---
title: "Solana Cuts Target Slot Time to 250 Milliseconds in Third Speed Increase Since August"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/299562937.md"
description: "Solana reduced its target slot time from 300ms to 250ms on September 18, marking the third speed increase since August. This adjustment is part of the SIMD-0525 plan, which aims to eventually reach 200ms. Despite faster slots, overall network throughput remains unchanged as compute and data capacity per slot were proportionally reduced. The final phase depends on validators maintaining stable skip rates."
datetime: "2026-09-20T16:24:45.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/299562937.md)
  - [en](https://longbridge.com/en/news/299562937.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/299562937.md)
generator: "portal-rs"
---

# Solana Cuts Target Slot Time to 250 Milliseconds in Third Speed Increase Since August

Solana lowered its target slot time from 300 milliseconds to 250 milliseconds on September 18, marking its third speed increase since August. According to Odaily, the network’s overall throughput did not rise because the compute and data capacity per slot were reduced proportionally. The change is the third stage of the SIMD-0525 four-phase plan, with slot time having fallen from 400 milliseconds at genesis to 350 milliseconds, 300 milliseconds, and now 250 milliseconds. The final step to 200 milliseconds does not yet have a mainnet activation date and depends on validators keeping skip rates stable.

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**