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Not Enough Bandwidth FabricMinecraft mod for 26.2

Network bandwidth optimization through packet header indexing, aggregation + Zstd compression, delayed chunk caching, and persistent client-side chunk deduplication.

client and servernewest supported 26.2Optimization
Latest version
1.21.6-6
Minecraft
1.20.1 to 26.2
Java
Java 25+
Loader
Fabric
Licence
GPL-3.0-only
Downloads
10.3k
Updated
2 d ago
Available on
Modrinth
Space NodeOur hosting

Host Not Enough Bandwidth Fabric servers

One click and Not Enough Bandwidth Fabric is installed with the right loader, on hardware built for it.

  • 26.2
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Not Enough Bandwidth Fabric declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
26.2Fabric25+declared16 Jun 2026
26.1Fabric25+declared24 Mar 2026
1.21.11Fabric21+declared9 Dec 2025
1.21.10Fabric21+declared7 Oct 2025
1.21.6Fabric21+declared17 Jun 2025
1.21.4Fabric21+declared3 Dec 2024
1.21.1Fabric21+declared8 Aug 2024
1.20.1Fabric17+declared12 Jun 2023

Download

From Not Enough Bandwidth Fabric’s own host. Nothing is re-hosted here.

1.21.6-6release9 Jul 2026

NotEnoughBandwidth-1.21.6-6.jar · 7.4 MB · for 1.21.6

Download latest
a66c2aba65b5…
Older versions20
  • 1.21.4-69 Jul 20261.21.47.3 MB100 downloads34a45b1bf2ca…Get
  • 26.1-49 Jul 202626.17.3 MB220 downloads4bfb27c4d7a8…Get
  • 1.21.11-29 Jul 20261.21.117.3 MB536 downloads1de1e2bf94e8…Get
  • 1.21.1-49 Jul 20261.21.17.3 MB235 downloads0d6940fb61ef…Get
  • 1.21.10-49 Jul 20261.21.107.3 MB29 downloads614b9e9b230c…Get
  • 1.20.1-69 Jul 20261.20.17.3 MB159 downloadsfddc0eaee133…Get
  • 1.21.1-225 Apr 20261.21.17.3 MB836 downloads92ff8e76f2ad…Get
  • 1.21.10-225 Apr 20261.21.107.3 MB142 downloads3d9185b2bdf2…Get
  • 1.21.6-425 Apr 20261.21.67.3 MB20 downloads6776091579a1…Get
  • 1.20.1-425 Apr 20261.20.17.3 MB787 downloadsb72237feeab8…Get
  • 26.1-225 Apr 202626.17.3 MB413 downloads483ab361ad5c…Get
  • 1.21.4-525 Apr 20261.21.47.3 MB121 downloads54806f96bf82…Get
  • 26.1-119 Apr 202626.17.3 MB19 downloadsde5316629191…Get
  • 1.21.1-16 Apr 20261.21.17.3 MB134 downloads4cb30b40dd3d…Get
  • 1.20.1-36 Apr 20261.20.17.3 MB5 downloads06617f11f581…Get
  • 1.21.4-36 Apr 20261.21.47.3 MB4 downloads5035b0e4a1e3…Get
  • 1.21.6-36 Apr 20261.21.67.3 MB4 downloadse35c99cf8a29…Get
  • 1.21.4-26 Apr 20261.21.47.3 MB6 downloadsc8d3309b7146…Get
  • 1.21.6-26 Apr 20261.21.67.3 MB5 downloads62e38b6b1a22…Get
  • 1.21.4-14 Apr 20261.21.47.3 MB7 downloadsf4ae5384443f…Get

Frequently asked

Does Not Enough Bandwidth Fabric work on Minecraft 26.2?

Yes. 26.2 is the newest Minecraft version Not Enough Bandwidth Fabric declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Not Enough Bandwidth Fabric support?

Everything the author has declared, from 1.20.1 up to 26.2. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Not Enough Bandwidth Fabric on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Not Enough Bandwidth Fabric support?

Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Not Enough Bandwidth Fabric?

On the newest Minecraft version it supports, Java 25 or newer. The requirement comes from the Minecraft version you run rather than from the mod itself, so on an older supported Minecraft the answer is that version's Java, not this one.

What licence is Not Enough Bandwidth Fabric under?

GPL-3.0-only, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Not Enough Bandwidth Fabric?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Not Enough Bandwidth Fabric safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. The download link goes to the source recorded for that release; verify the publisher, filename and checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Details from Modrinth, where the author last updated it on 27 Sept 2026. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .