Hard Drives (HDD)
Ranked by price per gigabyte
Updated daily · No paid placements
| Rank | Type | Trend | |||||||
|---|---|---|---|---|---|---|---|---|---|
101 | Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, Black | HDD | 1 TB | — | $194.92 | $0.195 | |||
102 | SANDISK 2TB Extreme Portable SSD (New Model) - up to 2000MB/s Transfer speeds - USB Type-C connectivity, Reliable Durability - Black - SDSSDE70-2T00-G25 | HDD | 2 TB | — | $399.00 | $0.200 | |||
103 | HWAYO 120GB Portable External Hard Drive, USB3.1 Gen 1 Type C Ultra Slim 2.5'' HDD Storage Compatible for PC, Desktop, Laptop, Mac, Xbox One (Black) | HDD | 120 GB | — | $23.99 | $0.200 | |||
104 | Super Talent PS302 512GB Portable External SSD, USB 3.2 Gen 2, Up to 1050MB/s, 2-in-1 Type C & Type A, Plug & Play, Compatible with Android, Mac, Windows, Supports 4K, Drop-Proof, FUS512302, Gray | HDD | 512 GB | — | $109.99 | $0.215 | |||
105 | Samsung T7 Shield 4TB Portable SSD - 1050MB/s, Rugged, Water & Dust Resistant, for Content Creators - Black | HDD | 4 TB | — | $999.99 | $0.250 | |||
106 | SANDISK - Creator 256GB microSD Card UHS-I with Adapter | microSD | 256 GB | 190 / 130MB/s | 5.0(4) | $79.99 | $0.312 |
Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, Black
SANDISK 2TB Extreme Portable SSD (New Model) - up to 2000MB/s Transfer speeds - USB Type-C connectivity, Reliable Durability - Black - SDSSDE70-2T00-G25
HWAYO 120GB Portable External Hard Drive, USB3.1 Gen 1 Type C Ultra Slim 2.5'' HDD Storage Compatible for PC, Desktop, Laptop, Mac, Xbox One (Black)
Super Talent PS302 512GB Portable External SSD, USB 3.2 Gen 2, Up to 1050MB/s, 2-in-1 Type C & Type A, Plug & Play, Compatible with Android, Mac, Windows, Supports 4K, Drop-Proof, FUS512302, Gray
Samsung T7 Shield 4TB Portable SSD - 1050MB/s, Rugged, Water & Dust Resistant, for Content Creators - Black
SANDISK - Creator 256GB microSD Card UHS-I with Adapter
Apricorn Aegis Padlock 3.0 1TB USB 3.0 External Hard Drive, Black
Capacity
1 TB
Price
$194.92
$/GB
$0.195
SANDISK 2TB Extreme Portable SSD (New Model) - up to 2000MB/s Transfer speeds - USB Type-C connectivity, Reliable Durability - Black - SDSSDE70-2T00-G25
Capacity
2 TB
Price
$399.00
$/GB
$0.200
HWAYO 120GB Portable External Hard Drive, USB3.1 Gen 1 Type C Ultra Slim 2.5'' HDD Storage Compatible for PC, Desktop, Laptop, Mac, Xbox One (Black)
Capacity
120 GB
Price
$23.99
$/GB
$0.200
Super Talent PS302 512GB Portable External SSD, USB 3.2 Gen 2, Up to 1050MB/s, 2-in-1 Type C & Type A, Plug & Play, Compatible with Android, Mac, Windows, Supports 4K, Drop-Proof, FUS512302, Gray
Capacity
512 GB
Price
$109.99
$/GB
$0.215
Samsung T7 Shield 4TB Portable SSD - 1050MB/s, Rugged, Water & Dust Resistant, for Content Creators - Black
Capacity
4 TB
Price
$999.99
$/GB
$0.250
SANDISK - Creator 256GB microSD Card UHS-I with Adapter
Capacity
256 GB
Price
$79.99
$/GB
$0.312
Buy Cheap Hard Drives: Find the Best HDD Deals in 2026
Looking to buy cheap hard drives? You're in the right place. BuyPerUnit compares 265+ HDDs ranked by price per gigabyte — the only metric that truly shows you which drives offer the best value for your money.
Right now, the cheapest HDD storage starts at just $0.000/GB, while the average across all drives is $0.229/GB. Whether you need bulk storage for backups, a NAS, or a media server, we help you find the best deal. For faster storage, compare SSDs here.
HDD Buying Guide: Get the Best Value
1. Compare Price Per GB
A $150 4TB drive ($0.037/GB) beats a $70 1TB drive ($0.07/GB) in value. Always divide price by capacity to find the real cost — that's what we do for every listing.
2. Bigger = Cheaper Per GB
Storage follows economies of scale. 4TB+ drives almost always have the lowest price per gigabyte. Buy more capacity upfront to save long-term.
3. Match RPM to Your Use Case
7200 RPM drives are faster and better for desktop use or active NAS workloads. 5400 RPM drives run cooler and quieter — ideal for bulk archival or always-on backup drives where speed is less critical.
4. Watch for Sales
Hard drive prices fluctuate. We update prices daily so you can catch the best deals. Bookmark this page and check back regularly.
3.5" Desktop vs 2.5" Laptop HDD: Which Should You Buy?
| Type | Typical $/GB | Max Capacity | Best For |
|---|---|---|---|
| 3.5" Desktop HDD | $0.015–0.025 | 20TB+ | Desktop PC, NAS, media server |
| 2.5" Laptop HDD | $0.025–0.045 | 5TB | Laptop upgrade, portable use |
| External HDD | $0.020–0.040 | 20TB+ | Backup, portable storage, archiving |
Frequently Asked Questions About Buying Hard Drives
What is the cheapest hard drive per GB right now?
Is it better to buy one large hard drive or multiple smaller ones?
Should I buy 5400 RPM or 7200 RPM?
When is the best time to buy cheap hard drives?
What brands make the most reliable hard drives?
How We Find the Cheapest Hard Drives
BuyPerUnit calculates the price per gigabyte for every hard drive by dividing the current price by the storage capacity. This gives you the true cost of storage, making it easy to compare drives of different sizes.
Products are ranked from best value (lowest $/GB) to worst. We update prices regularly from Amazon, Best Buy, and Newegg 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.