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Dual M.2 PCIe NVMe Adapter, Support 2 x M.2 PCIe 3.0 SSD, No PCIe Bifurcation Required, PCI Express 3.0 X4 Card

Model: PA20
1) Add 2 x M.2 PCIe (NVMe or AHCI) SSDs onto a single PCIe X4 adapter
2) ASMedia ASM2812 PCIe 3.0 Switch
3) Applicable with 2230/2242/2260/2280/22110 size M.2 PCIe SSD (Key-M)

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  • Description
  • Reviews
  • Dual M.2 PCIe SSD Adapter: add 2 x M.2 PCIe (NVMe or AHCI) SSDs onto a single PCIe X4 add-on card, you can use 2 separate M.2 PCIe NVMe SSD at the same time, or in a storage pool for OS or 3rd party software RAID configuration.
  • ASMedia ASM2812 PCIe 3.0 Switch allow 2 x M.2 PCIe 3.0 SSD shares PCIE 3.0 X4 bandwidth (32Gbits/s = 4GB/s at max). It does not rely on PCIe bifurcation supported by CPU, PCH, or motherboard.
  • Applicable with 2230/2242/2260/2280/22110 size M.2 PCIe SSD (Key-M), such us Samsung: 980/ 970 PRO/ 970 EVO Plus/ 970 EVO; Intel Optane SSD P1600X Series , Intel SSD 6 Series ;Western Digital: WD_BLACK SN750 SE, WD Blue SN550, WD Green SN350, etc. Note: not support M.2 SATA SSD (Key-B).
  • Compatible with PCIe 3.0/2.0 motherboards, and install on PCIe X4/X8/X16 slot. Low-profile bracket and regular-profile bracket are included, so work with 2U high workstations or servers with Windows, Linux, and macOS. No driver installation is required.
  • Note: Your motherboard BIOS must support NVMe SSD, and support booting from PCIe in order to boot from a M.2 NVMe SSD on this M.2 PCIe addon card.



1) 2 x M.2 PCIe 3.0 RAID Controller Adapter with PCIe Bifurcation
2) Soft RAID Configuration (Span, Stripe, Mirror Mode) in windows or Mac, it is not Hard RAID.
3) Asmedia 2812 chip, heatsink on chip for heat dissipation
4) PCIe 3.0 X4 bandwidth at max
5) Support 2230/2242/2260/2280/22110 size
6) For PCIe 4.0 SSD, it will downgrade to PCIe 3.0 mode
7) Support PCI-E bifurcation motherboard and None PCI-E bifurcation motherboard
8) Regular profile bracket and low profile bracket



Theoretical maximum speed
JBOD: 2 x M.2 PCIe 3.0 X4 SSD share PCIe 3.0 X4 bandwidth at Max
RAID 1: PCIe 3.0 X4 bandwidth at max
RAID 0: PCIe 3.0 X4 bandwidth at max



PCI-E Bifurcation
1) This PA20 can work with PCI-E bifurcation motherboard and None PCI-E bifurcation motherboard, that means PA20 can work with almost motherboards
2) For low-end motherboards, there is generally no PCIe bifuration function. But PA20 with Asmedia 2812 chip can work with low-end motherboards, and support M.2 PCIe JBOD/RAID 1/RAID 0
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