Memory Is Rewriting BOMs: DRAM Contract Prices Rise Again for Q4 2026

If your bill of materials carries DRAM, eMMC, or a module with embedded flash, that line has moved again. TrendForce expects conventional DRAM contract prices to rise a further 10 to 15% quarter on quarter in the fourth quarter of 2026, with NAND Flash contract prices up 15 to 20%. That comes after a first quarter in which general-purpose DRAM contract prices rose 93 to 98%, followed by another 58 to 63% in the second. Taiwan-based memory makers have been notifying customers of further increases, in some cases up to 20%.

Spot data tells the same story from a different angle. The mainstream DDR4 chip spot price has moved from roughly $12 in November 2025 to $46.32 on 6 October 2026. Rebased so that November 2025 reads 100, a widely followed RAM price index now sits near 380. At retail in Shenzhen, traders in Huaqiangbei reported in the first week of October that a 16GB DDR4 module that sold for a little over CNY 100 last year now starts around CNY 600, while 16GB DDR5 has gone from roughly CNY 200 to more than CNY 1,400. One useful caveat sits inside those retail numbers: DDR5 module prices rose more than 200% in three months while the underlying die cost rose about 30%, so part of the retail move is channel and brand pricing layered on top of a real supply problem.

Why it keeps going

This is not an inventory cycle. It is capacity being reassigned. Samsung has quoted next-generation HBM4 at $4 to $5 per gigabit, roughly three times HBM3E at $1.50 to $1.60, and TrendForce expects the HBM market to grow 58% in 2026 to about $54.6bn — close to 40% of the entire DRAM market — with the capacity gap holding at 50 to 60% and 2027 HBM blended prices up around 121% year on year.

The mechanism matters more than the headline. HBM consumes roughly three times the wafer area per bit of conventional DRAM, so every point of capacity that shifts to it takes several points out of mainstream supply. Samsung has put the relationship plainly: each percentage point that HBM gains in DRAM wafer capacity compresses consumer DRAM supply by around three points. HBM is on track to move from about 20% of DRAM wafer capacity in 2026 to near 30% in 2027. Meanwhile 2027 capacity is already largely spoken for, with cloud buyers on three to five year agreements and prepayments of 10 to 40%, and 2026 supply growing around 16% against demand growth near 45%. Enterprise SSD bit demand is expected to grow more than 80% this year on top of that.

One consequence is easy to miss and worth stating: in many phones, memory is now the most expensive single component, ahead of the applications processor.

What a buyer should do now

• Treat memory quote validity as short. If a quote was issued more than a few weeks ago, assume it is indicative rather than firm. Ask suppliers what window they can hold in writing, and build your own pricing review into the schedule rather than discovering the move at PO stage.
• Price the die, not only the module. Retail module numbers and contract die prices have diverged. Knowing which of the two you are actually buying tells you whether a price move is market-wide or channel behaviour.
• Check what your module is hiding. Any part with embedded flash or PSRAM — communications modules, display drivers with integrated RAM, small compute modules — is exposed to the same market, even though the supplier may not describe it that way. Confirm pricing validity on these lines, not just on discrete memory.
• Be careful with legacy low-density parts. The small legacy DDR4 chip that dominates the spot data is in an end-of-life squeeze and is the least representative price in the market. A part chosen for convenience can end up costing more than an equivalent modern density, and can be the first to disappear.
• Keep a lower-density SKU qualified. If your product can run a smaller density or a smaller module variant, having that variant already validated gives you a lever when allocation is the constraint rather than price.
• Do not double-order. In an allocation market, inflated orders lengthen everyone's lead time and eventually get cut anyway. Give your supplier a firm three to six month rolling forecast instead — that is the currency that keeps small buyers served.

Where we stand

We buy components in the same market, so our electronic component quotes move with it rather than against it — and we show the tiers rather than a single headline number. When a line moves we say which line moved. For buyers assembling boards, memory placement and module choice are decisions best made at DFM stage rather than at purchase stage, so tell us the density you actually need and whether it is negotiable; see our PCB and PCBA services for how we handle the BOM review. The wider pricing picture across power devices, MCUs, passives and laminate is in our October price rounds note.

Note: figures above are as published by TrendForce, company statements and trade press in the first half of October 2026. Contract and spot markets differ — check the specific part numbers you buy before you re-plan a build.