USB Flash Drives

Ranked by price per gigabyte

Updated daily · No paid placements

As of May 2026, the cheapest usb flash drives on BuyPerUnit costs $0.0882/GB — a Verbatim Verbatim 128GB Store 'N' Go USB Flash Drive, Red 98525 (128 GB) available at Amazon for $11.29. BuyPerUnit tracks 213 usb flash drives products across Amazon, Best Buy, and Newegg, updated daily. The average price is $0.3008/GB.
Ranked by:$/GB
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1

Verbatim 128GB Store 'N' Go USB Flash Drive, Red 98525

VerbatimAmazonUSB-A90d low

Capacity

128 GB

Price

$11.29

$/GB

$0.088

Check Price at Amazon
2

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-A61% below avg

Capacity

256 GB

Price

$29.99

$/GB

$0.117

Check Price at Amazon
3

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

PNYAmazon1yrUSB-A61% below avg

Capacity

256 GB

Price

$29.99

$/GB

$0.117

Check Price at Amazon
4

256 GB USB 3.0 Flash Drive KOOTION Flash Drive 3.0 Thumb Drive Retractable 256G Memory Stick USB Drive Jump Drive Rugged with LED Indicator for Data Storage and Transfer

UnknownAmazon59% below avg

Capacity

256 GB

Price

$31.49

$/GB

$0.123

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5

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

ENUODAAmazon1yrUSB-A56% below avg

Capacity

128 GB

Price

$16.99

$/GB

$0.133

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6

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-A53% below avg

Capacity

128 GB

Price

$17.99

$/GB

$0.141

Check Price at Amazon
7

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-A53% below avg

Capacity

128 GB

Price

$17.99

$/GB

$0.141

Check Price at Amazon
8

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-C53% below avg

Capacity

256 GB

Price

$35.99

$/GB

$0.141

Check Price at Amazon
9

Aiibe 128GB USB C Flash Drive Dual Type C + USB A 128GB Jump Drive Push-Pull Thumb Drive for iPhone 15/16 Smartphone Tablet Computer

AiibeAmazon1yrUSB-C51% below avg

Capacity

128 GB

Price

$18.99

$/GB

$0.148

Check Price at Amazon
10

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 15/16/17 Car Game Console, 128GB Black

KEXINAmazonUSB-C90d low

Capacity

128 GB

Price

$19.99

$/GB

$0.156

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11

PNY PRO Elite V3™ Type-C 256GB USB 3.2 Gen 2 Flash Drive – Up to 1000MB/s Read, Up to 800MB/s Write, Extreme Performance for Professional Data Storage and Transfers, Premium Metal Design, USB-C

PNYAmazon2yrUSB-C48% below avg

Capacity

256 GB

Price

$39.99

$/GB

$0.156

Check Price at Amazon
12

SANDISK 256GB Ultra Flair USB 3.0 Flash Drive, SDCZ73-256G-G46, Black

SanDiskAmazonUSB-A46% below avg

Capacity

256 GB

Price

$41.73

$/GB

$0.163

Check Price at Amazon
13

128GB Flash Drive USB 3.0 High Speed Storage Thumb Drives Memory Stick with LED Indicator, Swivel Metal Photo Stick Pendrive Jump Drives Memoria USB Drive Zip Data Storage School Office Supplies

UnknownAmazon46% below avg

Capacity

128 GB

Price

$20.88

$/GB

$0.163

Check Price at Amazon
14

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-C45% below avg

Capacity

256 GB

Price

$41.99

$/GB

$0.164

Check Price at Amazon
15

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

SanDiskAmazonUSB-A45% below avg

Capacity

256 GB

Price

$41.99

$/GB

$0.164

Check Price at Amazon
16

JOIOT 256GB USB C Flash Drive Dual USB 3.0 Type C + USB A Portable 2-in-1 Thumb Drive for Smartphone Tablet Computer Mac iPhone 15 Black

JOIOTAmazon1yrUSB-C44% below avg

Capacity

256 GB

Price

$42.99

$/GB

$0.168

Check Price at Amazon
17

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

SanDiskAmazon5yrUSB-C90d low

Capacity

128 GB

Price

$21.95

$/GB

$0.171

Check Price at Amazon
18

SANDISK 256GB Ultra Luxe USB 3.1 Gen 1 Flash Drive - SDCZ74-256G-G46

SanDiskAmazonUSB-A42% below avg

Capacity

256 GB

Price

$44.52

$/GB

$0.174

Check Price at Amazon
19

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-C42% below avg

Capacity

256 GB

Price

$44.99

$/GB

$0.176

Check Price at Amazon
20

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

SamsungAmazon5yrUSB-A42% below avg

Capacity

256 GB

Price

$44.99

$/GB

$0.176

Check Price at Amazon
21

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-C41% below avg

Capacity

128 GB

Price

$22.87

$/GB

$0.179

Check Price at Amazon
22

SanDisk - Cruzer Glide 128GB USB 2.0 Flash Drive SDCZ600-128G-G35

SanDiskAmazon40% below avg

Capacity

128 GB

Price

$22.98

$/GB

$0.180

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23

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-C40% below avg

Capacity

128 GB

Price

$22.99

$/GB

$0.180

Check Price at Amazon
24

INLAND Micro Center Super Speed 128GB USB 3.0/USB3.1 Gen1 Flash Drive Gum Size Memory Stick Thumb Drive Data Storage Jump Drive

InlandAmazon40% below avg

Capacity

128 GB

Price

$22.99

$/GB

$0.180

Check Price at Amazon
25

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

SanDiskAmazonUSB-C39% below avg

Capacity

256 GB

Price

$46.99

$/GB

$0.184

Check Price at Amazon
26

Amazon Basics 256GB USB Flash Drive, Thumb Drive Memory Stick with USB C and USB A Dual Ports, Champagne Silver

Amazon BasicsAmazonUSB-A38% below avg

Capacity

256 GB

Price

$47.45

$/GB

$0.185

Check Price at Amazon
27

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

Amazon BasicsAmazonUSB-A90d low

Capacity

128 GB

Price

$23.74

$/GB

$0.185

Check Price at Amazon
28

SANDISK 128GB Cruzer Glide USB 2.0 Flash Drive - SDCZ60-128G-B35

SanDiskAmazon5yrUSB-A38% below avg

Capacity

128 GB

Price

$23.95

$/GB

$0.187

Check Price at Amazon
29

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-C38% below avg

Capacity

256 GB

Price

$47.99

$/GB

$0.187

Check Price at Amazon
30

fanxiang 2 Pack 128GB USB Flash Drive, Metal Thumb Drives, USB 3.2 Up to 200MB/s Type A Memory Stick for Storage and Backup, F309

UnknownAmazon35% below avg

Capacity

128 GB

Price

$24.99

$/GB

$0.195

Check Price at Amazon
31

SANDISK 128GB Ultra Luxe USB Type-C Flash Drive - Up to 400MB/s, USB 3.2 Gen 1, Premium Metal Design - SDCZ75-128G-G46

SanDiskAmazon5yrUSB-C34% below avg

Capacity

128 GB

Price

$25.53

$/GB

$0.199

Check Price at Amazon
32

SANDISK 128GB Ultra Flair USB 3.0 Flash Drive, SDCZ73-128G-G46, Black

SanDiskAmazon1yrUSB-A32% below avg

Capacity

128 GB

Price

$25.99

$/GB

$0.203

Check Price at Amazon
33

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-A90d low

Capacity

128 GB

Price

$25.99

$/GB

$0.203

Check Price at Amazon
34

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

SanDiskAmazonUSB-A29% below avg

Capacity

128 GB

Price

$27.20

$/GB

$0.212

Check Price at Amazon
35

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-A26% below avg

Capacity

256 GB

Price

$56.99

$/GB

$0.223

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36

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

PNYAmazon1yrUSB-A25% below avg

Capacity

256 GB

Price

$57.99

$/GB

$0.227

Check Price at Amazon
37

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

SanDiskAmazonUSB-A25% below avg

Capacity

128 GB

Price

$29.00

$/GB

$0.227

Check Price at Amazon
38

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

SanDiskAmazon5yrUSB-C22% below avg

Capacity

128 GB

Price

$29.99

$/GB

$0.234

Check Price at Amazon
39

Kodak USB2.0 K100 128GB Flash Drive (5-pack)

KodakNeweggUSB-A22% below avg

Capacity

128GB

Price

$29.99

$/GB

$0.234

Check Price at Newegg
40

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

myemuunAmazonUSB-C22% below avg

Capacity

128 GB

Price

$29.99

$/GB

$0.234

Check Price at Amazon
41

Lexar D40E 128GB Dual USB 3.2 Gen 1 Type-C Jump Drive, USB-C Flash Metal Housing Swivel Design Thumb Drive (Champagne Silver)

LexarAmazonUSB-A

Capacity

128 GB

Price

$30.99

$/GB

$0.242

Check Price at Amazon
42

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

$31.59

$/GB

$0.247

Check Price at Amazon
43

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

SanDiskAmazonUSB-A

Capacity

128 GB

Price

$32.08

$/GB

$0.251

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44

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

SamsungAmazon5yrUSB-A

Capacity

256 GB

Price

$64.85

$/GB

$0.253

Check Price at Amazon
45

PNY 128GB Turbo Attaché 3 USB 3.0 Flash Drive, Silver (Pack of 2)

PNYAmazon1yrUSB-A

Capacity

128 GB

Price

$32.99

$/GB

$0.258

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46

SANDISK 256GB Ultra Dual Drive - USB-C, USB 3.1 - SDDDC2-256G-G46

SanDiskAmazon5yrUSB-C

Capacity

256 GB

Price

$66.24

$/GB

$0.259

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47

UnionSine USB C External SSD 128GB, USB3.2 Solid State Flash Drive Up to 450MB/s, Mini Type-C USB Drive SSD-Stick for iPhone 15/16/17 Series, Android Phone, Laptop, Tablet, TV, Car Audio

UnionSineAmazon2yrUSB-C90d low

Capacity

128 GB

Price

$33.88

$/GB

$0.265

Check Price at Amazon
48

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

$33.99

$/GB

$0.266

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49

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

SanDiskAmazonUSB-C

Capacity

128 GB

Price

$35.85

$/GB

$0.280

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50

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

$145.99

$/GB

$0.285

Check Price at Amazon
51

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

$36.99

$/GB

$0.289

Check Price at Amazon
52

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

Check Price at Amazon
53

Lexar D50E 128GB Solid State Dual Drive, USB Flash Drive Up to 400MB/s Read, 360MB/s Write High-Performance, USB-C & USB-A Port, Metal Housing Swivel Design, Compatible with iPhone 17, Android, PC

LexarAmazonUSB-C

Capacity

128 GB

Price

$37.79

$/GB

$0.295

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54

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

TranscendNeweggUSB-A

Capacity

256GB

Price

$77.39

$/GB

$0.302

Check Price at Newegg
55

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

$77.49

$/GB

$0.303

Check Price at Amazon
56

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

$39.99

$/GB

$0.312

Check Price at Amazon
57

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

$39.99

$/GB

$0.312

Check Price at Amazon
58

Samsung Type-C USB Flash Drive, 128GB, 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-128DA/AM

SamsungAmazon5yrUSB-C

Capacity

128 GB

Price

$39.99

$/GB

$0.312

Check Price at Amazon
59

Lexar 128GB 2-Pack Flash Drive A30E USB 3.2 Gen 1, USB Drive up to 100MB/s, Storage Expansion and Backup for PC and Mac Systems

LexarAmazonUSB-A

Capacity

128 GB

Price

$39.99

$/GB

$0.312

Check Price at Amazon
60

128GB USB Flash Drive

NeweggUSB-A

Capacity

128GB

Price

$40.95

$/GB

$0.320

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61

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

SamsungNeweggUSB-A

Capacity

256GB

Price

$89.95

$/GB

$0.351

Check Price at Newegg
62

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

SamsungNeweggUSB-A

Capacity

256GB

Price

$92.69

$/GB

$0.362

Check Price at Newegg
63

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

Check Price at Best Buy
64

GIGASTONE 128GB Slim Fit Flash Drive (2 Pack) Z70 USB 3.2 Gen 1, 120MB/s Ultra Fast, Nickel Metal Design, Data Storage, Backup for PC/Mac/TV/Car Audio, USB 2.0/3.0/3.1 Compatible

GigastoneAmazon5yr

Capacity

128 GB

Price

$50.99

$/GB

$0.398

Check Price at Amazon
65

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

$59.99

$/GB

$0.469

Check Price at Amazon
66

128GB Flash Drive KOOTION USB Drive Flash Drive 128GB Thumb Drive Jump Drives Memory Stick Keychain Design Pen Drive (5 Pack, Mixed Color)

UnknownAmazon

Capacity

128 GB

Price

$59.99

$/GB

$0.469

Check Price at Amazon
67

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

$59.99

$/GB

$0.469

Check Price at Amazon
68

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

SanDiskNeweggUSB-A

Capacity

128GB

Price

$63.99

$/GB

$0.500

Check Price at Newegg
69

PNY 128GB Attaché 4 2.0 Flash Drive PFD128ATT4GE

PNYNeweggUSB-A

Capacity

128GB

Price

$70.79

$/GB

$0.553

Check Price at Newegg
70

PNY 128GB Turbo Attaché 3 USB 3.0 Flash Drive 5-Pack – Grey, P-FD128X5TBOP-MP, 100MB/s, Light-Weight Durable - Data Storage and Transfer

PNYAmazon1yrUSB-A

Capacity

128 GB

Price

$74.99

$/GB

$0.586

Check Price at Amazon
71

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

Check Price at Best Buy
72

GIGASTONE 128GB Flash Drive (5 Pack) Z30 USB 3.2 Gen 1, 100MB/s Ultra Fast, Keychain Loop, Carbon Fiber Style, Push-Pull Design, Data Storage, Backup for PC/Mac/TV/Car, USB 2.0/3.0/3.1 Compatible

UnknownAmazon

Capacity

128 GB

Price

$89.99

$/GB

$0.703

Check Price at Amazon
73

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

$95.99

$/GB

$0.750

Check Price at Amazon
74

Raspberry Pi Official 128GB USB 3.0 Flash Drive for Raspberry Pi Boards, USB 2.0/3.0 Compatible, U1/U2 Low Power Mode

RaspberryNeweggUSB-A

Capacity

128GB

Price

$96.38

$/GB

$0.753

Check Price at Newegg
75

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

SanDiskNeweggUSB-A

Capacity

128GB

Price

$105.99

$/GB

$0.828

Check Price at Newegg
76

SAMSUNG EVO Plus 128GB microSDXC Flash Card w/ Adapter Model MB-MC128SA/CA

SamsungNeweggUSB-A

Capacity

128GB

Price

$129.51

$/GB

$1.012

Check Price at Newegg
77

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

SanDiskNeweggUSB-A

Capacity

128GB

Price

$164.99

$/GB

$1.289

Check Price at Newegg
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Find the Cheapest USB Drives Per GB in 2026

Looking for the best USB drive deals? BuyPerUnit compares 213+ 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 $0.088/GB, while the average across all drives is $0.301/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 $0.0882/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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