RAM Price History: DDR5 and DDR4 Price per GB
DDR5 RAM costs $15.58 per GB on amazon.com today, up 15.1% in 90 days. DDR4 costs $5.98 per GB, up 5.9% over the same period. Each line in the chart is the median price per GB of the 10 cheapest new kits on that day (as of Oct 28, 2026 at 1:17 AM UTC).
How have RAM prices changed in the last 90 days?
90 days ago the DDR5 index stood at $13.30 per GB, today it is at $15.58. Its 90-day low was $13.22, its high $15.58. DDR4 moved between $5.78 and $5.98 per GB.
RAM price index on amazon.com, as of Oct 28, 2026 at 1:17 AM UTC
| Index | Per GB | 7 days | 30 days | 90 days | 90-day low |
|---|---|---|---|---|---|
| DDR5 | $15.58 | +0.9% | +3.2% | +15.1% | $13.22 |
| DDR4 | $5.98 | +0.5% | +3.0% | +5.9% | $5.78 |
The percentages compare the same kits on both days, so they can differ slightly from the start and end points of the line. Used and refurbished kits are never part of the index.
Which DDR5 kit size is cheapest per GB?
Right now the lowest price per GB for a new DDR5 kit is in the 64 GB size at $13.27 per GB. Capacity always means the whole kit, so a 2 × 16 GB kit counts as 32 GB. The index column is the median of up to 10 cheapest new kits per size, which is what the chart shows under "By kit size".
New DDR5 kits by size, price per GB, as of Oct 28, 2026 at 1:17 AM UTC
How is the RAM price index calculated?
ratioDB takes the 10 cheapest new DDR5 or DDR4 offers on amazon.com every day and uses their median price per GB as the index value. Price per GB is the price divided by total capacity, with 1 GB equal to 10^9 bytes. Prices do not include shipping. The full method is on the methodology page.
RAM price history FAQ
Are RAM prices going down?
Not at the moment: DDR5 is at +3.2% per GB over 30 days and +15.1% over 90 days. This page shows measured prices, no forecast. What memory makers expect is covered in Why are RAM prices so high?.
Why are RAM prices so high?
The main cause, manufacturers shifting production to AI servers and HBM, is explained with sources in the guide Why are RAM prices so high?. This page tracks what that means for kit prices on amazon.com day by day.
How often is the chart updated?
ratioDB checks amazon.com prices about every 2 hours. The chart shows 1 value per day, the table always uses the latest prices.
Can I download the data?
Yes. "Download data (CSV)" gives you the daily index values shown in the chart, without single offer prices. You may use them with a link to ratioDB as the source.
Where can I find the cheapest RAM right now?
The RAM price list shows all DDR5 and DDR4 offers on amazon.com sorted by price per GB, with condition and a price timestamp on every row.