Compare Storage Prices by Cost Per Gigabyte

BuyPerUnit tracks 4,880+ storage products across Amazon, Best Buy, and Newegg — ranked by price per gigabyte, updated twice daily. Compare SSDs, hard drives, SD cards, USB flash drives, and RAM to find the best value.

Storage Prices by Category

CategoryBest $/GBAvg $/GBProductsUpdated
SSDs & NVMe Drives

NVMe and SATA SSDs ranked by $/GB — fastest storage

$0.0220$0.11821,287View all →
Hard Drives (HDD)

Mechanical HDDs ranked by $/GB — best value for bulk storage

$0.0249$0.0376966View all →
SD & microSD Cards

Full-size SD and microSD cards ranked by $/GB

$0.0460$0.2000741View all →
USB Flash Drives

USB-A and USB-C flash drives ranked by $/GB

$0.0937$0.1456876View all →
Computer RAM

DDR5, DDR4, desktop and laptop memory ranked by $/GB

$2.2809$6.04721,010View all →

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Storage Buying Guides

Frequently Asked Questions

What is the cheapest storage per GB in 2026?▾
BuyPerUnit tracks 4,880+ storage products across Amazon, Best Buy, and Newegg. The cheapest storage per GB changes daily — check the live rankings for today's best price.
SSD vs HDD: which is cheaper per GB?▾
Hard drives (HDDs) are still cheaper per gigabyte than SSDs, especially at high capacities (8TB+). However, SSDs offer 5-7x faster speeds. For bulk storage, HDDs win on $/GB. For everyday use, SSDs are worth the premium.
How does BuyPerUnit calculate price per GB?▾
BuyPerUnit divides the retail price by the storage capacity in gigabytes. A $120 drive with 2TB (2,000 GB) of capacity costs $0.06/GB. Products are ranked from lowest to highest $/GB so the best value always appears first.