3-year cost calculator
Pre-filled for Dell PowerStore → TrueNAS. Adjust every figure with your own numbers.
Every figure here is an illustrative estimate, not a vendor quote. Defaults are editable starting points compiled from public information; real, binding pricing comes from the vendor or an authorized distributor. See our methodology.
Recommended for your requirements: Size for 500 TB usable at ~50k IOPS — midrange (100–500 TB). Plan redundancy (N+1), replication/DR, and snapshot capacity overhead (~20–30%).
All figures are illustrative and fully editable — adjust the cost-per-TB and migration inputs with your own numbers. Not guaranteed vendor pricing (defaults reviewed May 2026). For a binding quote, use the request form below to reach an authorized distributor or partner.
Quick comparison: Dell PowerStore vs TrueNAS
Common trade-offs teams weigh when staying on Dell PowerStore versus moving to TrueNAS. These are general, commonly-reported considerations — not statements of fact about any vendor — so check them against your own contract and the vendors' current terms.
- Already in production — no migration effort or risk
- Mature ecosystem with vendor support and SLAs
- Capacity-based software licensing on top of the hardware
- Controller and expansion upgrades are costly
- Premium support renewals
- Proprietary array lock-in
- Ongoing capacity + controller licensing cost to budget for
- Higher vendor lock-in to weigh
- Open source — no license fees
- No vendor lock-in
- Cost model: Free (Enterprise optional)
- Requires a migration (~18 weeks, high effort)
- Community support by default — paid support optional
- Higher operational learning curve
Why teams evaluate alternatives to Dell PowerStore
Reasons commonly cited by users and in public industry coverage for re-evaluating Dell PowerStore. These are general, reported considerations — not statements of fact about Dell — and may not reflect your situation or the vendor's current terms. Verify against your own contract before deciding.
- Capacity-based software licensing on top of the hardware
- Controller and expansion upgrades are costly
- Premium support renewals
- Proprietary array lock-in
The migration plan
Roughly 18 weeks for a mid-size estate, in six phases.
Tooling & automation
Provision TrueNAS ZFS pools; migrate data via storage vMotion, rsync, or zfs send; re-present iSCSI/NFS targets; cut over after validation.
OffVendor's wizard pre-fills these scripts with your environment — inventory export, disk/schema conversion, bulk provisioning, and validation.
Frequently asked
Is migrating from Dell PowerStore to TrueNAS worth it?
For most teams facing rising Dell PowerStore costs, yes — TrueNAS (free (enterprise optional)) typically lowers 3-year total cost of ownership, though the right answer depends on workload complexity and in-house skills. Use the calculator to model your own numbers.
How long does a Dell PowerStore to TrueNAS migration take?
A typical mid-size estimate is around 18 weeks across six phases — discovery, design, pilot, waved production migration, validation, and decommission. Larger or more complex estates take longer.
What tools are used to migrate from Dell PowerStore to TrueNAS?
Provision TrueNAS ZFS pools; migrate data via storage vMotion, rsync, or zfs send; re-present iSCSI/NFS targets; cut over after validation.