Best NAS for 40 TB for Netherlands

A long-term NAS with 40 TB usable capacity, parity redundancy and room to grow. Prices and availability for Netherlands.

The request

File storage · 2 users
Backup
Photo storage
10GbE network
40 TB usable · 1 parity drive

Edit request

Overview · Long-term build≈ €2,586

Requirements vs this build

need · used

CPU cores	8 / 18	44%	OK
RAM	32 / 32 GB	100%	Full
Storage	41 / 57 TB	72%	OK
GPU	Not needed

Power

Usage: 24/7
Idle: 38 W
Typical: 46 W
Peak: 180 W
Energy / year: ≈ €142
Over 3 years: ≈ €425

Score

Overall85

Performance100

Efficiency70

Value63

Why this variant

Choose it if

2 free drive bay(s), 3 free PCIe slot(s) and 0 free RAM slot(s) keep the upgrade path open for years.

It sacrifices

Higher upfront cost today — you pay for expansion capacity before you need it.

How the parts were chosen

Intel Core Ultra 5 250K Plus: 18 cores / 18 threads covers the 8 cores needed with headroom. (2.3× needed — chosen for future expansion)
Motherboard Intel Z890 (LGA 1851): matches the CPU socket and case size.
RAM: 32GB DDR5 — meets the 32GB the workload requires.

Why not the others

Long-term build — expandable & future-proof beats "Smart build — best all-round" on performance +25, value -7, efficiency +11, expandability -11, longevity +12 — that is why it is recommended for your priorities.

Before you buy

Nothing critical to fix before you buy.

Performance100

Value63

Efficiency70

Expandability89

Silence50

Longevity96

Reliability70

Overall85

Future-proof score

Strong future-proofing

74/100

Strong future-proofing (74/100) — this build should stay relevant for years without major surgery.

Upgrade path75

DIY build — the CPU, motherboard and PSU can each be upgraded independently without replacing the whole system.

Expansion100

Expansion headroom: 3 PCIe slot(s), 5 M.2, 1 SATA, 2 drive bay(s), 0 RAM slot(s) free.

Storage growth70

Storage is 72% utilized with 2 free drive bay(s) and 1 free SATA port(s).

Memory growth20

0 RAM slot(s) free; memory is 100% utilized.

Networking95

Networking is 10000 Mbps, and a free PCIe slot can add a faster NIC later.

Replacement ease90

ATX form factor with standard, socketed components — most parts are easy to replace.

Workload change70

No GPU (the iGPU handles transcoding), but there is room (3 PCIe slot(s), PSU headroom 3.6x) to add one for AI.

Homelab Risk Score

Low risk

10/100

Low risk (10/100) — sensible redundancy and headroom; no single point of failure is exposed.

low

Single point of failure

Storage has redundancy (parity1) — a single drive failure does not take the array down.Fix: Continue a 3-2-1 backup strategy; redundancy is not a backup.

low

Storage risk

5 NAS-rated hard drive(s) — rated for 24/7 operation.Fix: Keep drives cool and monitor SMART health.

low

Data loss risk

Redundancy protects against drive failure, though it is not a substitute for backups.Fix: Follow a 3-2-1 backup rule: at least one copy off the box.

low

Power risk

PSU is 650W, peak load 180W (28%).Fix: PSU sizing leaves healthy headroom for spikes and future parts.

low

Network risk

Single 10000 Mbps NIC — a switch/port failure takes the box fully offline, and multi-user media can saturate 10000 Mbps.Fix: Consider a second NIC or a managed switch; for heavy media, plan for 2.5/10G before the build.

low

Expansion risk

3 PCIe, 5 M.2, 1 SATA, 2 bays free.Fix: Healthy room for future drives, NICs and accelerators.

low

Upgrade risk

2026 platform — current generation with a forward-looking socket/feature set.Fix: Buy for the workload, not the socket — upgrade paths are a bonus, not a guarantee.

Final build audit

Audit passed (0 critical, 0 warning) — mostly optional and future considerations remain.

2 Optional2 Future

Optional

Add a UPS

An always-on server holding data should survive power blips.Action: Add a line-interactive UPS sized for the build's peak draw (≥ 10 min at typical load for a clean shutdown).power

Optional

Keep a backup off-box

Redundancy inside the box does not survive fire, theft or a whole-array fault.Action: Mirror the important data to an external drive, a second box, or cloud.storage

Future

Drive bays remain

2 drive bay(s) free for future capacity.Action: Expand capacity in pairs (mirror/parity) when needed.storage

Future

PCIe slot available

3 free PCIe slot(s) for a NIC, HBA or GPU later.Action: Use it for a 10G NIC, extra HBA, or an accelerator when the need appears.expansion

What becomes the limit

RAM is maxed out is the most likely thing to date this build within 1-2y.

1-2y

RAM is maxed out

Why: All RAM slots are used and the workload already sits at 100% — the next memory need means replacing kits or a new build.What to do: Buy a single larger kit now, or plan the RAM for the full lifecycle.

3-5y

Storage growing

Why: 72% of capacity in use — comfortable today, tighter over a few years.What to do: Plan the growth curve; keep at least one bay free for the next drive.

Keep going

Beyond this build

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