Check the balance
CritiqueTotal (1012€) exceeds your budget (500€).
Action: Reconsider the config for the stated workload or budget before buying.
Catégorie: balance
Une recommandation complète et explicable pour le Le homelab le plus intelligent que tu puisses construire en matériel d'occasion — une valeur maximale par euro. — composants, raisonnement, compromis, coût énergétique et voie de mise à niveau, générée par le moteur de décision WisePC.
Le système dans son ensemble — avant la liste de courses.
diy · sff build on AM4 + AMD B550
Nous répartissons ton build entre la performance dont tu as besoin, celle que tu achètes et celle que tu utiliseras probablement au quotidien. Quand l'écart est grand, tu achètes trop.
BALANCED — le build est dimensionné au plus près des exigences de la charge.
| Performance nécessaire | Performance achetée | Probablement utilisée | |
|---|---|---|---|
| Threads CPU | 8 | 12 | 4 |
| RAM | 48 | 64 | 32 |
| Stockageoverbuy | 5 | 17 | 4 |
| VRAM GPU | — | — | — |
| Réseau | 2.5G | 1.0G | 1.0G |
Ce que cela signifie
Un score de pérennité explicable, le score de risque homelab, un audit final avant achat et ce qui deviendra le facteur limitant au fil du temps.
Pérennité équilibrée
Balanced future-proofing (65/100) — it covers today's workload with some room, but one or two factors will push you to upgrade sooner.
DIY build — the CPU, motherboard and PSU can each be upgraded independently without replacing the whole system.
Expansion headroom: 2 PCIe slot(s), 3 M.2, 3 SATA, 0 drive bay(s), 0 RAM slot(s) free.
Storage is 29% utilized with 0 free drive bay(s) and 3 free SATA port(s).
0 RAM slot(s) free; memory is 75% utilized.
Networking is 1000 Mbps, and a free PCIe slot can add a faster NIC later.
ATX form factor with standard, socketed components — most parts are easy to replace.
No GPU, but there is room (2 PCIe slot(s), PSU headroom 5.5x) to add one for AI/transcoding.
Risque modéré
Moderate risk (49/100) — a few items are worth fixing before you commit (see checklist).
Single point of failure
Risque: highStorage has no redundancy (2 drives, no mirror/parity) — a single drive failure exposes the array.
Solution: Add at least a mirror (RAID 1/ZFS mirror) for irreplaceable data, or an additional parity drive for larger arrays.
Storage risk
Risque: medium1 desktop hard drive(s) — not rated for 24/7 duty, vibration or heat; higher long-run failure risk.
Solution: For an always-on system, prefer NAS/CMR-rated drives; monitor SMART and replace before the warranty ends.
Data loss risk
Risque: critical2 drive(s), no redundancy, hard-drive media — the worst combination for keeping data safe.
Solution: Add redundancy and an off-site/off-box backup for anything irreplaceable.
Power risk
Risque: lowPSU is 600W, peak load 109W (18%).
Solution: PSU sizing leaves healthy headroom for spikes and future parts.
Network risk
Risque: criticalThe workload wants 2500 Mbps but the config only provides 1000 Mbps.
Solution: Add a 2.5G NIC or upgrade the platform.
Expansion risk
Risque: low2 PCIe, 3 M.2, 3 SATA, 0 bays free.
Solution: Healthy room for future drives, NICs and accelerators.
Upgrade risk
Risque: low2022 platform — current generation with a forward-looking socket/feature set.
Solution: Buy for the workload, not the socket — upgrade paths are a bonus, not a guarantee.
Audit found 2 critical and 0 warning item(s) worth fixing before you buy.
Check the balance
CritiqueTotal (1012€) exceeds your budget (500€).
Action: Reconsider the config for the stated workload or budget before buying.
Catégorie: balance
No storage redundancy
Critique2 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.
Catégorie: storage
Use NAS-rated drives
OptimisationDesktop drives in an always-on NAS/server role have higher long-run failure rates.
Action: Prefer NAS/CMR-rated drives for 24/7 duty.
Catégorie: storage
Plan faster networking
Optimisation1G networking is fine today but will bottleneck multi-user media or big NAS transfers at 5TB.
Action: Budget for a 2.5G/10G NIC and switch later, or spec it now.
Catégorie: network
Add a UPS
OptionnelAn always-on server holding data should survive power blips.
Action: Add an online/line-interactive UPS sized to the build's idle draw.
Catégorie: power
Keep a backup off-box
OptionnelRedundancy 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.
Catégorie: storage
PCIe slot available
Futur2 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.
Catégorie: expansion
RAM is maxed out is the most likely thing to date this build within 1-2y.
RAM is maxed out
Pourquoi: All RAM slots are used and the workload already sits at 75% — the next memory need means replacing kits or a new build.
Que faire: Buy a single larger kit now, or plan the RAM for the full lifecycle.
1G networking becomes the ceiling
Pourquoi: A 1000 Mbps link will cap NAS transfers and multi-user media before the CPU or disks do.
Que faire: Add a 2.5G/10G NIC when the switch investment makes sense.
Value build — most for your money
Architecture: sff build on AM4 + AMD B550
≈ 1,012 €
Total
balanced
| Rôle | Composant | Qté | Prix | Acheter |
|---|---|---|---|---|
| cpu | AMD Ryzen 5 5500 | 1 | 89 € | … |
| motherboard | ASUS PRIME B550M-K ARGB-CSM | 1 | ≈ 116 € | … |
| ram | Corsair Vengeance LPX Black DDR4-4000 CL18 64GB (2x32GB) | 1 | ≈ 148 € | … |
| case | In Win Alice ATX Mid Tower Gray / Black | 1 | ≈ 82 € | … |
| cooling | Thermalright Le Grand Macho Air 159mm Fanless | 1 | ≈ 38 € | … |
| psu | Silverstone NJ600 Silver Fanless ATX 600W Fully Modular 80+ Titanium Certified | 1 | ≈ 98 € | … |
| storage | Rocket Q NVMe SSD | 1 | ≈ 61 € | … |
| storage | Seagate Exos X18 16TB HDD 3.5" SAS 12.0 Gb/s | 1 | ≈ 380 € | … |
| Total: | ≈ 1,012 € | |||
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RAM is the closest to its limit (75% of capacity in use) — it will likely force the next upgrade.
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