Solana to Enhance Block Capacity by 66% through SIMD-0286 Enhancement
Solana, a popular blockchain network, is gearing up for a significant upgrade with the anticipated implementation of SIMD-0286. This upgrade is expected to enhance Solana's scalability and throughput by increasing the per-block compute limit from 60 million to 100 million Compute Units (CUs), marking a 66% increase in block computational capacity.
The increased CU limit will support more resource-intensive decentralized applications (dApps), decentralized exchanges, MEV auctions, and re-staking protocols without hitting computational budget limits, effectively future-proofing the network against growing demand.
With a larger block capacity, Solana can clear more transactions per block, leading to faster and smoother transaction finality and fewer "compute unit budget exceeded" errors. This will lower user friction and improve the experience during network congestion.
The upgrade is also expected to unlock new decentralized finance (DeFi) and Web3 gaming use cases on Solana. By enabling more robust and reliable performance under heavy load, SIMD-0286 improves infrastructure viability for complex institutional-grade applications. This reduction in potential bottlenecks enhances Solana’s appeal for large-scale DeFi, NFT projects, and decentralized physical infrastructure networks (DePIN).
However, the upgrade will necessitate more powerful hardware for validators to keep up with the higher computational demand, potentially raising barriers for some participants but ensuring the network remains performant and decentralized.
If ratified, SIMD-0286 is expected to land in Solana version 3.0, according to Brennan Watt, vice-president of Core Engineering at Anza, a Solana research and development firm, who has attributed the claim that the implementation of SIMD-0286 could occur "today."
The community has debated the performance-versus-stability trade-offs of the SIMD-0286 upgrade since May 2025. The upgrade follows a series of incremental upgrades, including SIMD-0207 to 50 million CUs and SIMD-0256 to 60 million CUs.
Over the past week, Solana's native SOL token has risen 6.6%, outpacing Bitcoin's modest 2% gains. Despite this, SOL remains 37.7% below its January 19 all-time high of $293.31. The Solana blockchain is reported to be increasing its block capacity from 60 million to 100 million Compute Units (CUs) with the SIMD-0286 upgrade. Compute Units on Solana function similarly to Ethereum's gas, measuring the computational resources needed for transactions and smart-contract executions.
The SIMD-0286 upgrade was first reported by SolanaFloor. If successful, this upgrade could help Solana absorb institutional inflows like those from DeFi Development Corp and SOL Strategies.
- The SIMD-0286 upgrade, anticipated on Solana, will potentially boost Solana's scalability, allowing it to support more resource-intensive dApps, DeFi, and Web3 gaming use cases by increasing its block computational capacity by 66%.
- The upgrade will enable Solana to process more transactions per block, improving transaction finality, reducing user friction, and potentially lowering the number of "compute unit budget exceeded" errors.
- As a result of the upgrade, Solana could attract more institutional-grade applications, including large-scale DeFi, NFT projects, and decentralized physical infrastructure networks (DePIN), due to its improved performance and infrastructure viability under heavy load.
- Validators on the Solana network may need more powerful hardware to keep up with the higher computational demand post-upgrade, which could potentially present barriers for some participants but ensures the network maintains performance and decentralization.