Server RAM prices: what a DDR5 RDIMM costs in 2026
Server memory is where the shortage started and where the money is. It is also the channel with two prices: the street price of a new registered ECC module, and the contract price a cloud provider pays, which is capped for some buyers and not for others. This page tracks both, and the gap between them explains why enterprise budgets broke before consumer ones did.
How much does server RAM cost per GB in 2026?
A new DDR5 ECC RDIMM costs about $29.37 to $41.15 per gigabyte at retail as of October 7, 2026, against a tracked median of $43.73. That is roughly 2.5x the $17.50 per GB a consumer DDR5 kit averages. In module terms, a 64GB RDIMM runs about $2,245 and a 128GB module about $5,000. On the contract side TrendForce expects conventional DRAM contract prices, which cover server DRAM, to rise 10 to 15% quarter-over-quarter in 4Q26, but several US cloud providers hold multi-year agreements that bar suppliers from raising their prices, so that increase lands disproportionately on buyers without one.
The channel gap: same gigabyte, two prices
At the capacities both channels sell, a gigabyte of registered ECC memory costs more than twice what the same gigabyte costs in a consumer kit. Part of that is real extra silicon, since a registered module carries a buffer and ECC dies. The rest is who is bidding: the consumer channel is picking through what a shortage leaves behind, while the server channel is the reason the shortage exists.
| Item | Consumer kit | Server RDIMM |
|---|---|---|
| 16GB | $18.50 | $39.94 |
| 32GB | $18.44 | $40.62 |
| 64GB | $20.30 | $35.08 |
Why buyers are downshifting module density
Per gigabyte, this channel is close to flat: five of the six tracked capacities sit between $29.37 and $40.62, with no clean density curve in either direction. The exception is the 128GB module at $39.06 per GB, and that single outlier prices a behaviour TrendForce observed independently. In its words: CSPs and OEMs have gradually adjusted their RDIMM configurations, with some systems shifting from 96GB and 128GB modules to 32GB and 64GB modules. By 4Q26 suppliers had followed: TrendForce reports they have increased the share of lower-capacity RDIMMs in their product mix to match that demand. The arithmetic is blunt: reaching 128GB with two 64GB modules costs about $4,490 against $5,000 for one 128GB module, so the downshift saves roughly $510, about 10%, and costs a DIMM slot.
| Item | Module capacity (GB) | US dollars per GB |
|---|---|---|
| 16GB | 16GB | $40 |
| 32GB | 32GB | $41 |
| 64GB | 64GB | $35 |
| 96GB | 96GB | $41 |
| 128GB | 128GB | $39 |
| 256GB | 256GB | $29 |
Module prices by capacity
Two different things sit in this block and they must not be blended. The module rows are new, in-stock registered ECC DDR5 RDIMM listings, read off a single-retailer live tracker (Amazon US), so they are retail street prices for server parts and not the contract prices a hyperscaler pays. The quarterly percentages are TrendForce contract-market forecasts, which are published as quarter-over-quarter changes rather than as free absolute levels. Used server memory is a separate and much cheaper channel that this block deliberately excludes.
| Module | Price | Per GB |
|---|---|---|
| 16GB DDR5 ECC RDIMM | $639 | $39.94 |
| 32GB DDR5 ECC RDIMM | $1,300 | $40.62 |
| 64GB DDR5 ECC RDIMM | $2,245 | $35.08 |
| 96GB DDR5 ECC RDIMM | $3,950 | $41.15 |
| 128GB DDR5 ECC RDIMM | $5,000 | $39.06 |
| 256GB DDR5 ECC RDIMM | $7,520 | $29.37 |
The contract market, and who is shielded from it
Everything above is a street price for a new module. The prices that actually move the AI build-out are negotiated contracts, and TrendForce publishes those as quarter-over-quarter changes rather than levels. For 4Q26 itpublished no separate server figure and expects conventional DRAM, which covers server DRAM and which it still calls undersupplied on the server side, up 10 to 15%, and NAND flash up 15 to 20%. The distribution of that increase is the part worth reading twice. Several U.S.-based CSPs have entered into multi-year long-term agreements which, in TrendForce's words, restrict suppliers from raising prices for these clients. From 3Q26 the primary source of server DRAM price increases shifted toward customers without an LTA, and toward incremental supply sold outside an LTA to existing LTA customers. For 4Q26 TrendForce still expects increases for some suppliers to lag the market average because of pricing mechanisms set in those agreements.
Consumer price tolerance is the brake. TrendForce reported in July that consumer customers had reached their limit, which moderated the 3Q26 increase to 13-18%, and for 4Q26 it expects consumer DRAM to keep rising at a slower pace while notebook inventories reflecting higher component costs weigh on end-market sales. AI server demand is what keeps the conventional DRAM forecast at 10-15%. That is a demand-side ceiling, not a supply-side fix: the moderation comes from consumer buyers refusing to pay, while cloud providers keep buying ahead of an expected 2027 squeeze. For the signals that would show a genuine turn, see whether the 2026 memory cycle is peaking.
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Server RAM prices: frequently asked questions
- How much does server RAM cost per GB in 2026?
- About $29.37 to $41.15 per gigabyte for a new in-stock DDR5 ECC RDIMM, with a tracked median of $43.73 as of October 7, 2026. These are single-retailer street prices for new modules, not the contract prices hyperscalers negotiate, and not the much cheaper used-server-pull market. A consumer DDR5 kit averages $17.50 per GB over the same week, so registered ECC memory carries roughly a 2.5x premium per gigabyte.
- Why is server memory more expensive per GB than desktop memory?
- Three reasons compound. Registered ECC modules carry extra silicon (a register or buffer plus the ECC dies), so there is more part per gigabyte. They ship in far higher capacities per module, and capacity is exactly what repriced in this shortage. And they sit in the demand path of the AI build-out, which is the buyer with the least price sensitivity in the market. The consumer channel gets the leftovers of a shortage; the server channel is the shortage.
- Are cloud providers paying these price increases?
- Not all of them, and that is the most underreported mechanic in this market. Several U.S.-based CSPs have entered into multi-year long-term agreements which, in TrendForce's words, restrict suppliers from raising prices for these clients. From 3Q26 the primary source of server DRAM price increases shifted toward customers without an LTA, and toward incremental supply sold outside an LTA to existing LTA customers. For 4Q26 TrendForce still expects increases for some suppliers to lag the market average because of pricing mechanisms set in those agreements. In practice a large US cloud provider with an agreement signed before the squeeze holds its price while a smaller buyer, an enterprise refresh or a regional host pays the full 10 to 15% quarterly increase. Reported "server memory prices" are therefore an average of two very different experiences.
- Why are buyers switching to smaller RDIMM modules?
- Because the largest module is now the worst value per gigabyte. CSPs and OEMs have gradually adjusted their RDIMM configurations, with some systems shifting from 96GB and 128GB modules to 32GB and 64GB modules. By 4Q26 suppliers had followed: TrendForce reports they have increased the share of lower-capacity RDIMMs in their product mix to match that demand. The tracked prices show what that avoids: 128GB runs $39.06 per GB against $35.08 for 64GB, so hitting 128GB with two 64GB modules costs about $4,490 instead of $5,000, roughly 10% less. The trade-off is DIMM slots and future headroom, which buyers are now willing to spend. Note that the 128GB and 256GB figures rest on a single tracked listing each, so treat them as thin-liquidity readings rather than a settled market price.
- When will server RAM prices stop rising?
- No forecaster on record has called a peak in the contract market. What has changed is the pace: TrendForce now expects the 4Q26 increase to moderate to 10 to 15% for conventional DRAM, partly because consumer price tolerance is the brake. TrendForce reported in July that consumer customers had reached their limit, which moderated the 3Q26 increase to 13-18%, and for 4Q26 it expects consumer DRAM to keep rising at a slower pace while notebook inventories reflecting higher component costs weigh on end-market sales. AI server demand is what keeps the conventional DRAM forecast at 10-15%. Note the asymmetry in that sentence: the moderation comes from consumer buyers refusing, not from supply arriving. AI server demand is still the bid, and buyers are stockpiling against an even tighter 2027.
Where this fits
This page is a spoke off the RAM price index and DRAM price tracker, which carries the buy-or-wait verdict table, the spot-versus-inflation divergence chart, and the full method note. The sibling trackers are ddr5 prices, ddr4 prices, hbm prices and ram price chart.
For the analysis behind the numbers: why RAM is so expensive in 2026 argues the squeeze is a deliberate business choice, the 2026 RAM price forecast maps what each forecaster expects, how to save money on RAM in 2026 is the tactical version, and what CXMT is covers the one supply-side force large enough to eventually push prices down.
Sources
- 16GB DDR5 ECC RDIMM: DatacenterDisk lowest in-stock 16GB DDR5 ECC RDIMM listing, read October 7 2026. The Samsung listing is back in stock at US$639.00 and undercuts the US$709.99 NEMIX listing that set the floor on September 26. Thin liquidity: two offers tracked at this capacity
- 32GB DDR5 ECC RDIMM: DatacenterDisk lowest in-stock 32GB DDR5 ECC RDIMM listing, read October 7 2026. The same Kingston module was US$999.99 on September 26, a 30% rise in eleven days; the next three in-stock listings run US$1,357.99 to US$1,457.64
- 64GB DDR5 ECC RDIMM: DatacenterDisk lowest in-stock 64GB DDR5 ECC RDIMM listing, read October 7 2026. Unchanged from the September 26 2026 read
- 96GB DDR5 ECC RDIMM: DatacenterDisk lowest in-stock 96GB DDR5 ECC RDIMM listing (A-Tech), read October 7 2026. Up from US$3,139.49 (US$32.70 per GB) on September 26 2026
- 128GB DDR5 ECC RDIMM: DatacenterDisk 128GB DDR5 ECC RDIMM (SK hynix HMCT04MEERA132N). Out of stock with no price at the October 7 2026 read, so the price carried here is the last confirmed in-stock listing from September 26 2026 and is not a current quote
- 256GB DDR5 ECC RDIMM: DatacenterDisk lowest in-stock 256GB DDR5 ECC RDIMM listing (V-Color), read October 7 2026. Back in stock and below the US$8,719.99 last confirmed on August 14 2026, which makes it the cheapest per-GB module in the table. Thin liquidity: a single in-stock listing at this capacity
- DatacenterDisk (2026-09-26). DDR5 ECC RDIMM Server Memory Prices, live cost per GB by module capacity (Amazon US listings via the Amazon Creators API, refreshed every few hours). Single-retailer live tracker for new in-stock modules, not a contract price. Verified 2026-09-26. https://datacenterdisk.com/server-ram/ddr5
- TrendForce (2026-09-30). AI Server Demand Sustains Memory Contract Price Increases in 4Q26, While Consumer-Side Pressure Persists. Contract-market forecast, quoted as QoQ change. Verified 2026-10-07. https://www.trendforce.com/presscenter/news/20260930-13258.html
- TrendForce (2026-07-03). AI Server Demand Continues to Support Memory Prices in 3Q26, but Gains Moderate as Consumer Demand Weakens and High Base Effects Take Hold. Contract-market forecast, quoted as QoQ change. Verified 2026-08-14. https://www.trendforce.com/presscenter/news/20260703-13134.html
- RAM Prices USA (2026-10-07). Compare DDR4 and DDR5 prices daily (4,486+ modules, refreshed daily via the Amazon Creators API). Aggregated retail, used only for the comparison. Verified 2026-10-07. https://rampricesusa.com/