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Green rectangular PCB with four horizontal M.2 slots and a gold PCIe x16 edge connector

RIITOP

RIITOP Quad M.2 NVMe to PCIe 16x Adapter expansion card

SKU CH-G3EX-03NJE

Adds four M.2 NVMe SSDs via one PCIe 4.0 x16 slot, delivering 4×32 Gbps when the motherboard supports x4x4x4x4 bifurcation

  • TypeController Card
  • Add four NVMe drives at full 32 Gbps each
  • Works with PCIe 3.0 and 4.0 x16 slots
  • Supports 2230, 2242, 2260 and 2280 M-key SSDs
  • Requires motherboard PCIe x16 bifurcation set to x4x4x4x4
  • Compatible with Windows, Mac OS and Linux

RIITOP Quad M.2 NVMe PCIe 16x Adapter

This RIITOP adapter converts a single PCIe 16x slot into four M.2 NVMe drive positions. It delivers 4x32Gbps bandwidth across all ports and works with Windows, Mac OS and Linux. The card requires a motherboard that supports PCIe bifurcation set to x4x4x4x4 mode.

Suits builders with bifurcation-capable boards

Ideal for users whose motherboard and CPU provide enough lanes to split a 16x slot into four 4x links. Not for systems lacking BIOS bifurcation support or CPUs with insufficient lane count. SATA-based M.2 drives cannot be used on this card.

Requires PCIe x16 bifurcation to x4x4x4x4

The single decisive specification is that the motherboard must support PCIe 16x bifurcation configurable as x4x4x4x4 in BIOS. Without this setting the four NVMe drives will not all be detected.

Highlights

  • Add four NVMe drives at full 32 Gbps each
  • Works with PCIe 3.0 and 4.0 x16 slots
  • Supports 2230, 2242, 2260 and 2280 M-key SSDs
  • Requires motherboard PCIe x16 bifurcation set to x4x4x4x4
  • Compatible with Windows, Mac OS and Linux

Specifications

TypeController Card

Questions about this item

How do I confirm the card is running at full 4x32Gbps speed after installation?

Verify each M.2 NVMe drive appears in the OS and run a sequential read test; you should see combined throughput approaching the 32Gbps per port limit when the motherboard is set to x4x4x4x4 bifurcation.

What comes in the box and what must I supply myself?

The package includes the quad adapter card, a screwdriver and mounting screws; you must provide four M-key NVMe SSDs in 22mm widths of 30, 42, 60 or 80mm and a motherboard with a PCIe 3.0 or 4.0 x16 slot that supports x4x4x4x4 bifurcation.

Which M.2 lengths does this adapter accept and which should I choose?

The card fits 22mm-wide M-key NVMe drives in 30mm, 42mm, 60mm and 80mm lengths; pick the length that matches your SSD — 80mm is the most common for full-size drives.

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