Why are RAM prices so high?
Short answer: AI accelerators are eating the wafers that used to become your DIMMs.
Quick answer: as of 2026-10-12, HBM3E 36GB 12-Hi Stack is $2,094.00 USD / stack, -0.74% over 30 days and +14.00% year over year. Across the 6 contracts tracked on this page the basket is +6.58% over 30 days and +454.83% year over year.
HBM stacks sold into AI accelerators consume far more wafer area per shipped bit than commodity DDR5, so capacity converted to HBM subtracts several times more mainstream bits than it adds HBM bits. At the same time suppliers are ending legacy DDR4 nodes, removing supply from a market that still has demand. The result is shrinking effective bit supply against rising demand — and the live table below shows exactly how much of that has already reached die, module and retail kit prices.
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Rebased to 100 at series start — compare moves across incompatible units.
Products — HBM3E-36G, DDR5-16G, DDR4-8G, RTL-32G4/6 selected ▾
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Tracked contracts
6 contracts · basket 30d +6.58% · basket YoY +454.83%
| Contract | Spot | Daily H / L | Session H / L | 30d | YoY | Chart | Source |
|---|---|---|---|---|---|---|---|
HBM3E-36G HBM3E 36GB 12-Hi Stack Reported scarce-lot spot price, roughly 4–5x long-term-agreement levels. No like-for-like 30-day spot comparison is available. USD / stack | $2,094.00 | $2,120.00 $2,071.75 | $2,120.00 $2,044.80 | -0.74% | +14.00% | Chart ↗ | TrendForce citing Seoul Economic Daily spot-market reporting reported · 2026-09-01 |
DDR5-16G DDR5 16Gb (2Gx8) 4800/5600 24 Sep session average. Demand remains selective even as the published average holds near its cycle high. USD / die | $58.12 | $59.51 $56.15 | $59.51 $51.69 | +5.06% | +480.00% | Chart ↗ | DRAMeXchange / TrendForce spot board reported · 2026-09-24 |
DDR4-8G DDR4 8Gb (1Gx8) 3200 24 Sep spot average. Legacy-node supply remains tight, though weekly gains have slowed from the summer surge. USD / die | $46.23 | $47.64 $43.71 | $47.64 $40.35 | +7.71% | +860.00% | Chart ↗ | DRAMeXchange / TrendForce spot board reported · 2026-09-24 |
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Daily H/L is the current quote day's range; session H/L is the trailing 30-day quoting window. Last updated .
Get the Why RAM prices are so high moves every Monday — week-over-week and year-over-year on the contracts above, plus the three headlines that moved a price.
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Latest supply-chain news
All chip news ↗- DRAMMarket data
24 Sep spot board: DDR5 16Gb reaches $57.667 while DDR4 16Gb slips to $83.784
DDR5 16Gb 4800/5600 averaged $57.667 (+0.29% session) and eTT reached $25.500 (+0.79%). DDR4 diverged: 8Gb 3200 averaged $46.107 (+0.47%), while 16Gb 3200 fell 0.70% to $83.784. These are session changes on the published board, not 30-day returns.
DRAMeXchange / TrendForce spot board ↗ - DRAMMarket data
17 Sep spot board: DDR5 averages $55.23; DDR4 16Gb retreats 1.85%
DDR5 16Gb 4800/5600 averaged $55.233 (+0.73%) and DDR5 eTT averaged $24.50 (+0.82%). DDR4 split: 8Gb 3200 rose 0.78% to $46.143 while 16Gb 3200 fell 1.85% to $86.00. The board remains historically expensive, but the first visible corrections are appearing in select legacy parts.
DRAMeXchange / TrendForce spot board ↗ - NANDDownside risk
512Gb TLC NAND slips to $20.083 as consumer buying stays weak
The 512Gb TLC wafer spot reference fell another 0.31% to $20.083 on 14 September after a 2.71% weekly decline to $20.146. Consumer purchasing remains cautious even while enterprise SSD demand keeps contract pricing elevated.
TrendForce ↗ - DRAMMarket data
Spot board, 1 Sep: DDR5 16Gb $54.08, DDR4 16Gb $92.02, DDR4 8Gb $44.54 — all up under half a percent
The 1 September session closed with DDR5 16Gb 4800/5600 at a $54.083 average (+0.31%), DDR4 16Gb 3200 at $92.024 (+0.27%) and DDR4 8Gb 3200 at $44.544 (+0.40%). Every line is still green, but the daily session moves are now fractions of a percent rather than the multi-point jumps of June and July. The spread is the story: DDR4 16Gb printed a $117.00 high against a $42.20 low in the same session.
DRAMeXchange / TrendForce spot board ↗
Keep digging
- Full memory chip price tracker
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- DDR5 price tracker
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- HBM price tracker
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- HBM4 price per stack
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- LPDDR5X & mobile DRAM prices
- NAND flash prices
- SSD prices & $/TB
- MemoryIndex composite price index
- Why are RAM prices so high?
- When will RAM prices go down?
- HBM vs DRAM price comparison
- DRAM vs NAND prices
- HBM3 vs HBM3E vs HBM4
- Samsung vs SK hynix vs Micron
- Memory manufacturer leaderboard
- AI company leaderboard
- Methodology & data sources
FAQ
- Why are RAM prices so high right now?
- One structural cause: HBM. High Bandwidth Memory for AI accelerators consumes roughly three times the wafer area per shipped bit versus commodity DDR5, so every wafer a DRAM maker converts to HBM removes several times more mainstream bits from the market. Effective industry bit supply is shrinking even as wafer starts grow, and mainstream DDR5, DDR4 and retail kit prices absorb the difference.
- Why is DDR4 more expensive than it was?
- Suppliers are retiring legacy DDR4 nodes to free capacity for DDR5 and HBM, while networking, industrial, automotive and older server platforms still need DDR4. Shrinking supply against steady demand is why DDR4 has moved hardest on a percentage basis.
- Is this a shortage or price gouging?
- It is an allocation problem, not a margin decision. DRAM makers sell HBM on multi-quarter allocation contracts to accelerator vendors at far higher revenue per wafer than commodity DRAM, so the rational move is to shift capacity. Consumers are bidding for the residual against hyperscaler purchase orders.
- Can new fabs fix this?
- Eventually, not quickly. A greenfield DRAM fab takes roughly seven to nine quarters from tool-in to meaningful bit output, and much of the capacity being built is already earmarked for HBM rather than commodity DRAM.
- Which memory has gone up the most?
- Compare the year-over-year column in the table above across DDR4 dies, DDR5 dies, RDIMMs and retail kits. The ranking changes as the cycle moves, which is why the live table is more useful than any static article.