Blog
Introducing the TrueNAS V140
The full V-Series platform, sized for the workloads most teams actually run. There's a version of every storage refresh that ends with a system bigger and faster than the workload ever needed, plus a support contract to match. The headroom looks great on the spec...
TLC vs. QLC Flash Storage: How OpenZFS Optimizes all the Options
TLC (Triple-Level Cell) and QLC (Quad-Level Cell) are the two NAND flash types behind most enterprise SSDs today. TLC stores 3 bits per cell, QLC stores 4. The extra bit gives QLC roughly a third more density per wafer, and typically twice the density per SSD, at the...
The ZFS 80% Rule: Why It Exists, and When You Can Bend It
Run a TrueNAS pool long enough, and someone will warn you: stay under 80% full. The "80% rule" for capacity is like a ghost story of ZFS storage administration. Everyone has heard of it, but ask a room of admins why it exists, and the answers get vague fast. It gets...
TrueNAS 25.10.6: Resolving a Truckload of CVEs
Patch notes are supposed to be boring. A short list of CVEs, a version bump, nothing to see here. That stopped being true the moment AI models got better at finding vulnerabilities than most people are at writing proof-of-concepts for them. TL;DR: TrueNAS 25.10.5...
TrueNAS is Secure Storage
The first line of defense for any device or system on a network is the network itself. Following security best practices for endpoint and perimeter security is the foundation of data security. When properly configured on a secure network, TrueNAS further protects your...