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Dual M.2 PCIe 4.0/3.0 X8 Adapter, Support M.2 PCIe SSD (NVMe/AHCI Key M) RAID Setup under PCIe Bifurcation Enabled Motherboard

Model: PA21
1) 2 x M.2 PCIe 4.0/3.0 Adapter without PCIe Bifurcation Function
2) Soft RAID Configuration in Windows or Mac, it is not Hard RAID
3) ASM1182e chipset
4) 2 x M.2 PCIe SSD shares PCI-E X8 bandwidth

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  • Description
  • Reviews
  • Dual M.2 PCIe 4.0/3.0 SSD Adapter: add 2 x M.2 PCIe 4.0/3.0 SSD (NVMe/AHCI Key M) onto a single PCIe X8 add-on card, you can use 2 separate M.2 PCIe SSD at the same time. Support Intel VROC and AMD Ryzen Threadripper NVMe RAID under PCIe Bifurcation Enabled Motherboard.
  • ASM1182e solution allow 2 x M.2 PCIe 4.0/3.0 SSD obtain PCIE X8 bandwidth (8GB/s with PCIe 3.0 or 16GB/s with PCIe 4.0), but only under PCIe Bifurcation enabled motherboard. Note: To reach PCIe 4.0 speed, make sure your CPU and motherboard and PCIe SSD are all PCIe 4.0 enabled. Otherwise, it would not be PCIe 4.0 speed.
  • Compatible with PCIe 4.0/3.0/2.0 motherboards, and install on PCIe X8/X16 slot. Low-profile bracket and regular-profile bracket are included, so work with 2U high workstations or servers with Windows, Linux, and mac OS. No driver installation is required.
  • 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).
  • Note: Your motherboard BIOS must support M.2 NVMe SSD, and support booting from PCIe in order to boot from M.2 NVMe SSD on this M.2 PCIe adapter.


 

2 x M.2 PCI-E NVMe RAID Controller Adapter Card

  • 2 x M.2 PCIe 4.0/3.0 RAID Controller Adapter without PCIe Bifurcation function
  • Note: PCI-E bifurcation motherboard can recognize 2 x M.2 SSD, but None PCI-E bifurcation motherboard only recognize 1 x M.2 SSD
  • Soft RAID Configuration (Span, Stripe, Mirror Mode) in Windows or Mac, is not hard RAID.
  • Asmedia 1182e chip, the heatsink on-chip for heat dissipation
  • PCIe 4.0 X8 bandwidth at max
  • Support 2230/2242/2260/2280/22110 size
  • Regular profile bracket and low profile bracket


 

M.2 PCI-E RAID Speed under PCI-E 4.0 and 3.0

With PCI-E 4.0 hardware condition (M.2 PCI-E SSD and motherboard and CPU all supports PCI-E 4.0):

  • JBOD: 2 x PCI-E 4.0 SSD can reach PCI-E 4.0 X4 speed at the same time;
  • RAID 1: PCI-E 4.0 X4 speed;
  • RAID 0: PCI-E 4.0 X8 speed.

 

With PCI-E 3.0 hardware condition (M.2 PCI-E SSD and motherboard and CPU all supports PCI-E 3.0):

  • JBOD: 2 x PCI-E 3.0 SSD can reach PCI-E 3.0 X4 speed at the same time;
  • RAID 1: PCI-E 3.0 X4 speed;
  • RAID 0: PCI-E 3.0 X8 speed.

PCI-E 4.0/3.0 X4/X8 Full Speed

With PCI-E 4.0 hardware condition (M.2 PCI-E SSD and motherboard and CPU all supports PCI-E 4.0):

  • ~ 8GB/s for PCI-E 4.0 X4
  • ~ 16GB/s for PCI-E 4.0 X8

 

With PCI-E 3.0 hardware condition (M.2 PCI-E SSD and motherboard and CPU all supports PCI-E 3.0):

  • ~ 4GB/s for PCI-E 3.0 X4
  • ~ 8GB/s for PCI-E 3.0 X8

PCI-E Bifurcation motherboard and No PCI-E Bifurcation motherboard

  • PCI-E bifurcation motherboard can recognize 2 x M.2 PCI-E SSD
  • But None PCI-E bifurcation motherboard only recognize 1 x M.2 PCI-E SSD
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