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Green PCB card with two M.2 slots and PCIe gold fingers

RIITOP

RIITOP Dual M.2 PCIe & SATA Expansion Card

SKU CH-ZKCA-J2537

Adds one B-key SATA and one M-key NVMe M.2 slot to a PCIe 3.0 x4 motherboard slot, supporting 2230 to 22110 lengths with a low-profile bracket included

  • TypePCI Express to M.2 Card
  • External USB PortsPCI Express
  • External PortsPCIe 3.0 x4 and SATA
  • Internal PortsM Key M.2 NVMe Slot + B Key M.2 NGFF Slot
  • StandardDual M.2 NGFF SATA and NVMe SSD Adapter Card
  • CompatibilitySupport 1*B Key and 1*M Key M.2 NGFF NVMe SSD.
  • Add two M.2 drives simultaneously with one B-key and one M-key slot
  • Fit five drive lengths from 2230 to 22110 using eight mounting holes
  • Connect to PCIe 3.0 x4, x8 or x16 slots for NVMe or SATA 3.0 operation
  • Install without extra power cables or driver software
  • Includes low-profile bracket and screwdriver for compact cases

Dual-slot M.2 adapter for desktop PCIe slots

This RIITOP add-in card puts one M-key slot and one B-key slot into a single PCIe 3.0 x4, x8 or x16 slot so a desktop can run an NVMe drive and a SATA M.2 drive together. It targets builders who need both drive types without occupying extra motherboard headers. The card ships with a low-profile bracket, a screwdriver and mounting screws for immediate use.

Key constraint — PCIe x4 or wider slot required

The adapter only works in PCIe x4, x8 or x16 slots; it will not function in an x1 slot. An M-key NVMe SSD connects directly through the PCIe lane while a B-key SATA SSD needs the included 7-pin SATA cable linked to the motherboard to reach its 6.0 Gb/s transfer ceiling. Both slots accept 2230, 2242, 2260, 2280 and 22110 form factors.

Driver-free install; watch for SATA cable

Installation is tool-assisted with the supplied screwdriver and eight mounting holes that match every supported length. No extra power connector is needed. The most common issues are forgetting the SATA data cable for B-key drives or trying to seat the card in an x1 slot, which the specification explicitly forbids. If the OS shows an exclamation mark, the SSD vendor’s NVMe driver must be installed.

Points forts

  • Add two M.2 drives simultaneously with one B-key and one M-key slot
  • Fit five drive lengths from 2230 to 22110 using eight mounting holes
  • Connect to PCIe 3.0 x4, x8 or x16 slots for NVMe or SATA 3.0 operation
  • Install without extra power cables or driver software
  • Includes low-profile bracket and screwdriver for compact cases

Caractéristiques

BrandRIITOP
Model2 Ports
TypePCI Express to M.2 Card
External USB PortsPCI Express
External PortsPCIe 3.0 x4 and SATA
Internal PortsM Key M.2 NVMe Slot + B Key M.2 NGFF Slot
StandardDual M.2 NGFF SATA and NVMe SSD Adapter Card
CompatibilitySupport 1*B Key and 1*M Key M.2 NGFF NVMe SSD.
Specifications1.Connects one B key & one M key NGFF SSD at the same time to PCI-E 4X motherboard. 2.Compliant with PCI Express M.2 specification 1.0. 3.Compliant with SATA 3.0 specification for B key. 4.Compliant with PCI-E 4X 3.0 specification for M key.
Features1. One NGFF B Key and one NGFF M key sockets available. 2. 8 screw holes 2230/2242/2260/2280/22110 available to fix NGFF SSD cards. 3.Easy installation & no driver required. 4.No additional power required.
Weight95g / 0.2 lb
Package Contents1x Dual M.2 PCIe & SATA Adapter Card(SSD in Pictures NOT Including). 1x Low Profile Bracket. 1x Screwdriver. Screws.

Questions sur cet article

What does the 6.0 Gb/s figure mean once the card is installed in a desktop?

The 6.0 Gb/s limit applies to the B-key SATA SSD slot, so a SATA M.2 drive will run at SATA 3.0 speeds rather than PCIe NVMe speeds.

Which interface standard caps the M-key slot in practice?

The M-key slot is limited to PCIe 3.0 x4 bandwidth, so an NVMe SSD cannot exceed that generation's throughput.

What physical space and mounting does the card need inside the case?

It requires a PCIe x4, x8 or x16 slot, includes a low-profile bracket, and provides screw holes for 2230, 2242, 2260, 2280 and 22110 mm M.2 lengths.

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