Specs & Power Consumption: Minisforum MS-A2 (Ryzen 9 9955HX)

Verified data AMD Ryzen 9 9955HX

Minisforum MS-A2 (Ryzen 9 9955HX): 25W idle and 140W under load (measured), 2x 10G SFP+ + 2x 2.5GbE, up to 96 GB RAM. No VESA: alternative mounting tips.

Technical specifications

Brand	Minisforum
Model	MS-A2
CPU	AMD Ryzen 9 9955HX
Max RAM	96 GB [source]
Network ports	2x 10G SFP+ + 2x 2.5GbE [source]
Dimensions	196 × 189 × 48 mm [source]
VESA mount	No unverified*

Power consumption & electricity cost

Idle [source]25 W

Under load [source]140 W

Estimated 24/7 average48.0 W

Yearly cost (€0.25/kWh)105.12 €

Average based on 80% of the time at idle and 20% under load, running 24/7: 420 kWh/year. Adjust the inputs to match your usage:

Energy: 420 kWh/year · Cost: 105.12 €/year (8.76 €/month)

Mounting & usage guide

Mounting

Footprint 196 × 189 mm, 48 mm tall (about 1.78 litres).
No VESA mount: place it on a shelf or a rack tray, or use a universal strap-style mini PC holder.

Cooling & heat

Under load it reaches about 140 W and the fan becomes audible. For an always-on server, lower the power limit (TDP) in the BIOS to cut heat and noise.
Clean dust from the vents every 6-12 months to keep temperatures and power draw low.

Recommended use cases

OPNsense or pfSense firewall/router: 2x 10G SFP+ + 2x 2.5GbE to split WAN, LAN and VLANs.
Proxmox VE with several VMs and LXC containers: up to 96 GB RAM.
Home lab with fast network storage: the 10G ports suit NAS, backups and Proxmox clusters.
Heavy office work, light photo/video editing and intensive multitasking.

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Data sources

Idle power: 25 W — servethehome.com (measured review, checked on 2026-06-02)
Load power: 140 W — servethehome.com (measured review, checked on 2026-11-06)
Dimensions: 196 × 189 × 48 mm — store.minisforum.com (official source, checked on 2026-11-06)
Max RAM: 96 GB — store.minisforum.com (official source, checked on 2026-11-06)
Network ports: 2x 10G SFP+ + 2x 2.5GbE — store.minisforum.com (official source, checked on 2026-11-06)

Unverified values*: VESA support.

* Value not verified by a reliable source: collected with an AI assistant and not yet confirmed by an official spec sheet or a measurement.

Real-world power draw varies with OS, RAM, drives, peripherals and BIOS settings.