USB Flash Drives

Ranked by price per gigabyte

As of March 2026, the cheapest usb flash drives on BuyPerUnit costs $0.0957/GB — a Xirtneduav Flash Drive for Phone 512GB, 4 in 1 Photo Stick with Stable Chip, External Storage Compatible with Phone pad Pro Air, Android (OTG), Mac PC, Memory Stick for Photos Docs Backup (Pink) (512 GB) available at Amazon for $48.99. BuyPerUnit tracks 232 usb flash drives products across Amazon, Best Buy, and Newegg, updated daily. The average price is $0.1887/GB.
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1

Flash Drive for Phone 512GB, 4 in 1 Photo Stick with Stable Chip, External Storage Compatible with Phone pad Pro Air, Android (OTG), Mac PC, Memory Stick for Photos Docs Backup (Pink)

XirtneduavAmazonUSB-A49% below avg

Capacity

512 GB

Price

$48.99

$/GB

$0.096

2

PNY PRO Elite V3™ Type-C 2TB 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-C47% below avg

Capacity

2 TB

Price

$199.99

$/GB

$0.100

3

Verbatim 128GB Type C USB 3.2 Gen 1 Flash Drive USB-C Thumb Drive – Blue

VerbatimAmazonUSB-C44% below avg

Capacity

128 GB

Price

$13.55

$/GB

$0.106

4

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

SanDiskAmazon5yrUSB-A39% below avg

Capacity

128 GB

Price

$14.65

$/GB

$0.114

5

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-A38% below avg

Capacity

128 GB

Price

$14.99

$/GB

$0.117

6

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

VerbatimAmazonUSB-A38% below avg

Capacity

128 GB

Price

$14.99

$/GB

$0.117

7

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-A38% below avg

Capacity

256 GB

Price

$29.99

$/GB

$0.117

8

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

SanDiskAmazon2yrUSB-A36% below avg

Capacity

256 GB

Price

$30.94

$/GB

$0.121

9

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-A30% below avg

Capacity

128 GB

Price

$16.99

$/GB

$0.133

10

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-C30% below avg

Capacity

128 GB

Price

$16.99

$/GB

$0.133

11

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-A28% below avg

Capacity

256 GB

Price

$34.83

$/GB

$0.136

12

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

SanDiskAmazon1yrUSB-A27% below avg

Capacity

128 GB

Price

$17.59

$/GB

$0.137

13

SSK 1TB USB Drive,External SSD Fast 550MB/s 2-in-1 Dual-Drive Type C+ A USB3.2 Gen2 Solid State ThumbDrive SSD-Stick for iPhone 15/16/PS4/Android Phone/Tablet/Windows/Mac

SSKAmazonUSB-C26% below avg

Capacity

1 TB

Price

$138.99

$/GB

$0.139

14

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-C26% below avg

Capacity

256 GB

Price

$35.99

$/GB

$0.141

15

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

Amazon BasicsAmazonUSB-A24% below avg

Capacity

256 GB

Price

$36.94

$/GB

$0.144

16

SanDisk 512GB Ultra Fit USB 3.2 Gen 1 Flash Drive - Up to 400MB/s, Plug-and-Stay Design - SDCZ430-512G-GAM46, Black

SanDiskAmazonUSB-A23% below avg

Capacity

512 GB

Price

$74.59

$/GB

$0.146

17

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-A21% below avg

Capacity

128 GB

Price

$18.99

$/GB

$0.148

18

JOIOT 256GB 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-C21% below avg

Capacity

256 GB

Price

$37.99

$/GB

$0.148

19

TRANSCEND TS128GJF700 128GB JETFLASH 700 FLASH DRIVE

TranscendNeweggUSB-A20% below avg

Capacity

128GB

Price

$19.21

$/GB

$0.150

20

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

SanDiskAmazonUSB-A

Capacity

256 GB

Price

$39.63

$/GB

$0.155

21

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

PNYBest Buy1yrUSB-A
4.7(5,026)
60MB/s

Capacity

128 GB

Price

$19.99

$/GB

$0.156

22

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

PNYAmazon1yrUSB-A

Capacity

256 GB

Price

$39.99

$/GB

$0.156

23

PNY - Elite Turbo Attaché 4 512GB USB 3.2 Flash Drive - Gray

PNYBest Buy1yrSATA SSD
4.8(277)
100MB/s

Capacity

512 GB

Price

$79.99

$/GB

$0.156

24

SANDISK - Ultra 512GB USB 3.0 Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
4.8(1,304)
130MB/s

Capacity

512 GB

Price

$80.99

$/GB

$0.158

25

SANDISK - Ultra Dual Drive Go 1TB USB Type-A/USB Type-C Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
4.5(290)
400MB/s

Capacity

1 TB

Price

$159.99

$/GB

$0.160

26

PNY - PRO Elite V3 1TB USB 3.2 Gen 2 Flash Drive - Black

PNYBest Buy2yrSATA SSD
4.7(56)
1,000 / 800MB/s

Capacity

1 TB

Price

$159.99

$/GB

$0.160

27

PNY - 512GB Elite-X Fit USB 3.1 Flash Drive - 200MB/s - Black

PNYBest Buy1yrSATA SSD
4.6(77)
200MB/s

Capacity

512 GB

Price

$82.99

$/GB

$0.162

28

SANDISK - Ultra Dual Drive Go 512GB USB Type-A/USB Type-C Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
4.6(687)
400MB/s

Capacity

512 GB

Price

$82.99

$/GB

$0.162

29

SSK External USB C SSD Flash Drive 512GB, Up to 550MB/s 2-in-1 Type C+ USB A USB3.2 Gen2 Solid State Thumb Drive, Memory Stick Data Storage for iPhone 15/PS4/PS5/Android Phone/Windows/Mac

SSKAmazonUSB-C

Capacity

512 GB

Price

$82.99

$/GB

$0.162

30

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

31

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

SanDiskAmazonUSB-A

Capacity

256 GB

Price

$41.99

$/GB

$0.164

32

SANDISK - 1TB Ultra Slider USB Type-C Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
3.8(4)
400MB/s

Capacity

1 TB

Price

$164.99

$/GB

$0.165

33

SANDISK - Ultra Fit 512GB USB 3.1 Flash Drive - Black

SanDiskBest Buy2yrSATA SSD
4.8(82)
400MB/s

Capacity

512 GB

Price

$84.99

$/GB

$0.166

34

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

35

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

PNYBest Buy1yrSATA SSD
4.7(10,772)
100MB/s

Capacity

256 GB

Price

$42.99

$/GB

$0.168

36

SanDisk Ultra CZ48 256GB USB 3.0 Flash Drive (SDCZ48-256G-U46)

SanDiskNeweggUSB-A

Capacity

256GB

Price

$43.30

$/GB

$0.169

37

PNY - PRO Elite V2 1TB USB 3.2 Gen 2 Flash Drive - Black

PNYBest Buy2yrSATA SSD
4.9(63)
600 / 500MB/s

Capacity

1 TB

Price

$169.99

$/GB

$0.170

38

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

$21.99

$/GB

$0.172

39

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

$43.99

$/GB

$0.172

40

SANDISK - 512GB Ultra Slider USB Type-C Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
4.0(2)
400MB/s

Capacity

512 GB

Price

$87.99

$/GB

$0.172

41

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

SanDiskAmazon5yrUSB-C

Capacity

256 GB

Price

$44.99

$/GB

$0.176

42

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

SanDiskAmazonUSB-A

Capacity

256 GB

Price

$44.99

$/GB

$0.176

43

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

44

SANDISK - Ultra 256GB USB 3.0 Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
4.8(4,941)
130MB/s

Capacity

256 GB

Price

$44.99

$/GB

$0.176

45

PNY - PRO Elite V3 512GB USB 3.2 Gen 2 Flash Drive - Black

PNYBest Buy2yrSATA SSD
4.9(34)
1,000 / 800MB/s

Capacity

512 GB

Price

$89.99

$/GB

$0.176

46

SANDISK - Ultra Dual Drive Luxe 512GB USB 3.1, USB Type-C Flash Drive - Silver

SanDiskBest Buy5yrSATA SSD
4.6(237)
400MB/s

Capacity

512 GB

Price

$89.99

$/GB

$0.176

47

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

48

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

SanDiskBest Buy2yrSATA SSD
4.7(1,428)
400MB/s

Capacity

256 GB

Price

$45.99

$/GB

$0.180

49

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

SanDiskBest Buy5yrSATA SSD
4.7(1,545)
400MB/s

Capacity

256 GB

Price

$45.99

$/GB

$0.180

50

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

SanDiskAmazonUSB-C

Capacity

256 GB

Price

$45.99

$/GB

$0.180

51

SANDISK - Ultra Dual Drive Luxe 1TB USB 3.1, USB Type-C Flash Drive - Silver

SanDiskBest Buy5yrSATA SSD
4.7(174)
400MB/s

Capacity

1 TB

Price

$179.99

$/GB

$0.180

52

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

$23.59

$/GB

$0.184

53

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

$23.99

$/GB

$0.187

54

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

55

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

PNYBest Buy1yrSATA SSD
4.7(10,772)
100MB/s

Capacity

128 GB

Price

$24.99

$/GB

$0.195

56

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

PNYBest Buy2yrSATA SSD
4.8(38)
1,000 / 800MB/s

Capacity

256 GB

Price

$49.99

$/GB

$0.195

57

PNY - PRO Elite V2 512GB USB 3.2 Gen 2 Flash Drive - Black

PNYBest Buy1yrSATA SSD
4.9(99)
600 / 500MB/s

Capacity

512 GB

Price

$99.99

$/GB

$0.195

58

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-C

Capacity

128 GB

Price

$25.53

$/GB

$0.199

59

SanDisk 1TB Ultra Dual Drive Go USB Type-C Flash Drive, Black - SDDDC3-1T00-GAM46

SanDiskNeweggUSB-C

Capacity

1TB

Price

$199.99

$/GB

$0.200

60

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

SanDiskAmazon5yrUSB-C

Capacity

256 GB

Price

$51.43

$/GB

$0.201

61

KOOTION Flash Drive 64 GB USB 3.0 Flash Drive Thumb Drive Retractable 64G Memory Stick Ultra High Speed USB Stick Rugged Jump Drive with LED Indicator for Data Storage and Transfer

KOOTIONAmazonUSB-A

Capacity

64 GB

Price

$12.99

$/GB

$0.203

62

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

SanDiskBest Buy2yrUSB-A
4.8(9,107)
90MB/s

Capacity

128 GB

Price

$25.99

$/GB

$0.203

63

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

SanDiskAmazonUSB-A

Capacity

128 GB

Price

$25.99

$/GB

$0.203

64

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

SamsungAmazon5yrUSB-A

Capacity

256 GB

Price

$51.99

$/GB

$0.203

65

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

SanDiskBest Buy5yrSATA SSD
4.6(244)
400MB/s

Capacity

256 GB

Price

$51.99

$/GB

$0.203

66

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

67

SanDisk 64GB Cruzer Glide USB 3.0 Flash Drive SDCZ600-064G-B35

SanDiskAmazonUSB-A

Capacity

64 GB

Price

$13.03

$/GB

$0.204

68

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

69

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

SanDiskAmazon5yrUSB-C

Capacity

128 GB

Price

$26.51

$/GB

$0.207

70

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

SanDiskAmazon5yrUSB-C

Capacity

128 GB

Price

$27.20

$/GB

$0.212

71

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

$27.70

$/GB

$0.216

72

SanDisk 64GB Ultra Dual Drive Go USB Type-C Flash Drive, Black - SDDDC3-064G-G46

SanDiskAmazon5yrUSB-C24% this week

Capacity

64 GB

Price

$13.96

$/GB

$0.218

73

SanDisk Ultra Fit USB 3.1 Flash Drive 256GB SDCZ430256GA46

SanDiskNeweggUSB-A90d low

Capacity

256GB

Price

$55.95

$/GB

$0.219

74

Vansuny 64GB USB-C 2-in-1 Dual Flash Drive - USB A & C OTG for Android, Smartphone, Tablet, Computer (Blue)

VansunyAmazon1yrUSB-C

Capacity

64 GB

Price

$13.99

$/GB

$0.219

75

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

76

SANDISK - Ultra 128GB USB 3.0 Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
4.8(10,281)
130MB/s

Capacity

128 GB

Price

$27.99

$/GB

$0.219

77

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

78

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

$29.98

$/GB

$0.234

79

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

SanDiskBest Buy2yrSATA SSD
4.7(2,484)
400MB/s

Capacity

128 GB

Price

$29.99

$/GB

$0.234

80

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

$29.99

$/GB

$0.234

81

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

KodakNeweggUSB-A

Capacity

128GB

Price

$29.99

$/GB

$0.234

82

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

83

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

$30.01

$/GB

$0.234

84

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

$30.39

$/GB

$0.237

85

SANDISK - Extreme PRO 1TB Dual Drive High-Performance USB Type-A and USB Type-C Flash Drive - Black

SanDiskBest BuySATA SSD
5.0(2)
1,000 / 900MB/s

Capacity

1 TB

Price

$239.99

$/GB

$0.240

86

Samsung Micro SDXC EVO Plus 160MB/s Flash Memory Card 512GB

SamsungNeweggUSB-A

Capacity

512GB

Price

$125.00

$/GB

$0.244

87

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

$31.98

$/GB

$0.250

88

64GB USB C Flash Drive, 2-in-1 OTG USB 3.0 Thumb Drive, Dual USB Memory Stick Pen Drive for Type-C Android Smartphones Tablets and New MacBook Laptop PC PDA Samsung, Black

SanfeyaAmazonUSB-C

Capacity

64 GB

Price

$15.99

$/GB

$0.250

89

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

$31.99

$/GB

$0.250

90

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

$31.99

$/GB

$0.250

91

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

92

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

SanDiskBest Buy5yrSATA SSD
4.7(2,354)
400MB/s

Capacity

128 GB

Price

$31.99

$/GB

$0.250

93

SANDISK - Extreme Fit 512GB USB-C Flash Drive - Black

SanDiskBest Buy5yrSATA SSD
400MB/s

Capacity

512 GB

Price

$129.99

$/GB

$0.254

94

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

95

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

96

Samsung Micro SDXC EVO Plus 160MB/s Flash Memory Card 1TB

SamsungNeweggUSB-A

Capacity

1TB

Price

$258.89

$/GB

$0.259

97

SanDisk 512GB Extreme PRO Dual Drive - Up to 1,000MB/s, USB Type-C, and USB Type-A, High-Performance Flash Drive - SDDDE1-512G-G46

SanDiskAmazonUSB-C

Capacity

512 GB

Price

$132.99

$/GB

$0.260

98

SSK 64GB Dual USB Flash Drive USB C Thumb Drive, up to 240 MB/s Type-C and USB-A 3.2 FlashDrive Memory Stick, Zinc Pendrive for iPhone 15/16Pro/Win/Android OTG with Water, Dust, and Drop Resistance

SSKAmazon5yrUSB-C

Capacity

64 GB

Price

$16.99

$/GB

$0.265

99

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

SanDiskBest Buy5yrSATA SSD
400MB/s

Capacity

256 GB

Price

$67.99

$/GB

$0.266

100

Unirex USFW364 64GB USB 3.0 Flash Drive

UnirexNeweggUSB-A

Capacity

64GB

Price

$17.00

$/GB

$0.266

Find the Cheapest USB Drives Per GB in 2026

Looking for the best USB drive deals? BuyPerUnit compares 232+ 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 $0.096/GB, while the average across all drives is $0.189/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 $0.0957/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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