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Mejor Servidor de chat LLM local

Un servidor doméstico para chat LLM privado (Ollama + Open WebUI), autocompletado de código local y ajuste LoRA — mucha VRAM, mucha RAM.

Build recomendado

Value build — most for your money

Arquitectura: tower build on LGA 1700 + Intel Z790

≈ €2,732

Total

  • Hilos de CPU12
  • RAM80 GB
  • Almacenamiento4 TB
  • GPUai
Rendimiento
83
Valor
60
Eficiencia
52
Ampliabilidad
100
Silencio
95
Longevidad
100
Fiabilidad
75
Global
72
Reposo
58 W
Típico
130 W
Pico
263 W
Energía / año
≈ €285

Evaluaciónbalanced

Piezas y precios

  • cpu

    Intel Core i5 14400F

    10C/16T · 4.7 GHz · LGA 1700 · 65 W

    €187
  • motherboard

    Gigabyte Z790 AORUS ELITE AX DDR4 ATX

    Intel Z790 · ATX · 3× M.2

    ≈ €139est.
  • ram

    G.Skill Trident Z Royal Silver DDR4-3200 CL14 128GB (4x32GB)

    128 GB DDR4 · 3200 MT/s

    ≈ €258est.
  • case

    Fractal Design Meshify C ATX Mid Tower Black

    ATX/MATX/ITX · 2× 3.5″

    €94
  • cooling

    Thermalright Le Grand Macho Air 159mm Fanless

    passive · 150 W TDP

    ≈ €35est.
  • psu

    Mistel MX650 Black FANLESS ATX 650W Fully Modular 80+ Platinum

    650 W · platinum · modular

    ≈ €97est.
  • storage

    Rocket Q NVMe SSD

    NVME · 8 TB

    €122
  • gpu

    NVIDIA RTX PRO 4000 Blackwell 24GB

    24 GB VRAM · 140 W · CUDA

    ≈ €1,800est.
Total≈ €2,732

WisePC puede recibir una comisión de estos enlaces. Esto nunca cambia la recomendación.

The verdict

Based on your goals you need roughly 12 CPU threads, 80GB RAM and 4TB of storage with ai GPU capability. This system runs 24/7, so energy matters. Recommended: the Value build — most for your money — 2732€ purchase, ~58W idle, ~285€/year energy (≈855€ over 3 years). Intel Core i5 14400F: 16 threads covers the 12 needed with headroom. Motherboard Intel Z790 (LGA 1700): matches the CPU socket and case size. RAM: 128GB DDR4 — meets the 80GB the workload requires. NVIDIA RTX PRO 4000 Blackwell 24GB: 24GB VRAM selected for your ai GPU need. Chose Intel Core i5 14400F over AMD Ryzen 5 5600T OEM/Tray: better overall fit for your priorities. Build DNA: performance 83, value 60, efficiency 52, expandability 100, silence 95, longevity 100 — overall 72/100. Heads-up: Total (2732€) exceeds your budget (2500€) by 232€ (9%). Ranking already prefers in-budget variants — this one is shown for comparison; check the value variant or raise the budget. What limits you first: CPU. Alternatives: Smart build — best all-round — 8315€, DNA 78/100, balanced · Long-term build — expandable & future-proof — 2893€, DNA 88/100, balanced · Performance build — maximum capability — 8315€, DNA 77/100, balanced.

Por qué este build

  • Intel Core i5 14400F: 16 threads covers the 12 needed with headroom.
  • Motherboard Intel Z790 (LGA 1700): matches the CPU socket and case size.
  • RAM: 128GB DDR4 — meets the 80GB the workload requires.
  • NVIDIA RTX PRO 4000 Blackwell 24GB: 24GB VRAM selected for your ai GPU need.
  • Chose Intel Core i5 14400F over AMD Ryzen 5 5600T OEM/Tray: better overall fit for your priorities.

Quién debería elegirlo

  • The lowest total price (2732€) that still covers this workload properly — best price/quality ratio.

Por qué no la alternativa

  • Value build — most for your money beats "Smart build — best all-round" on performance -17, value +60, efficiency +52 — that is why it is recommended for your priorities.
  • Value build — most for your money beats "Long-term build — expandable & future-proof" on efficiency +15 — that is why it is recommended for your priorities.

Qué sacrifica

  • No ECC memory — fine for home use, less ideal for bit-rot-sensitive archives.
  • Expansion headroom is trimmed: parts are chosen for price per capability.

Plano del sistema

El sistema en su conjunto — antes de la lista de la compra.

diy · tower build on LGA 1700 + Intel Z790

Plano del sistema

El sistema en su conjunto — antes de la lista de la compra.

Misión

  • Local AI inference· principal · 1 usuarios
  • Code assistant (local LLM)· secundario · 1 usuarios
  • Model training / fine-tuning· secundario · 1 usuarios

Restricciones

Presupuesto
€2,500
Prioridad de energía
3/10
Prioridad de ruido
2/10
Prioridad de expansión
5/10

Arquitectura recomendada

diy · tower build on LGA 1700 + Intel Z790

Cómputo
Intel Core i5 14400F
Memoria
G.Skill Trident Z Royal Silver DDR4-3200 CL14 128GB (4x32GB)
Almacenamiento
Rocket Q NVMe SSD
Red
2.5G onboard
Refrigeración
Thermalright Le Grand Macho Air 159mm Fanless
Fuente
Mistel MX650 Black FANLESS ATX 650W Fully Modular 80+ Platinum
Expansión
1× PCIe, 2× M.2, 4× SATA, 2 bay

¿Por qué estoy pagando en realidad?

Dividimos tu build en el rendimiento que necesitas, el que compras y el que probablemente usarás a diario. Cuando la brecha es grande, estás comprando de más.

BALANCED — el build está dimensionado cerca de lo que la carga requiere.

BALANCED — el build está dimensionado cerca de lo que la carga requiere.

Rendimiento que necesitoRendimiento que comproProbablemente usaré
Hilos de CPU12168
RAM8012864
Almacenamientooverbuy484
VRAM de GPU242424
Red2.5G1.0G1.0G

Qué significa

  • The build is sized close to what the workload requires.

Puntuación y riesgos

Una puntuación de solidez futura explicable, el Homelab Risk Score, una auditoría final antes de comprar y qué se convertirá en el factor limitante con el tiempo.

74Riesgo moderado2

Puntuación de solidez futura

Solidez futura sólida

74

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.

Expansion76

Expansion headroom: 1 PCIe slot(s), 2 M.2, 4 SATA, 2 drive bay(s), 0 RAM slot(s) free.

Storage growth90

Storage is 50% utilized with 2 free drive bay(s) and 4 free SATA port(s).

Memory growth20

0 RAM slot(s) free; memory is 63% 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

Riesgo moderado

37

Moderate risk (37/100) — a few items are worth fixing before you commit (see checklist).

Single point of failure

Riesgo: critical

All data sits on a single drive with no redundancy — one failure means total loss.

Solución: Add at least a mirror (RAID 1/ZFS mirror) for irreplaceable data, or an additional parity drive for larger arrays.

Storage risk

Riesgo: low

Solid-state storage — no moving parts, low mechanical failure risk.

Solución: For an always-on system, prefer NAS/CMR-rated drives; monitor SMART and replace before the warranty ends.

Data loss risk

Riesgo: high

1 drive(s) with no redundancy — a single SSD/controller failure can still lose data.

Solución: Add redundancy and an off-site/off-box backup for anything irreplaceable.

Power risk

Riesgo: low

PSU is 650W, peak load 263W (40%).

Solución: PSU sizing leaves healthy headroom for spikes and future parts.

Network risk

Riesgo: low

Single 2500 Mbps NIC — a switch/port failure takes the box fully offline, and multi-user media can saturate 2500 Mbps.

Solución: Consider a second NIC or a managed switch; for heavy media, plan for 2.5/10G before the build.

Expansion risk

Riesgo: low

1 PCIe, 2 M.2, 4 SATA, 2 bays free.

Solución: Healthy room for future drives, NICs and accelerators.

Upgrade risk

Riesgo: low

2024 platform — current generation with a forward-looking socket/feature set.

Solución: Buy for the workload, not the socket — upgrade paths are a bonus, not a guarantee.

Auditoría final del build

Audit found 2 critical and 0 warning item(s) worth fixing before you buy.

2 Crítico0 Advertencia0 Optimización2 Opcional2 Futuro

Check the balance

Crítico

Total (2732€) exceeds your budget (2500€) by 232€ (9%). Ranking already prefers in-budget variants — this one is shown for comparison; check the value variant or raise the budget.

Acción: Reconsider the config for the stated workload or budget before buying.

Categoría: balance

No storage redundancy

Crítico

1 drive(s) with no mirror or parity for the data you plan to store.

Acción: Add at least a mirror for irreplaceable data before you migrate anything.

Categoría: storage

Add a UPS

Opcional

An always-on server holding data should survive power blips.

Acción: Add an online/line-interactive UPS sized to the build's idle draw.

Categoría: power

Keep a backup off-box

Opcional

Redundancy inside the box does not survive fire, theft or a whole-array fault.

Acción: Mirror the important data to an external drive, a second box, or cloud.

Categoría: storage

Drive bays remain

Futuro

2 drive bay(s) free for future capacity.

Acción: Expand capacity in pairs (mirror/parity) when needed.

Categoría: storage

PCIe slot available

Futuro

1 free PCIe slot(s) for a NIC, HBA or GPU later.

Acción: Use it for a 10G NIC, extra HBA, or an accelerator when the need appears.

Categoría: expansion

Qué se convierte en el límite

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

Horizonte: 1-2y

RAM is maxed out

Por qué: All RAM slots are used and the workload already sits at 63% — the next memory need means replacing kits or a new build.

Qué hacer: Buy a single larger kit now, or plan the RAM for the full lifecycle.

Horizonte: 3-5y

Storage growing

Por qué: 50% of capacity in use — comfortable today, tighter over a few years.

Qué hacer: Plan the growth curve; keep at least one bay free for the next drive.

Qué te limita primero

CPU is the closest to its limit (75% of capacity in use) — it will likely force the next upgrade.

Próximas actualizaciones

  1. 1Upgrade cpu to Intel Core i7 13700K
  2. 2Upgrade storage to Western Digital Purple Pro 12TB HDD 3.5" SATA

Otros builds a considerar

Variantes alternativas que el motor generó para el mismo escenario; toca una para ver sus piezas.

Smart build — best all-round

tower build on LGA 1851 + Intel B860 · Reposo 117 W · balanced

≈ €8,315

Reposo
117 W
Típico
350 W
Energía / año
≈ €767
RolComponenteCant.PrecioComprar
cpuIntel Core Ultra 7 270K Plus1€474
motherboardAsus B860 PRIME B860M-A LGA1851 DDR5 Micro ATX1€190
ramKingston FURY Renegade Pro Registered Black DDR5-6400 CL32 128GB (4x32GB)1≈ €425
caseFractal Design Meshify C ATX Mid Tower Black1€94
coolingThermalright Le Grand Macho Air 159mm Fanless1≈ €35
psube quiet! DARK POWER 14 1000W1≈ €135
storageRocket Q NVMe SSD1€122
gpuNVIDIA RTX PRO 6000 Blackwell Workstation Edition 96GB GDDR71≈ €6,840
Total:≈ €8,315

Long-term build — expandable & future-proof

tower build on LGA 2066 + Intel X299 · Reposo 75 W · balanced

≈ €2,893

Reposo
75 W
Típico
167 W
Energía / año
≈ €366
RolComponenteCant.PrecioComprar
cpuIntel Core i7 7820X1≈ €224
motherboardGigabyte X299 AORUS Gaming 3 Pro LGA2066 DDR4 ATX1≈ €203
ramCorsair Vengeance LPX Black / Yellow DDR4-4000 CL19 128GB (8x16GB)1≈ €258
caseFractal Design Meshify C ATX Mid Tower Black1€94
coolingThermalright Le Grand Macho Air 159mm Fanless1≈ €35
psuAsus ROG Thor P3 Hatsune Miku Edition Blue / Pink 1200W Fully Modular 80+ Platinum Certified1≈ €157
storageRocket Q NVMe SSD1€122
gpuNVIDIA RTX PRO 4000 Blackwell 24GB1≈ €1,800
Total:≈ €2,893

Performance build — maximum capability

tower build on LGA 1851 + Intel B860 · Reposo 117 W · balanced

≈ €8,315

Reposo
117 W
Típico
350 W
Energía / año
≈ €767
RolComponenteCant.PrecioComprar
cpuIntel Core Ultra 7 270K Plus1€474
motherboardAsus B860 PRIME B860M-A LGA1851 DDR5 Micro ATX1€190
ramKingston FURY Renegade Pro Registered Black DDR5-6400 CL32 128GB (4x32GB)1≈ €425
caseFractal Design Meshify C ATX Mid Tower Black1€94
coolingThermalright Le Grand Macho Air 159mm Fanless1≈ €35
psube quiet! DARK POWER 14 1000W1≈ €135
storageRocket Q NVMe SSD1€122
gpuNVIDIA RTX PRO 6000 Blackwell Workstation Edition 96GB GDDR71≈ €6,840
Total:≈ €8,315

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