme Fit USB-C Flash Drive - Up to 400MB/s Read speeds, USB 3.2 Gen 1, USB Type-C - Plug-and-Stay Storage - Black - SDCZ530-128G-G46

SanDiskAmazonUSB-C

Capacity

128 GB

Price

$36.99

$/GB

$0.289

68

SANDISK - 128GB Crayola USB-C Flash Drive, Cerulean - Blue

SanDiskBest Buy5yrUSB-A
5.0(2)

Capacity

128 GB

Price

$37.99

$/GB

$0.297

69

Transcend 256GB JetFlash 930C 2-In-1 USB3.2 Flash Drive Model TS256GJF930C

TranscendNeweggUSB-A

Capacity

256GB

Price

$77.61

$/GB

$0.303

70

128GB USB Flash Drive

NeweggUSB-A

Capacity

128GB

Price

$39.95

$/GB

$0.312

71

PNY - 128GB DUO LINK USB 3.2 Type-C Dual Flash Drive - Silver

PNYBest Buy1yrSATA SSD
4.6(670)
200MB/s

Capacity

128 GB

Price

$39.99

$/GB

$0.312

72

SAMSUNG EVO Plus 256GB microSDXC Flash Card w/ Adapter Model MB-MC256SA/CA

SamsungNeweggUSB-A

Capacity

256GB

Price

$85.29

$/GB

$0.333

73

SanDisk SDCZ50-128G-A46 128Gb Cruzer Blade Usb Flash Drive

SanDiskNeweggUSB-A

Capacity

128GB

Price

$44.33

$/GB

$0.346

74

SANDISK - iXpand Flash Drive Go 256GB USB-A 3.0 to Apple Lightning for iPhone & iPad - Black / Silver

SanDiskBest Buy2yrSATA SSD
4.4(1,367)
90MB/s

Capacity

256 GB

Price

$88.99

$/GB

$0.348

75

SanDisk 256GB Cruzer Ultra USB 3.0 Flash Drive #SDCZ48-256G-A46

SanDiskNeweggUSB-A

Capacity

256GB

Price

$90.17

$/GB

$0.352

76

SANDISK - Creator Phone Drive 256GB USB Type C and Lightning connectors - Blue

SanDiskBest Buy2yrSATA SSD
1.0(1)

Capacity

256 GB

Price

$92.99

$/GB

$0.363

77

SANDISK - 256GB USB Flash Drive for iPhone Lightning and USB Type-C Metallic Sky - Blue

SanDiskBest Buy2yrSATA SSD
4.2(51)
90MB/s

Capacity

256 GB

Price

$94.99

$/GB

$0.371

78

SANDISK - iXpand 128GB USB 3.0/Lightning Flash Drive - Black / Silver

SanDiskBest Buy1yrSATA SSD
4.6(1,464)

Capacity

128 GB

Price

$47.99

$/GB

$0.375

79

SANDISK - Phone Drive 256GB USB Type-C - Maritime - Blue

SanDiskBest Buy2yrSATA SSD
150MB/s

Capacity

256 GB

Price

$95.99

$/GB

$0.375

80

SANDISK - Phone Drive 256GB USB Type-C - Arctic - White

SanDiskBest Buy2yrSATA SSD
150MB/s

Capacity

256 GB

Price

$95.99

$/GB

$0.375

81

Aiibe 5 Pack 128GB USB Flash Drive USB Drive 128GB Thumb Drive USB 2.0 Memory Stick (5 Mixed Colors: Black Red Yellow White Purple)

AiibeAmazonUSB-A

Capacity

128 GB

Price

$49.99

$/GB

$0.391

82

Aiibe 128GB Flash Drive 5 Pack 128GB USB Flash Drives Thumb Drive 128 GB USB Drive USB 2.0 Memory Sticks Jump Drives 128G (5 Pack, Red Green Cyan Yellow Purple)

AiibeAmazon1yrUSB-A

Capacity

128 GB

Price

$54.99

$/GB

$0.430

83

Transcend 128GB JetFlash 930C 2-In-1 USB3.2 Flash Drive Model TS128GJF930C

TranscendNeweggUSB-A

Capacity

128GB

Price

$56.22

$/GB

$0.439

84

SANDISK - iXpand Flash Drive Go 128GB USB 3.0 Type-A to Apple Lightning for iPhone & iPad - Black / Silver

SanDiskBest Buy2yrSATA SSD
4.5(1,241)
90MB/s

Capacity

128 GB

Price

$57.99

$/GB

$0.453

85

SanDisk Cruzer Blade USB Flash Drive - 128 GB - USB 2.0 - Black DRIVE - SDCZ50-128G-A46

SanDiskNeweggUSB-A

Capacity

128GB

Price

$61.65

$/GB

$0.482

86

SANDISK - Creator Phone Drive 128GB USB Type C and Lightning connectors - Blue

SanDiskBest Buy2yrSATA SSD
5.0(1)

Capacity

128 GB

Price

$64.99

$/GB

$0.508

87

3x SanDisk Cruzer Blade USB Flash Drive - 128GB (Red)

SanDiskNeweggUSB-A

Capacity

128GB

Price

$68.99

$/GB

$0.539

88

SANDISK - 128GB USB Flash Drive for iPhone Lightning and USB Type-C Metallic Sky - Blue

SanDiskBest Buy2yrSATA SSD
4.3(31)
90MB/s

Capacity

128 GB

Price

$69.99

$/GB

$0.547

89

PNY - DUO Link 128GB USB 3.0 OTG Flash Drive for iOS Devices and Computers - Gray

PNYBest Buy1yrSATA SSD
4.5(1,465)

Capacity

128 GB

Price

$79.99

$/GB

$0.625

90

Aiibe 128GB USB 3.1 Flash Drive 5 Pack Thumb Drive 128GB USB Drive Retractable Jump Drives Upgraded 150MB/s Memory Stick Multipack (Cyan, Green, Purple, Red, Yellow)

AiibeAmazon1yrUSB-A

Capacity

128 GB

Price

$84.99

$/GB

$0.664

91

5x SanDisk Cruzer Blade USB Flash Drive - 128GB (Red)

SanDiskNeweggUSB-A

Capacity

128GB

Price

$115.99

$/GB

$0.906

92

8x SanDisk Cruzer Blade USB Flash Drive - 128GB (Red)

SanDiskNeweggUSB-A

Capacity

128GB

Price

$179.99

$/GB

$1.406

Find the Cheapest USB Drives Per GB in 2026

Looking for the best USB drive deals? BuyPerUnit compares 202+ USB flash drives ranked by price per gigabyte — so you can find the most storage for your money.

Right now, the cheapest USB storage starts at just $0.070/GB, while the average across all drives is $0.262/GB. Whether you need portable storage for work files, backups, or transferring data, we help you find the best value.

USB Drive Buying Guide: Get the Best Value

1. USB 3.0 is the Sweet Spot

USB 3.0/3.1 drives are 10x faster than USB 2.0 with minimal price premium. USB 2.0 is too slow for modern use. USB 3.2/4.0 adds cost without much benefit for most users.

2. Bigger = Better Value

A 128GB drive at $15 ($0.12/GB) beats a 32GB drive at $8 ($0.25/GB) in value. Buy the largest capacity you can afford for better $/GB.

3. USB-A vs USB-C

USB-A works with more devices today. USB-C is faster and future-proof. Dual-connector drives work with both but cost more per GB.

4. Brand Matters

Stick with SanDisk, Samsung, Kingston, or PNY. Avoid unknown brands with prices that seem too good — they often have fake capacity or fail quickly.

USB-A vs USB-C: Which Should You Buy?

TypeTypical $/GBSpeedBest For
USB-A 3.0$0.08-0.15100-150 MB/sUniversal compatibility, budget builds
USB-C 3.1$0.10-0.20150-400 MB/sNew laptops, MacBooks, phones
Dual (A+C)$0.12-0.25100-300 MB/sMaximum flexibility across devices

Frequently Asked Questions About USB Drives

What's the cheapest USB drive per GB right now?
The cheapest USB drive storage per gigabyte is currently $0.0702/GB. Higher capacity drives (128GB+) typically offer the lowest price per gigabyte.
Is USB 3.0 worth it over USB 2.0?
Absolutely. USB 3.0 is 10x faster than USB 2.0 (100+ MB/s vs 10-15 MB/s) and costs only marginally more. There's no reason to buy USB 2.0 drives in 2026 — the time savings alone make USB 3.0 worth it.
How long do USB drives last?
Quality USB drives from reputable brands can last 10+ years with normal use. They're rated for 10,000-100,000 write cycles. Don't rely on a single USB drive for critical backups — always keep multiple copies of important data.
What size USB drive should I buy?
For documents and small files, 32-64GB is plenty. For photos, music, or moving files between computers, 128-256GB is ideal. For video files or system backups, consider 512GB-1TB. Larger drives have better $/GB value.

How We Find the Cheapest USB Drives

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

Products are ranked from best value (lowest $/GB) to worst. We update prices regularly from Amazon 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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