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Green circuit board with four M-key M.2 slots spaced along its length, full-height PCIe bracket, no drives installed

RIITOP

RIITOP Quad NVMe PCIe Expansion Card 4x M.2 22mm

SKU CH-BXFQ-4KD89

Adds four M-key NVMe SSDs via a single PCIe 4.0 or 3.0 x16 slot that supports x4x4x4x4 bifurcation

  • Product typeController Card
  • Add four NVMe drives through one x16 slot
  • PCIe 4.0 or 3.0 x16 interface supports full 32Gbps per drive
  • Requires motherboard with PCIe x16 bifurcation set to x4x4x4x4
  • Accepts M-key NVMe SSDs in 22mm widths from 30mm to 80mm
  • Compatible with most server boards and X299 or X399 platforms

Four-drive NVMe expansion card

The RIITOP adapter installs in a PCIe 4.0 or 3.0 x16 slot and presents four M-key NVMe slots. It accepts 80x22mm, 60x22mm, 42x22mm and 30x22mm drives. The host motherboard must support PCIe x16 bifurcation set to x4x4x4x4 and the CPU must provide enough lanes. SATA-based B+M key SSDs are not supported.

Sustained-load behaviour

Each drive can run at the full 32Gbps link speed when the platform meets the bifurcation and lane requirements. Throughput scales with the number of active SSDs and the PCIe generation of the slot. Workloads that saturate multiple drives simultaneously will be limited by the shared x16 uplink and the CPU lane budget.

Thermals, noise and power

The card is a passive PCB with no onboard cooling or fans, so it adds no acoustic noise. Drive temperatures depend entirely on case airflow and any heatsinks fitted to the individual SSDs. Power draw is limited to the slot supply and the combined consumption of the installed NVMe devices.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $19.99
Cheaper than about 70% of the 891 comparable items (median $30.99).

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Specifications

Product
Product typeController Card

Questions about this item

Does the card generate noticeable heat or draw extra power when all four NVMe drives run continuously?

The adapter is a passive PCB with no onboard controller or fan; thermal load and power draw come from the SSDs themselves, so airflow over the M.2 slots is the only cooling needed.

What motherboard feature must I already have to use this quad NVMe adapter?

You need a PCIe 3.0 or 4.0 x16 slot and a motherboard that supports PCIe x16 bifurcation configurable as x4/x4/x4/x4, plus a CPU with enough lanes to feed all four drives.

Will this card work alongside an older X299 or X399 platform I plan to keep?

Yes, most server and HEDT boards based on X299 or X399 chipsets support the required x16 bifurcation, so the adapter can run four NVMe SSDs at full 32 Gbps each on those platforms.

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