Product Price RAM (GB) Storage Size (TB) CPU Model Expandable Storage Slots Dimensions (mm (LxWxH)) USB Ports Operating System
GMKtec G10 AMD Ryzen 5 3500U Mini PC
US
£103.51 16GB or 32GB, up to 64GB 512GB or 1TB AMD Ryzen 5 3500U 2× M.2 2280 PCIe 3.0×4 SSD slots, up to 16TB 103 × 98 × 42 mm 2× USB 3.2 Gen1, 1× USB 2.0, 1× USB-C with PD DP and USB 3.2, 1× USB-C with PD Windows 11 Pro

The GMKtec G10 is a compact mini PC with an AMD Ryzen 5 3500U processor, dual SO-DIMM memory slots, and two M.2 SSD slots. It suits home-office users and light multitasking, especially those who need triple-display support and substantial storage expansion.

★ Ideal for

This model suits buyers seeking a mini PC with expandable storage under $200 because it supports two M.2 2280 SSDs with expansion up to 16TB and has a listed barebone price below $200.

BMAX B1Plus Mini PC Intel Celeron J3355 6GB RAM 128GB eMMC
US
£125.69 6GB LPDDR3 128GB eMMC Intel Celeron J3355 1x M.2 2280 SATA and 1x M.2 2280 PCIe NVMe 108mm x 105mm x 36mm 2x USB 3.0 and 2x USB 2.0 Windows 11 Home

The BMAX B1 Plus is a compact mini PC with an Intel Celeron J3355 processor, 6GB of RAM, and 128GB of eMMC storage. Its dual M.2 expansion slots make it suitable for basic home, office, browsing, streaming, and storage-upgrade needs.

★ Ideal for

It suits buyers seeking a mini PC with expandable storage under $200 because it costs 169.99 USD from the official retailer and includes both M.2 SATA and M.2 NVMe slots.

GMKtec G5 Intel N97 Mini PC
US
£4931841.51 12GB DDR5 256GB SSD Intel Alder Lake N97 1 x M.2 2242 SATA slot; 1 x Micro SD card slot 7.2 x 7.2 x 4.4 cm 3 x USB 3.2 Type-A; 1 x USB-C power-only Windows 11 Pro

The GMKtec G5 is a very compact mini PC with an Intel Alder Lake N97 processor, 12GB of DDR5 memory, and a 256GB SSD. Its M.2 SATA slot and Micro SD card slot provide useful storage expansion for home users, office work, media playback, and light computing.

★ Ideal for

It suits shoppers seeking a mini PC with expandable storage under $200 because it includes a replaceable M.2 2242 SATA slot supporting storage upgrades up to 2TB, plus a Micro SD card slot, although the listed retailer price is above $200.

Firefly Station M2 ARM Mini PC 2GB RAM 32GB ROM
US
£93.46 2GB LPDDR4 32GB eMMC Rockchip RK3566 quad-core 64-bit ARM Cortex-A55 up to 1.8GHz 1 x M.2 PCIe 2.0 slot for 2242 NVMe SSD; 1 x TF card slot 93.8 mm x 65.0 mm x 15.8 mm 1 x USB 3.0 Type-A; 1 x USB 2.0 Type-A; 1 x USB Type-C OTG Android 11.0; Ubuntu 18.04; Buildroot + QT; Station OS

The Firefly Station M2 is a compact ARM mini PC with a quad-core RK3566 processor, 2GB of LPDDR4 memory, and 32GB of eMMC storage. Its M.2 SSD and TF card expansion options make it suitable for lightweight Linux, Android, media center, embedded, and basic desktop projects.

★ Ideal for

It suits buyers looking for a mini PC with expandable storage under 200 because the 169 USD 2GB/32GB model includes an M.2 2242 NVMe slot and TF card slot while remaining compact and power-efficient.