Minisforum HX99G 6600M
Minisforum

HX99G 6600M

CPU r9 6900HX
GPU 6600M
Max RAM 64GB
Drives 2
From $730
Seller Newegg

The Minisforum HX99G 6600M is a mini PC powered by the AMD r9 6900HX (Zen 3+ gen). It features 8 performance cores and 16 threads and a soldered CPU. Graphics are handled by the discrete AMD 6600M. Supports up to 64GB of RAM across 2 slots at 6000 MT/s. Storage capacity of up to 2 drives including 2 NVMe. Connectivity includes USB4 40Gbps, HDMI 2.1. Networking features 1 Ethernet port (up to 2.5G). Dimensions: 205 × 203 × 69mm (2.87L). Uses a Custom PSU, 145W TDP.

CPU & Performance

CPUr9 6900HX
GenerationZen 3+
P-Cores8
Threads16
Single-core66
Multi-core36
Socket0

GPU

GPU6600M
Discrete GPUYes
Integrated GPUYes
eGPU supportNo

RAM

Max RAM64GB
RAM slots2
Max speed6000 MT/s
ECC supportNo

Storage

Max drives2
NVMe slots2
Gen4 x42
SD cardNo

Ports & Connectivity

HDMI 2.12
USB4 40Gbps2
Max displays4

Network

Max Ethernet1G
2.5G ports1
vProN

Physical

Dimensions205 × 203 × 69 mm
Volume2.87L
Fan size90mm
Warranty2 yr

Power

TDP145W
PSU typeCustom

Pricing

32GB / 1TB$730
64GB / 1TB$800

Additional

Recommended for gaming, GPU-accelerated creative work, 3D or graphics-heavy tasks, and larger multitasking workloads. Consider Minisforum HX99G 6600M if you want a small-form-factor mini PC built around its listed AMD r9 6900HX processor and AMD 6600M discrete GPU plus integrated graphics. It is a stronger fit when the listed CPU, GPU, connectivity, and expansion features match your workload requirements.

Minisforum HX99G 6600M features AMD r9 6900HX with AMD 6600M discrete GPU plus integrated graphics, offering 1× 2.5G Ethernet and USB4 and HDMI 2.1. CPU details include Zen 3+ CPU generation, 8 performance cores, and 16 threads. Memory support includes up to 64GB RAM across 2 slots at 6000 MT/s. Storage support includes up to 2 storage drives including 2 NVMe SSD slots and 2× PCIe Gen4 x4 NVMe. Display support includes support for up to 4 displays. Port connectivity includes 2× USB4 40Gbps and 2× HDMI 2.1. Networking includes 1× 2.5G Ethernet. Physical design includes a 205 × 203 × 69 mm chassis (2.87L). Cooling information lists 90 mm main fan and 90 mm secondary fan. Power information lists Custom power supply and 145W TDP. Lifecycle information lists 2-year warranty and release date listed as 10-Feb-2023.

The overall score is not populated for Minisforum HX99G 6600M, so this model should be evaluated by the listed hardware specifications rather than by a ranked dataset position.

Review Summary

Reviews of the Minisforum HX99G describe it as a compact gaming mini PC with strong AMD CPU performance and Radeon RX 6600M/6650M-class discrete graphics. Reviewers praise its 1080p gaming performance, quiet operation, and upgradeable RAM/storage, making it stronger for gaming than integrated-GPU mini PCs.

Notes

Oct 15 2024: HDMI seems to work with 4k 120hz but not official hdmi 2.1 https://www.reddit.com/r/MiniPCs/s/7SVKKAxCeI. Jul 14 2024: $750 to $580. April 17 2024: $645 to $623. Mar 2 2024: $665 to $645. Feb 4 2024: $615 to $665. Dec 13: $730 to $615. Oct 5: Rare but failing proprietary PSU still ongoing. July 2: several cases of failed power supplies. June 5: $930 to $730, Case is difficult to open. May 6: Minisforum has corrected the USB4 spec to say 8k60hz meaning it is indeed a 40gbps port. April 12: Spec sheet says USB4 ports are 4k 60hz meaning 20gbps not 40gbps or the specs are inaccurate, Supports RAM overclocking. 6600m tdp varies 50-100W, $840 to $930 Mar. 26, user reported 4k@144hz working April 16: https://www.reddit.com/r/MiniPCs/comments/12nlp6b/hx99g_hdmi_21/?utm_source=share&utm_medium=android_app&utm_name=androidcss&utm_term=1&utm_content=share_button

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