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Best Arr media automation server

A home server built for Jellyfin streaming with the *Arr automation stack (Sonarr/Radarr/Prowlarr) — hands-off downloads, transcoding and multi-user streaming.

Recommended build

Value build — most for your money

Architecture: tower build on LGA 1700 + Intel B760

≈ €1,736

Total

  • CPU threads8
  • RAM42 GB
  • Storage32 TB
  • GPUdedicated
Performance
78
Value
78
Efficiency
60
Expandability
66
Silence
95
Longevity
98
Reliability
60
Overall
78
Idle
50 W
Typical
121 W
Peak
252 W
Energy / year
≈ €264

Assessmenttight_on_cpu

Parts & prices

  • cpu

    Intel Core i3 14100F

    4C/8T · 4.7 GHz · LGA 1700 · 58 W

    €108
  • motherboard

    ASUS B760M-AYW WIFI D4 II

    Intel B760 · MATX · 2× M.2

    €136
  • ram

    Corsair Vengeance LPX Black DDR4-4000 CL18 64GB (2x32GB)

    64 GB DDR4 · 4000 MT/s

    ≈ €137est.
  • 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
  • storage

    Seagate Exos M 32TB 3.5" HDD 7200RPM SATA 6.0 Gb/s

    3.5 HDD · 32 TB

    ≈ €704est.
  • gpu

    ASRock Intel Arc B570 Challenger 10GB GDDR6 OC

    10 GB VRAM · 150 W

    €303
Total≈ €1,736

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The verdict

Based on your goals you need roughly 8 CPU threads, 42GB RAM and 32TB of storage with dedicated GPU capability. This system runs 24/7, so energy matters. Recommended: the Value build — most for your money — 1736€ purchase, ~50W idle, ~264€/year energy (≈793€ over 3 years). Intel Core i3 14100F: 8 threads covers the 8 needed with headroom. Motherboard Intel B760 (LGA 1700): matches the CPU socket and case size. RAM: 64GB DDR4 — meets the 42GB the workload requires. ASRock Intel Arc B570 Challenger 10GB GDDR6 OC: 10GB VRAM selected for your dedicated GPU need. Chose Intel Core i3 14100F over Intel Core i3 13100T OEM/Tray: better overall fit for your priorities. Build DNA: performance 78, value 78, efficiency 60, expandability 66, silence 95, longevity 98 — overall 78/100. Heads-up: Total (1736€) exceeds your budget (1200€) by 536€ (45%). Ranking already prefers in-budget variants — this one is shown for comparison; check the value variant or raise the budget. This build may struggle with the stated workload. What limits you first: CPU. Alternatives: Smart build — best all-round — 1818€, DNA 88/100, balanced · Long-term build — expandable & future-proof — 2460€, DNA 90/100, balanced.

Why this build

  • Intel Core i3 14100F: 8 threads covers the 8 needed with headroom.
  • Motherboard Intel B760 (LGA 1700): matches the CPU socket and case size.
  • RAM: 64GB DDR4 — meets the 42GB the workload requires.
  • ASRock Intel Arc B570 Challenger 10GB GDDR6 OC: 10GB VRAM selected for your dedicated GPU need.
  • Chose Intel Core i3 14100F over Intel Core i3 13100T OEM/Tray: better overall fit for your priorities.

Who should choose it

  • The lowest total price (1736€) that still covers this workload properly — best price/quality ratio.

Why not the alternative

  • Value build — most for your money beats "Smart build — best all-round" on performance -22, expandability -34 — that is why it is recommended for your priorities.
  • Value build — most for your money beats "Long-term build — expandable & future-proof" on performance -22, value +13, efficiency +5, expandability -34 — that is why it is recommended for your priorities.

What it sacrifices

  • 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.

System blueprint

The system as a whole — before the shopping list.

diy · tower build on LGA 1700 + Intel B760

System blueprint

The system as a whole — before the shopping list.

Mission

  • Jellyfin· primary · 2 users
  • Media downloader (Arr stack)· secondary · 1 users
  • Multi-user media· secondary · 2 users

Constraints

Budget
€1,200
Storage
16 TB (mirror)
Energy priority
5/10
Noise priority
3/10
Expansion priority
5/10

Recommended architecture

diy · tower build on LGA 1700 + Intel B760

Compute
Intel Core i3 14100F
Memory
Corsair Vengeance LPX Black DDR4-4000 CL18 64GB (2x32GB)
Storage
Rocket Q NVMe SSD, Seagate Exos M 32TB 3.5" HDD 7200RPM SATA 6.0 Gb/s
Networking
2.5G onboard
Cooling
Thermalright Le Grand Macho Air 159mm Fanless
Power
Mistel MX650 Black FANLESS ATX 650W Fully Modular 80+ Platinum
Expansion
1× PCIe, 1× M.2, 3× SATA, 1 bay

What am I actually paying for?

We split your build into the performance you need, the performance you're buying, and the performance you're likely to use day-to-day. When the gap is wide, you're overbuying.

The build is tight on resources for the stated workload — it may struggle under load.

The build is tight on resources for the stated workload — it may struggle under load.

Performance I needPerformance I buyLikely to use
CPU threads888
RAM426433
Storage324032
GPU VRAM8108
Network2.5G1.0G2.5G

What this means

  • The build is tight on resources for the stated workload — it may struggle under load.

Scoring & Risk

An explainable future-proof score, the Homelab Risk Score, a final pre-purchase audit and what will become the limiting factor over time.

64Low risk3

Future-proof score

Balanced future-proofing

64

Balanced future-proofing (64/100) — it covers today's workload with some room, but one or two factors will push you to upgrade sooner.

Upgrade path75

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

Expansion50

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

Storage growth70

Storage is 80% utilized with 1 free drive bay(s) and 3 free SATA port(s).

Memory growth20

0 RAM slot(s) free; memory is 66% 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 change65

A 10GB GPU is present — AI and transcoding workloads are covered.

Homelab Risk Score

Low risk

13

Low risk (13/100) — sensible redundancy and headroom; no single point of failure is exposed.

Single point of failure

Risk: low

Storage has redundancy (mirror) — a single drive failure does not take the array down.

Fix: Continue a 3-2-1 backup strategy; redundancy is not a backup.

Storage risk

Risk: medium

1 desktop hard drive(s) — not rated for 24/7 duty, vibration or heat; higher long-run failure risk.

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

Data loss risk

Risk: low

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.

Power risk

Risk: low

PSU is 650W, peak load 252W (39%).

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

Network risk

Risk: low

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.

Expansion risk

Risk: low

1 PCIe, 1 M.2, 3 SATA, 1 bays free.

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

Upgrade risk

Risk: low

2024 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 Critical0 Warning1 Optimization2 Optional2 Future

Check the balance

Critical

Total (1736€) exceeds your budget (1200€) by 536€ (45%). Ranking already prefers in-budget variants — this one is shown for comparison; check the value variant or raise the budget.

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

Category: balance

Check the balance

Critical

This build may struggle with the stated workload.

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

Category: balance

CPU close to the limit

Critical

The workload uses 100% of the CPU — little headroom for background tasks or growth.

Action: Consider a stronger CPU or drop a secondary workload.

Category: compute

Use NAS-rated drives

Optimization

Desktop drives in an always-on NAS/server role have higher long-run failure rates.

Action: Prefer NAS/CMR-rated drives for 24/7 duty.

Category: storage

Add a UPS

Optional

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

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

Category: power

Keep a backup off-box

Optional

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.

Category: storage

Drive bays remain

Future

1 drive bay(s) free for future capacity.

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

Category: storage

PCIe slot available

Future

1 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.

Category: expansion

What becomes the limit

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

Horizon: 1-2y

RAM is maxed out

Why: All RAM slots are used and the workload already sits at 66% — 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.

Horizon: 1-2y

Storage nearly full

Why: 80% of raw capacity is already in use — media libraries and backups grow fast.

What to do: Expanding is easy: add a drive to the free bays/ports.

Horizon: 1-2y

CPU is the next bottleneck

Why: The CPU runs at 100% 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.

What limits you first

CPU is the closest to its limit (100% of capacity in use) — it will likely force the next upgrade.

Smart next upgrades

  1. 1Upgrade cpu to Intel Core i5 13400F
  2. 2Upgrade gpu to MSI GeForce RTX 4070 VENTUS 2X WHITE 12G OC GDDR6X
  3. 3Upgrade storage to Western Digital Purple Pro 12TB HDD 3.5" SATA
  4. 4Upgrade storage to Seagate Exos M 36TB 3.5" HDD 7200RPM SATA 6.0 Gb/s

Other builds to consider

Runner-up variants the engine generated for the same scenario — tap one to see its parts.

Smart build — best all-round

tower build on LGA 1700 + Intel Z790 · Idle 51 W · balanced

≈ €1,818

Idle
51 W
Typical
124 W
Energy / year
≈ €271
RoleComponentQtyPriceBuy
cpuIntel Core i5 14400F1€187
motherboardGigabyte Z790 AORUS ELITE AX DDR4 ATX1≈ €139
ramCorsair Vengeance LPX Black DDR4-4000 CL18 64GB (2x32GB)1≈ €137
caseFractal Design Meshify C ATX Mid Tower Black1€94
coolingThermalright Le Grand Macho Air 159mm Fanless1≈ €35
psuMistel MX650 Black FANLESS ATX 650W Fully Modular 80+ Platinum1≈ €97
storageRocket Q NVMe SSD1€122
storageSeagate Exos M 32TB 3.5" HDD 7200RPM SATA 6.0 Gb/s1≈ €704
gpuASRock Intel Arc B570 Challenger 10GB GDDR6 OC1€303
Total:≈ €1,818

Long-term build — expandable & future-proof

tower build on LGA 2066 + Intel X299 · Idle 55 W · balanced

≈ €2,460

Idle
55 W
Typical
124 W
Energy / year
≈ €273
RoleComponentQtyPriceBuy
cpuIntel Core i7 7820X1≈ €224
motherboardGigabyte X299 AORUS Gaming 3 Pro LGA2066 DDR4 ATX1≈ €203
ramCorsair Vengeance LPX Black DDR4-4000 CL18 64GB (2x32GB)1≈ €137
caseFractal Design Meshify C ATX Mid Tower Black1€94
coolingThermalright Le Grand Macho Air 159mm Fanless1≈ €35
psuSeaSonic PRIME Fanless Black 700W Fully Modular 80+ Titanium Certified1€281
storageRocket Q NVMe SSD1€122
storageSeagate Exos M 32TB 3.5" HDD 7200RPM SATA 6.0 Gb/s1≈ €704
gpuIntel Arc Pro B50 16GB1≈ €660
Total:≈ €2,460

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