Solana Proposes 66% Capacity Boost with SIMD‑0286 Upgrade
Solana proposes SIMD-0286 to raise block limits to 100M CUs, aiming for higher transaction throughput and stronger dApp performance.

Quick Take
Summary is AI generated, newsroom reviewed.
Solana proposed SIMD-0286 to raise block limits.
SIMD-0286 boosts block limits from 60M to 100M CUs.
Higher limits may speed up DeFi and NFTs.
Solana plans testing before any final mainnet rollout.
Solana has recommended SIMD-0286 to increase block limits. The upgrade would increase the block limit up to 100M CUs. The Solana block limit set presently is 60M CUs. This is the 66 percent expansion of the capacity of Solana. SIMD-0286 follows the previous Solana initiative on the fast and scalable networks. SIMD-0286 is a proposal to upgrade to Release 2.86 (after the SIMD-0207 proposal to upgrade to Release 2.07). That was an increase of the block limit of Solana by Solana to 50M blocks. Then, Solana scaled up the block limit to 60M CUs. All the upgrades indicate the orientations of high performance of Solana. In May 2025, Solana developers opened SIMD-0286 on GitHub.
Solana employs the use of Compute Units (CUs) to monitor block loads. The increased block limits enable Solana to process more transactions. This is useful to make Solana compete with Ethereum and other chains. Solana supports more than 2000 TPS in a mainnet. SIMD-0286 may make Solana even faster. Apps which use a larger block limit enable them to scale well. The Solana validators do not object to SIMD-0286 yet would like to have it thoroughly tested. Simd-0286 has the benefit of increasing performance but endangers stability as well. The Solana developers are keen to achieve speed and reliability.
SIMD-0286 Could Define Solana’s Competitive Edge
In the past, there has been solana network congestion. In September 2021 a significant Solana outage occurred. It was that incident that compelled Solana to increment block limits progressively. SIMD-0286 has the potential of reducing Solana slowdowns in the future. The proposal leaves Solana with a huge advantage in DeFi. They may be of direct benefit on projects such as DeDash. The increase in block limit of Solana will be able to accommodate faster bots and dApps. Customers would be able to view more trades and more seamless app experience. The Solana platform is not ready yet and requires testnet data before launching mainnet.
On GitHub, SIMD-0286 is still being discussed. Compute risks are being commentated by Solana validators. Solana should improve the number of limits through validators. The Solana community votes on initiatives such as SIMD-0286. Granted, SIMD-0286 can become a new standard. Solana would dominate other chains in terms of the block performance. Ethereum and Solana differ in that Ethereum operates on rollups in contrast to Solana which operates on native scaling. Solana has a serious scaling intent as reflected by the block limit increase.

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