USB Flash Drives
Ranked by price per gigabyte
Updated twice daily · No paid placements
Rankings show one recently checked offer per product and condition on this page. Other offers remain on product pages. The final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
| Rank | Type | Trend | |||||||
|---|---|---|---|---|---|---|---|---|---|
501 | USB-A | 32 GB | — | $69.99checked <1h ago | $2.187View at Amazon | ||||
502 | USB-A | 32GB | — | $70.31checked 11h ago | $2.197View at Newegg | ||||
503 | USB-A | 8GB | — | $17.77checked 11h ago | $2.221View at Newegg | ||||
504 | USB-A | 16GB | — | $35.99checked 11h ago | $2.249View at Newegg | ||||
505 | USB-A | 16 GB | — | $35.99checked <1h ago | $2.249View at Amazon | ||||
506 | USB-A | 32GB | — | $73.99checked 11h ago | $2.312View at Newegg | ||||
507 | USB-A | 8 GB | — | $18.89checked <1h ago | $2.361View at Amazon | ||||
508 | USB-A | 8 GB | — | $18.89checked <1h ago | $2.361View at Amazon | ||||
509 | USB-A | 8GB | — | $18.99checked 11h ago | $2.374View at Newegg | ||||
510 | USB-A | 16GB | — | $38.95checked 11h ago | $2.434View at Newegg | ||||
511 | USB-A | 128GB | — | $313.02checked 11h ago | $2.445View at Newegg | ||||
512 | USB-A | 16 GB | — | $39.99checked <1h ago | $2.499View at Amazon | ||||
513 | USB-A | 128GB | — | $319.94checked 11h ago | $2.500View at Newegg | ||||
514 | USB-A | 16GB | — | $40.99checked 11h ago | $2.562View at Newegg | ||||
515 | USB-A | 64GB | — | $164.99checked 23h ago | $2.578View at Newegg | ||||
516 | USB-A | 8GB | — | $20.79checked 11h ago | $2.599View at Newegg | ||||
517 | USB-A | 8 GB | — | $21.99checked <1h ago | $2.749View at Amazon | ||||
518 | USB-A | 32GB | — | $87.99checked 23h ago | $2.750View at Newegg | ||||
519 | USB-A | 32GB | — | $89.50checked 11h ago | $2.797View at Newegg | ||||
520 | USB-A | 64GB | — | $179.05checked 11h ago | $2.798View at Newegg | ||||
521 | USB-A | 64GB | — | $179.05checked 11h ago | $2.798View at Newegg | ||||
522 | USB-A | 64GB | — | $179.95checked 11h ago | $2.812View at Newegg | ||||
523 | USB-A | 64GB | — | $191.99checked 11h ago | $3.000View at Newegg | ||||
524 | USB-A | 32GB | — | $96.47checked 11h ago | $3.015View at Newegg | ||||
525 | USB-A | 64GB | — | $198.79checked 11h ago | $3.106View at Newegg | ||||
526 | USB-A | 32GB | — | $99.95checked 11h ago | $3.123View at Newegg | ||||
527 | USB-A | 32GB | — | $99.99checked 11h ago | $3.125View at Newegg | ||||
528 | USB-A | 64GB | — | $205.14checked 11h ago | $3.205View at Newegg | ||||
529 | USB-A | 16 GB | — | $52.19checked <1h ago | $3.262View at Amazon | ||||
530 | USB-A | 32GB | — | $105.70checked 11h ago | $3.303View at Newegg | ||||
531 | USB-A | 64GB | — | $214.95checked 11h ago | $3.359View at Newegg | ||||
532 | USB-A | 60GB | — | $209.00checked 11h ago | $3.483View at Newegg | ||||
533 | USB-A | 64GB | — | $235.12checked 11h ago | $3.674View at Newegg | ||||
534 | USB-A | 8 GB | — | $30.88checked <1h ago | $3.860View at Amazon | ||||
535 | USB-A | 32GB | — | $124.41checked 11h ago | $3.888View at Newegg | ||||
536 | USB-A | 8GB | — | $31.26checked 11h ago | $3.908View at Newegg | ||||
537 | USB-A | 16GB | — | $63.46checked 11h ago | $3.966View at Newegg | ||||
538 | USB-A | 32GB | — | $129.18checked 11h ago | $4.037View at Newegg | ||||
539 | USB-A | 32GB | — | $129.95checked 11h ago | $4.061View at Newegg | ||||
540 | USB-A | 8GB | — | $32.73checked 11h ago | $4.091View at Newegg | ||||
541 | USB-A | 8GB | — | $34.15checked 11h ago | $4.269View at Newegg | ||||
542 | USB-A | 32GB | — | $137.28checked 11h ago | $4.290View at Newegg | ||||
543 | USB-A | 16GB | — | $69.99checked 11h ago | $4.374View at Newegg | ||||
544 | USB-A | 32 GB | — | $149.85checked <1h ago | $4.683View at Amazon | ||||
545 | USB-A | 32GB | — | $153.99checked 11h ago | $4.812View at Newegg | ||||
546 | USB-A | 8GB | — | $39.87checked 11h ago | $4.984View at Newegg | ||||
547 | USB-A | 16GB | — | $79.99checked 11h ago | $4.999View at Newegg | ||||
548 | USB-A | 32GB | — | $163.61checked 11h ago | $5.113View at Newegg | ||||
549 | USB-A | 16GB | — | $83.22checked 11h ago | $5.201View at Newegg | ||||
550 | USB-A | 16GB | — | $89.95checked 11h ago | $5.622View at Newegg | ||||
551 | USB-A | 16GB | — | $89.99checked 11h ago | $5.624View at Newegg | ||||
552 | USB-A | 16GB | — | $89.99checked 11h ago | $5.624View at Newegg | ||||
553 | USB-A | 32GB | — | $189.00checked 11h ago | $5.906View at Newegg | ||||
554 | USB-A | 16GB | — | $94.95checked 47h ago | $5.934View at Newegg | ||||
555 | USB-A | 30GB | — | $182.81checked 11h ago | $6.094View at Newegg | ||||
556 | USB-A | 32GB | — | $199.70checked 11h ago | $6.241View at Newegg | ||||
557 | USB-A | 16GB | — | $103.99checked 11h ago | $6.499View at Newegg | ||||
558 | USB-A | 4 GB | — | $27.88checked <1h ago | $6.970View at Amazon | ||||
559 | USB-A | 16GB | — | $119.99checked 11h ago | $7.499View at Newegg | ||||
560 | USB-A | 16GB | — | $119.99checked 11h ago | $7.499View at Newegg | ||||
561 | USB-A | 16GB | — | $120.99checked 35h ago | $7.562View at Newegg | ||||
562 | USB-A | 32GB | — | $249.00checked 11h ago | $7.781View at Newegg | ||||
563 | USB-A | 16GB | — | $130.99checked 11h ago | $8.187View at Newegg | ||||
564 | USB-A | 8 GB | — | $66.49checked <1h ago | $8.311View at Amazon | ||||
565 | USB-A | 16GB | — | $154.02checked 11h ago | $9.626View at Newegg | ||||
566 | USB-A | 16GB | — | $156.83checked 11h ago | $9.802View at Newegg | ||||
567 | USB-A | 16GB | — | $159.00checked 11h ago | $9.938View at Newegg | ||||
568 | USB-A | 16GB | — | $159.00checked 11h ago | $9.938View at Newegg | ||||
569 | USB-A | 16GB | — | $169.00checked 11h ago | $10.563View at Newegg | ||||
570 | USB-A | 16GB | — | $169.95checked 11h ago | $10.622View at Newegg | ||||
571 | USB-A | 4 GB | — | $56.88checked <1h ago | $14.220View at Amazon | ||||
572 | USB-A | 16GB | — | $250.00checked 11h ago | $15.625View at Newegg | ||||
573 | USB-A | 8GB | — | $156.83checked 11h ago | $19.604View at Newegg | ||||
574 | USB-A | 1 GB | — | $24.88checked <1h ago | $24.880View at Amazon | ||||
575 | USB-A | 16GB | — | $849.00checked 11h ago | $53.063View at Newegg |
Micro Center SuperSpeed 10 Pack 32GB USB 3.0 Flash Drive Thumb Drive, Brown | High Transfer Speed, 10X Faster than USB 2.0 USB Drive, LED Light Indicator, Type-A, Data Storage and Backup
Capacity
32 GB
Price
$69.99
$/GB
$2.187
Kingston Technology IronKey 32GB Locker Plus 50 G2, FIPS 197, AES-256
Capacity
32GB
Price
$70.31
$/GB
$2.197
USB SPY 8GB Flash Drive digital Audio voice Recorders Pen with Recording 150 hrs
Capacity
8GB
Price
$17.77
$/GB
$2.221
2 Pack SanDisk 16GB USB 3.1 Ultra Fit 16G CZ430 130MB/s SDCZ430-016G Flash Drive
Capacity
16GB
Price
$35.99
$/GB
$2.249
Enfain 16GB USB 2.0 Flash Drive 10 Pack | Swivel Thumb Drives with 31 Labels | Gift-Ready Packaging for Corporate Events, Office & Team Distributions (Black)
Capacity
16 GB
Price
$35.99
$/GB
$2.249
PQI iConnect Mini [Apple MFi] 32GB Mobile Flash Drive w/ Lightning Connector for iPhones / iPads / iPod / Mac & PC USB 3.0 (Iron Gray) Model
Capacity
32GB
Price
$73.99
$/GB
$2.312
EASTFUN 5Pcs 8GB USB Flash Drive USB 2.0 Flash Memory Stick Thumb Stick Pen(Five Mixed Colors: Blue Purple Rose Green Gold)
Capacity
8 GB
Price
$18.89
$/GB
$2.361
MAKACTUA 5 Pack 8GB USB Flash Drive, USB 2.0 Memory Stick Thumb Drive Pen Drives Jump Drive for Data Storage Multiple Color
Capacity
8 GB
Price
$18.89
$/GB
$2.361
8GB USB Flash Drive Halasal 4pack USB Drive Jump Drive USB Storage Flash Drives Pen Drive Thumb Drives in buik (4 Mixed Colors)
Capacity
8GB
Price
$18.99
$/GB
$2.374
Sandisk 16GB USB3.0 SDCZ73-016G-Z46 Flash Drive Read Speed 130MB/S - Pack of 2
Capacity
16GB
Price
$38.95
$/GB
$2.434
DataLocker Sentry 5 128GB USB 3.2 Gen 1 Type A Flash Drive S5128FEM
Capacity
128GB
Price
$313.02
$/GB
$2.445
PNY 16GB Attaché 3 USB 2.0 Flash Drive 10-Pack | Durable, Lightweight, Sliding Collar Design, Key Loop for Easy Carry, Essential Mobile Storage for Work & School, Black
Capacity
16 GB
Price
$39.99
$/GB
$2.499
Kanguru Defender Elite 128GB Flash Drive
Capacity
128GB
Price
$319.94
$/GB
$2.500
Verbatim Store 'n' Go Usb Flash Drive 99123 16gb 4/pk Blue Green Red Black
Capacity
16GB
Price
$40.99
$/GB
$2.562
iStorage datAshur Personal2 64GB Hardware Encrypted USB 3.0 Flash Drive AES-XTS 256-bit (IS-FL-DAP3-B-64)
Capacity
64GB
Price
$164.99
$/GB
$2.578
8GB USB Flash Drive 5pack USB 2.0 USB Drive Jump Drive USB Storage Flash Drives Pen Drive Thumb Drives in buik (5 Mixed Colors: Black Blue Green
Capacity
8GB
Price
$20.79
$/GB
$2.599
SamData 8GB USB Flash Drives 5 Pack 8GB Thumb Drives Memory Stick Jump Drive with LED Light for Storage and Backup (5 Colors: Black Blue Green Red Silver)
Capacity
8 GB
Price
$21.99
$/GB
$2.749
8x SanDisk Cruzer Blade USB Flash Drive - 32GB (Red)
Capacity
32GB
Price
$87.99
$/GB
$2.750
Lot of 5 SanDisk 32GB Cruzer Blade USB Thumb Pen Flash Drive Memory Stick SDCZ50
Capacity
32GB
Price
$89.50
$/GB
$2.797
Kanguru Defender Elite 64GB Flash Drive
Capacity
64GB
Price
$179.05
$/GB
$2.798
Kanguru KDFE30-64G Defender Elite30, Hardware Encrypted, Secure, SuperSpeed USB 3.0 Flash Drive, 64GB
Capacity
64GB
Price
$179.05
$/GB
$2.798
iStorage datAshur PRO 64GB Secure flash drive - FIPS 140-2 Level 3 Certified - Password protected, dust and water resistant, portable, military
Capacity
64GB
Price
$179.95
$/GB
$2.812
IronKey D500S 64GB USB 3.2 Gen 1 Type A Flash Drive IKD500S64GB
Capacity
64GB
Price
$191.99
$/GB
$3.000
CENTON DataStick Pro 32GB USB 2.0 Flash Drive
Capacity
32GB
Price
$96.47
$/GB
$3.015
Kingston IronKey Keypad 200 64GB USB 3.2 Gen 1 Type A Flash Drive IKKP200/64GB
Capacity
64GB
Price
$198.79
$/GB
$3.106
iStorage datAshur Personal2 32GB Hardware Encrypted USB 3.0 Flash Drive AES-XTS 256-bit (IS-FL-DAP3-B-32)
Capacity
32GB
Price
$99.95
$/GB
$3.123
10 Pack 32GB Wooden Heart USB Memory Stick with Keyring and Wooden Boxes Gift USB Flash Drive for Wedding Photography Celebration
Capacity
32GB
Price
$99.99
$/GB
$3.125
64GB D300SM AES 256 XTS ENCRYPTED USB DRIVE
Capacity
64GB
Price
$205.14
$/GB
$3.205
Aiibe 16GB USB 3.0 Flash Drive 10 Pack USB 16GB Flash Drive USB 3.0 Thumb Drives Blank Zip Drives Flash Drives 16 GB Bulk (10 Mixed Colors: Black Blue Red Green Orange White Yellow Pink Purple Silver)
Capacity
16 GB
Price
$52.19
$/GB
$3.262
verbatim 32gb pinstripe usb 3.0 flash drive retractable thumb drive - 5 pack - multicolor (green, blue, red, purple, cyan)
Capacity
32GB
Price
$105.70
$/GB
$3.303
iStorage datAshur PRO2 64GB - Secure hardware encrypted, PIN authenticated, USB flash drive - USB 3.2 (Gen1) FIPS 140-2 level 3. IS-FL-DP2-256-64
Capacity
64GB
Price
$214.95
$/GB
$3.359
Apricorn Aegis Secure Key 60GB FIPS 140-2 Level 3 Validated USB 3.0 Flash Drive with PIN Access 256bit AES Encryption
Capacity
60GB
Price
$209.00
$/GB
$3.483
DataLocker Sentry 5 64GB USB 3.2 (Gen 1) Type A Flash Drive - 64 GB - USB 3.2 (Gen 1) Type A - 260 MB/s Read Speed - 190 MB/s Write Speed - 256-bit
Capacity
64GB
Price
$235.12
$/GB
$3.674
8GB Flash Drive 10 Pack Bulk USB Flash Drives, USB2.0 Thumb Drive USB Stick for Data Storage Backup, Jump Drive Pen Drive Zip Drive Memory Stick with Indicator, USB Storage Flash Drive Swivel Design
Capacity
8 GB
Price
$30.88
$/GB
$3.860
Transcend 32GB JetFlash 750 USB 3.0 Flash Drive
Capacity
32GB
Price
$124.41
$/GB
$3.888
Super Talent Express ST1 Series NST1 8GB USB 3.0 USB flash drive ST3U8NSTW
Capacity
8GB
Price
$31.26
$/GB
$3.908
DataLocker DL GO 16GB Usb 3.2 gen 1 type a + Usb 3.0 + Usb 3.1 Flash Drive DLGO016
Capacity
16GB
Price
$63.46
$/GB
$3.966
Kanguru Defender Elite 32GB Flash Drive
Capacity
32GB
Price
$129.18
$/GB
$4.037
5X Sandisk Ultra Luxe 32Gb Usb 3.1 Sdcz74 150Mb/S Flash Pen Drive Sdcz74
Capacity
32GB
Price
$129.95
$/GB
$4.061
Verbatim 8GB Store 'n' Go USB Flash Drive - 3pk - Red, Green, Blue - TAA Compliant - 8 GB - Red, Blue, Green - 3 Pack
Capacity
8GB
Price
$32.73
$/GB
$4.091
6X USB 2.0 l USB Pen Drive Pure Copper Heart USB Flash Drive Key (Copper, 8GB)
Capacity
8GB
Price
$34.15
$/GB
$4.269
KANGURU KDF3000-32G 32GB DEFENDER 3000 FLASH DRIVE
Capacity
32GB
Price
$137.28
$/GB
$4.290
Sandisk Cruzer Glide 16GB USB 3.0 Thumb Memory Stick Lot 4 Flash Drive Wholesale
Capacity
16GB
Price
$69.99
$/GB
$4.374
SanDisk 32GB Ultra USB 3.0 130MB/s Flash Drive SDCZ48-032G (10 Pack) Bundle | with (1) GoRAM Black Lanyard
Capacity
32 GB
Price
$149.85
$/GB
$4.683
IronKey D500S 32GB USB 3.2 Gen 1 Type A Flash Drive IKD500S32GB
Capacity
32GB
Price
$153.99
$/GB
$4.812
Verbatim 8GB USB Flash Drive (Blue, 5-Pack)
Capacity
8GB
Price
$39.87
$/GB
$4.984
5 x SanDisk 16GB Cruzer Blade USB Thumb Pen Flash Drive Memory Stick SDCZ50
Capacity
16GB
Price
$79.99
$/GB
$4.999
Kingston Ironkey Keypad 200 32GB Encrypted USB
Capacity
32GB
Price
$163.61
$/GB
$5.113
IronKey Vault Privacy 50 Series 16GB USB 3.2 Gen 1 Type A Flash Drive IKVP5016GB
Capacity
16GB
Price
$83.22
$/GB
$5.201
Sandisk Cruzer Ultra 16Gb Usb 3.0 Flash Drive Sdcz48-016G-U46 Up To 100Mb/S (Pack Of 5)
Capacity
16GB
Price
$89.95
$/GB
$5.622
5 x SanDisk 16GB Cruzer Glide USB 3.0 Flash Pen Drive SDCZ60 SDCZ600-016G-B35
Capacity
16GB
Price
$89.99
$/GB
$5.624
10 PCS USB Memory Stick 16GB Wooden Heart Shaped USB Flash Drive with Keychain (Walnut)
Capacity
16GB
Price
$89.99
$/GB
$5.624
Lot 10 x SanDisk 32GB Cruzer Blade USB Thumb Pen Flash Drive Memory Stick SDCZ50
Capacity
32GB
Price
$189.00
$/GB
$5.906
5 Pack SanDisk 16GB CZ48 Cruzer Ultra 16G USB 3.0 100MB/s SDCZ48-016G + Lanyard
Capacity
16GB
Price
$94.95
$/GB
$5.934
Apricorn 30GB Aegis Secure Key 3.0 - USB 3.0 Flash Drive - 195 MB/s Read Speed - 162 MB/s Write Speed - 256-bit AES - TAA Compliant (ASK3-30GB)
Capacity
30GB
Price
$182.81
$/GB
$6.094
DataLocker Sentry 5 32GB USB 3.2 Gen 1 Type A Flash Drive S5032FEM
Capacity
32GB
Price
$199.70
$/GB
$6.241
10 PCS USB 3.0 Memory Stick 16GB Wooden Heart USB 3.0 Flash Drive with Keychain for Wedding
Capacity
16GB
Price
$103.99
$/GB
$6.499
10 Pack 4GB USB Flash Drives, Swivel Thumb Drives with LED Indicator, USB 2.0 Memory Stick Jump Drive Pendrive for Home Office Data Storage & Backup, Computer Flashdrive Zip Drive, with 10 Lanyards
Capacity
4 GB
Price
$27.88
$/GB
$6.970
High Speed USB 3.0 Flash Drive Memory Stick 16GB Heart Shaped Data Storage Pendrive Thumb Disk with Wooden Box (Pack of 10)
Capacity
16GB
Price
$119.99
$/GB
$7.499
10PCS Maple USB 3.0 Flash Drives 16GB Gift Set Wooden Heart USB Sticks Gifts With Box For Friend Kids Lover Wedding
Capacity
16GB
Price
$119.99
$/GB
$7.499
Kingston Ironkey Keypad 200 16GB Encrypted USB
Capacity
16GB
Price
$120.99
$/GB
$7.562
10X Sandisk Ultra Luxe 32Gb Usb 3.1 Sdcz74 150Mb/S Flash Pen Drive Sdcz74
Capacity
32GB
Price
$249.00
$/GB
$7.781
IronKey D500S 16GB USB 3.2 Gen 1 Type A Flash Drive IKD500S16GB
Capacity
16GB
Price
$130.99
$/GB
$8.187
KEXIN 20 Pack 8GB Flash Drive 8G Bulk USB Thumb Drive USB Stick Jump Drive USB 2.0 Flash Drive with Led Indicator, Black
Capacity
8 GB
Price
$66.49
$/GB
$8.311
Kanguru Defender Elite300 16GB FIPS 140-2 Certified, SuperSpeed USB 3.0 Flash Drive 256bit AES Encryption
Capacity
16GB
Price
$154.02
$/GB
$9.626
DataLocker Sentry 5 16GB USB 3.2 (Gen 1) Type A Flash Drive - 16 GB - USB 3.2 (Gen 1) Type A - 260 MB/s Read Speed - 190 MB/s Write Speed - 256-bit
Capacity
16GB
Price
$156.83
$/GB
$9.802
Apricorn 16GB Aegis Secure Key 3z USB 3.1 Flash Drive - 16 GB - USB 3.1 - 77 MB/s Read Speed - 72 MB/s Write Speed - 256-bit AES - TAA Compliant
Capacity
16GB
Price
$159.00
$/GB
$9.938
Lot 10 x SanDisk 16GB Cruzer Blade USB Thumb Pen Flash Drive Memory Stick SDCZ50
Capacity
16GB
Price
$159.00
$/GB
$9.938
Apricorn 16GB Aegis Secure Key USB 3.0 Flash Drive - 16 GB - USB 3.0 - 195 MB/s Read Speed - 162 MB/s Write Speed - 256-bit AES ASK3-16GB
Capacity
16GB
Price
$169.00
$/GB
$10.563
10 x SanDisk 16GB Cruzer Glide USB 3.0 Flash Pen Drive SDCZ60 SDCZ600-016G-B35
Capacity
16GB
Price
$169.95
$/GB
$10.622
EASTBULL 20Packs of 4GB USB2.0 Bulk Flash Drive FAT32 USB Drive Pack (Blue) | Swivel 4GB USB Thumb Drives Bulk Jump Drives Pack with 20 Lanyards for Data Storage
Capacity
4 GB
Price
$56.88
$/GB
$14.220
16GB IRONKEY BASIC S1000
Capacity
16GB
Price
$250.00
$/GB
$15.625
DataLocker Sentry 5 8GB USB 3.2 (Gen 1) Type A Flash Drive - 8 GB - USB 3.2 (Gen 1) Type A - 260 MB/s Read Speed - 190 MB/s Write Speed - 256-bit
Capacity
8GB
Price
$156.83
$/GB
$19.604
1GB USB Flash Drive 10 Pack, USB2.0 Thumb Drives Memory Stick Jump Drive with Light, Swivel USB Drive Zip Drive Bulk Flashdrive Pen Drive for Backup and Transfer, USB Storage Flash Drive Photo Stick
Capacity
1 GB
Price
$24.88
$/GB
$24.880
Lot 50 x SanDisk 16GB Cruzer Blade 16G USB 2.0 Flash Drive SDCZ50-016G Retail
Capacity
16GB
Price
$849.00
$/GB
$53.063
Find the Cheapest USB Drives Per GB in 2026
Looking for the best USB drive deals? BuyPerUnit compares 909+ 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 $0.061/GB, while the average on this page is $6.003/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?
| Type | Typical $/GB | Speed | Best For |
|---|---|---|---|
| USB-A 3.0 | $0.08-0.15 | 100-150 MB/s | Universal compatibility, budget builds |
| USB-C 3.1 | $0.10-0.20 | 150-400 MB/s | New laptops, MacBooks, phones |
| Dual (A+C) | $0.12-0.25 | 100-300 MB/s | Maximum flexibility across devices |
Frequently Asked Questions About USB Drives
What's the cheapest USB drive per GB right now?
Is USB 3.0 worth it over USB 2.0?
How long do USB drives last?
What size USB drive should I buy?
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.
Shop USB Flash Drives by Brand
Shop USB Flash Drives by Capacity
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