M-Series

TrueNAS M-Series

Enterprise storage without limits. Up to 30 PB, high availability, 4x 100 GbE.

Performance. Scalability. Reliability.

The TrueNAS M-Series is the premium enterprise storage system for organisations that require maximum performance and a fault-tolerant architecture. With up to 30 PB capacity, dual-controller high availability and 4x 100 GbE network connectivity, the M-Series sets the benchmark in enterprise storage.

The innovative TrueCache NVDIMM technology delivers maximum write performance and protects data even during unexpected power outages. Combined with OpenZFS, you get a storage system that makes no compromises.

Up to 30 PB storage capacity

Dual-controller high availability

4x 100 GbE network connectivity

TrueCache NVDIMM for write performance

Self-healing OpenZFS file system

Modular, non-disruptive expansion

High-Performance Storage with TrueCache

OpenZFS forms the heart of the M-Series and ensures the integrity of your data at all times -- even during unexpected power outages. Every data block is protected by checksums and automatically repaired when needed.

TrueCache technology uses NVDIMM modules as a persistent write cache, significantly accelerating write operations. Combined with NVMe SSDs as read cache and DRAM-based ARC (Adaptive Replacement Cache), the M-Series achieves consistently high IOPS and low latencies.

Adaptive compression ensures that your data is automatically compressed when CPU utilisation permits -- for maximum effective capacity without performance compromises.

Advantages at a Glance

Enterprise features that make no compromises.

Maximum Performance

DRAM, NVDIMM and NVMe caching for consistently high IOPS and minimal latencies across all workloads.

Dual-Controller HA

Transparent failover without data loss. No single point of failure in your storage infrastructure.

Self-Healing OpenZFS

Automatic error detection and correction at the block level. Bit rot is a thing of the past.

Deduplication & Compression

Inline deduplication and adaptive compression maximise effective storage capacity.

Modular up to 30 PB

Start with the capacity you need and expand modularly up to 30 petabytes -- without downtime.

Use Cases

The M-Series is designed for the most demanding enterprise workloads.

Large Virtualisation & Cloud Environments

High-performance shared storage for thousands of VMs and containers with guaranteed IOPS.

High-I/O Databases

Low latencies and high throughput rates for SQL, NoSQL and in-memory databases.

Media Production

Simultaneous 4K/8K video editing with high bandwidth and consistent performance.

Enterprise Backup & Archiving

Petabyte-scalable backup infrastructure with deduplication and long-term archiving.

Highly Available Data Centres

Fault-tolerant storage infrastructure with dual-controller HA and automatic failover.

TrueNAS M-Series Models

Enterprise storage in four performance tiers -- from mid-range to high-end.

Specification	TrueNAS M30	TrueNAS M40	TrueNAS M50	TrueNAS M60
Storage type	Hybrid / all-flash	Hybrid / all-flash	Hybrid / all-flash	Hybrid / all-flash
Dual controller (HA)	Optional	Optional	Optional	Optional
CPU per controller	8 cores (8 threads)	10 cores (20 threads)	20 cores (40 threads)	32 cores (64 threads)
RAM (max.)	96 GB	192 GB	384 GB	768 GB
Read cache (max.)	800 GB SAS	2.4 TB SAS / 3.2 TB NVMe	6.4 TB NVMe	12.8 TB NVMe
Write cache	16 GB SAS	16 GB TrueCache NVDIMM	16 GB TrueCache NVDIMM	2x 16 GB TrueCache NVDIMM
Network	2x 10/25/40 GbE (opt.) + 2x 10GBase-T	2x 10/25/40/100 GbE + 2x 10GBase-T	2x 10/25/40/100 GbE + 2x 10GBase-T	4x 10/25/40/100 GbE + 2x 10GBase-T
Fibre Channel	2x 16 Gb	4x 16 Gb	4x 16 Gb / 2x 32 Gb	4x 32 Gb
Max. storage	1.5 PB	3 PB	10 PB	30 PB
Expansion units	2x ES24 / 1x ES60	2	8	12
Power consumption (single)	450 W	825 W	975 W	1225 W
Power consumption (HA)	600 W	950 W	1150 W	1450 W
Heat dissipation (BTU/h)	1535 / 2047	2815 / 3241	3327 / 3924	4180 / 4947

Conclusion

Enterprise storage without compromise -- ready for any challenge. The TrueNAS M-Series is the perfect solution for organisations looking to combine maximum performance, availability and scalability in a single system.

Frequently Asked Questions

Who is the TrueNAS M-Series designed for?

The M-Series is aimed at enterprises with mission-critical workloads that require maximum performance, high availability and scalability up to 30 PB -- such as data centres, large virtualisation environments or high-I/O databases.

What is TrueCache NVDIMM technology?

TrueCache uses NVDIMM modules as a persistent write cache. This significantly accelerates write operations and keeps data protected even during unexpected power outages.

What high availability does the M-Series offer?

All M-Series models support optional dual-controller HA with transparent failover. There is no single point of failure in the storage infrastructure.

How scalable is the TrueNAS M-Series?

The M-Series scales modularly from 1.5 PB (M30) to 30 PB (M60) and can be expanded with up to 12 extension units without downtime.

Which network protocols does the M-Series support?

The M-Series supports iSCSI, SMB, NFS, S3 and Fibre Channel (up to 4x 32 Gb). Network connectivity reaches up to 4x 100 GbE with the M60 model.

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