Intel Core Ultra 5 250K Plus + RTX PRO 4000 Blackwell · Intel B860 · Passive cooling · Fanless PSU · 96GB DDR5 · 8TB NVMe build
Long-term build — expandable & future-proof · tower build on LGA 1851 + Intel B860
Parts · Long-term build — expandable & future-proof≈ €3,436
€268Finding prices…
motherboardAsus B860 PRIME B860M-A LGA1851 DDR5 Micro ATXIntel B860 · MATX · 2× M.2Alternatives & swap€190Finding prices…
ramTEAMGROUP T-FORCE DELTA RGB DDR5-6400 96GB (2x48GB) CL30 Black96 GB DDR5 · 6400 MT/sAlternatives & swap≈ €322Finding prices…
€95Finding prices…
≈ €35Finding prices…
psuSeaSonic PRIME Fanless Black 700W Fully Modular 80+ Titanium Certified700 W · titanium · modularAlternatives & swap€286Finding prices…
≈ €440Finding prices…
≈ €1,800Finding prices…
Idle
63W
Typical
151W
Peak
314W
Energy / year
≈ €370
Performance90
Value48
Efficiency48
Expandability100
Silence95
Longevity100
Reliability75
Overall87
Future-proof score
Strong future-proofing84/100
Strong future-proofing (84/100) — 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.
Expansion92
Expansion headroom: 2 PCIe slot(s), 1 M.2, 4 SATA, 2 drive bay(s), 2 RAM slot(s) free.
Storage growth90
Storage is 50% utilized with 2 free drive bay(s) and 4 free SATA port(s).
Memory growth75
2 RAM slot(s) free; memory is 67% utilized.
Networking80
Networking is 2500 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 change85
A 24GB GPU is present — AI and transcoding workloads are covered.
Homelab Risk Score
Moderate risk37/100
Moderate risk (37/100) — a few items are worth fixing before you commit (see checklist).
critical
Single point of failure
All data sits on a single drive with no redundancy — one failure means total loss.Fix: Add at least a mirror (RAID 1/ZFS mirror) for irreplaceable data, or an additional parity drive for larger arrays.
low
Storage risk
Solid-state storage — no moving parts, low mechanical failure risk.Fix: For an always-on system, prefer NAS/CMR-rated drives; monitor SMART and replace before the warranty ends.
high
Data loss risk
1 drive(s) with no redundancy — a single SSD/controller failure can still lose data.Fix: Add redundancy and an off-site/off-box backup for anything irreplaceable.
low
Power risk
PSU is 700W, peak load 314W (45%).Fix: PSU sizing leaves healthy headroom for spikes and future parts.
low
Network risk
Single 2500 Mbps NIC — a switch/port failure takes the box fully offline, and multi-user media can saturate 2500 Mbps.Fix: Consider a second NIC or a managed switch; for heavy media, plan for 2.5/10G before the build.
low
Expansion risk
2 PCIe, 1 M.2, 4 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 found 3 critical and 0 warning item(s) worth fixing before you buy.
3 Critical2 Optional3 Future
Critical
Check the balance
This build may struggle with the stated workload.Action: Reconsider the config for the stated workload or budget before buying.balance
Critical
No storage redundancy
1 drive(s) with no mirror or parity for the data you plan to store.Action: Add at least a mirror for irreplaceable data before you migrate anything.storage
Critical
CPU close to the limit
The workload uses 89% of the CPU — little headroom for background tasks or growth.Action: Consider a stronger CPU or drop a secondary workload.compute
Optional
Add a UPS
An always-on server holding data should survive power blips.Action: Add an online/line-interactive UPS sized to the build's idle draw.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
RAM expansion available
2 RAM slot(s) free for a later upgrade.Action: Leave them free until the workload actually grows.memory
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
2 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
CPU is the next bottleneck is the most likely thing to date this build within 1-2y.
1-2y
CPU is the next bottleneck
Why: The CPU runs at 89% of capacity — new services or more users will hit the wall first.What to do: Consider a stronger CPU within the same socket generation while it is still cheap.
3-5y
Storage growing
Why: 50% 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.
| Game | 1080p | 1440p | 4K |
|---|---|---|---|
 Grand Theft Auto V | ~300 | ~300 | ~300 |
 Baldur's Gate III | ~185 | ~140 | ~85 |
 Red Dead Redemption 2 | ~125 | ~90 | ~55 |
 Cyberpunk 2077 | ~95 | ~70 | ~45 |
 Roblox | ≈300 | ≈300 | ≈300 |
 Elden Ring | ~130 | ~110 | ~75 |
 Apex Legends | ≈300 | ≈265 | ≈160 |
 Palworld | ~90 | ~70 | ~40 |
 The Witcher 3: Wild Hunt | ~185 | ~175 | ~145 |
 Minecraft | ~300 | ~300 | ~300 |
 Geometry Dash | ≈300 | ≈300 | ≈300 |
 Stardew Valley | ≈300 | ≈300 | ≈300 |
Real FPS from owners
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