5 Things to Know About the ASRock DeskMini B660

Two M.2 NVMe slots One runs at PCIe 4.0 x4, the other at PCIe 3.0 x4. This doubles bandwidth for compatible SSDs over older DeskMini models.

PCIe 4.0 is the key upgrade The Gen 4 slot is the headline feature. It offers faster storage speeds for modern NVMe drives.

Still includes a 2.5-inch SATA bay You can add a traditional hard drive or SSD alongside the M.2 slots. This gives flexible storage options.

Best DeskMini for fast NVMe storage If you want high-speed SSDs in a tiny chassis, this is ASRock’s best option. Older models lack Gen 4 support.

Compact size remains unchanged The small form factor stays the same. You get more storage performance without a bigger case.