Overview

The ASUS Hyper M.2 X16 Gen4 is a PCIe 4.0 x16 expansion card that lets you install up to four NVMe M.2 SSDs on a single slot. If your motherboard supports PCIe lane bifurcation (x4x4x4x4), this card unlocks massive high-speed storage capacity. Ideal for creative professionals, gamers who need fast load times, and anyone building a high-performance storage array.

Key Features

  • Four M.2 slots, each running at PCIe 4.0 x4
  • Supports M.2 sizes 2242, 2260, 2280, and 22110
  • Integrated heatsink keeps SSDs cool under load
  • PCIe 4.0 x16 interface (requires bifurcation for full x4x4x4x4 operation)
  • Tool-free design for easy SSD installation and removal

Compatibility Guide

This card requires a motherboard that supports PCIe bifurcation (x4x4x4x4) on a CPU-attached x16 slot. Compatible chipsets include Intel Z690/Z790, AMD X570/B550/X670, and newer. Use the primary PCIe x16 slot connected directly to the CPU for best performance. The card occupies a dual-slot width, so check your case clearance before installation.

Ideal Builds

  • Creative workstations needing multiple fast NVMe drives (video editing, 3D rendering)
  • Gaming PCs that want RAID arrays for ultra-fast load times
  • Virtualization or database servers requiring separate storage lanes
  • Users with motherboards that have limited M.2 slots

Upgrade Considerations

Without bifurcation support, the card may not work or will be limited to a single drive. When fully populated with four PCIe 4.0 SSDs, the total bandwidth is shared across the x16 link (approx. 32 GB/s), so simultaneous heavy access may be bottlenecked by CPU lane allocation. Avoid overkill: if your motherboard already has enough M.2 slots, you probably don't need this card. Add it only when you've exhausted onboard M.2 capacity.