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Dual M.2 NVMe SSD Host Adapter with PCIe Bifurcation Function
- Add 2 x M.2 NVMe SSD (M-Key) onto a single PCIe X4 host adapter, so you can access 2 x M.2 NVMe SSD at the same time
- Support soft RAID in Windows/Linux/3rd party software
- Support M.2 NVMe SSD RAID-on-CPU (VROC) in the Intel Platform, but you need to purchase an Intel VROC license by yourself
- Support M.2 NVMe RAID in AMD Platform
- Support Mac Pro 5.1
- PCIe 3.0 X4 bandwidth
- For PCIe 4.0 SSD, it will downgrade to PCIe 3.0 mode
- Support PCIe bifurcation function
- Support 2230/2242/2260/2280/22110 form factor
- The gap between the two NVMe slots is 3mm
- Regular profile bracket and low profile bracket
PCIe Bifurcation (PCIe Splitter)
- With ASM2821 PCIe Bifurcation function, PA20 can work with none PCIe Bifurcation motherboard;
- The disadvantage is that PA20 cannot support PCIe 4.0 and only support PCIe 3.0/2.0 features;
- The max bandwidth is PCIe 3.0 X4, which means 2 x M.2 NVMe SSD share PCIe 3.0 X4 bandwidth.
Soft RAID in Window 10
- When you find 2 separate M.2 NVMe SSD in Disk Management of Windows 10
- Right click the disk volume, which you want to setup soft RAID
- A pop-up window appears, click the option (Spanned/Striped/Mirrored)
- Noted: You can setup soft RAID in Linux/Mac/3rd party software also.
PCIE 3.0 X4 Full Speed
- Compatible with PCIe 3.0/2.0 motherboards, and install into PCI-Express X4 lane.
- To reach PCIe 3.0 speed, make sure your CPU and motherboard and PCIe SSDs are all PCIe 3.0 enabled.
M.2 SSDs Installation
- M.2 SSD head tilted at 30 degree angle, inserted into Key M interface
- The brass standoff snaps into the semi-circular position at the end of the M.2 SSD
- Secure the brass standoff from the back with screw
Packaging includes
- PA20
- 2 x M.2 Screw and Copper Stand
- 8cm Low-profile bracket
- Screws for bracket mounting to PC
- Screwdriver
Victor
Reviewed in Sweden on February 8, 2025
Allows you to use 2x NVMe drives in a computer that does not have native support for PCIe Bifurcation.
Bru Huf
Reviewed in the United States on July 18, 2024
I used 2 4tb NMVE m.2 sticks. Used their mounting screws, inserted in PCI slot, re-started, and desktop immediately detected. I had them in an unallocated state. Formatted, then made part of a five stick Windows pool storage. Very satisfied. Highly recommended.
PSG
Reviewed in Canada on November 4, 2024
This card worked perfectly. It allowed me to add 2 X 2TB NVME 2280 SSD drives to my older Thinkstation P710 Dual Zeon Workstation. I just installed the drives on the card and plugged it in and it immediately identified them as 2 new drives.
Michael Engelen
Reviewed in Germany on November 28, 2024
Bei mir ist die Karte mit zwei M.2-NVME-Riegeln mit jeweils 4TB bestückt und mehr als 3-mal so schnell wie eine externe USB 3.2 2x2 Lösung bzw. sogar 7-mal so schnell wie die Anbindung mit einem passenden Gehäuse über einen externen USB 3.1-Port. Beeindruckend! Der Einbau ist wirklich einfach (man muss halt einen passenden PCIe 3.0 x4- Slot finden (bei mir auf einem MSI Z690 Tomahawk-Board)) und schon ist es Plug-and-Play.
RE View S.p.A.
Reviewed in Italy on April 21, 2024
La scheda si presenta subito di ottima fattura costruttiva, con package ben curato e poche ma semplici operazioni descritte su un foglietto (dato che è realmente plug & play). Dotata di slot PCIe 3.0 X4 con funzione di biforcazione PCIe, la scheda FUNZIONA PERFETTAMENTE ANCHE SU MAC PRO 5.1 senza nessun problema, ma con i limiti di velocità dovuti al PCIe 2.0 del Mac ovviamente. Quindi la descrizione sul sito è palesemente errata. Inoltre ho tranquillamente effettuato un boot da NVME con sistema OS X Mojave senza alcun problema (marcando il disco di avvio da preferenze di sistema), oltre ad aver creato un volume RAID Stripe con Utility Disco, che può anche essere avviabile (clonando il sistema operativo su di esso, dato che OS X Mojave non permette di essere installato su un volume RAID generico). La spedizione con PRIME è stata eccezzionale (una volta tanto) dato che mi è arrivata addirittura un giorno prima del previsto, in più il prodotto ha un rapporto prezzo qualità senza eguali (unico limite è il PCIe 3.0 a soli 4X che ne rallenta le prestazioni delle unità SSD collegate, comunque ben oltre i 2000 MB/s sia per la lettura che per la scrittura (ho usato due Samsung 970 EVO Plus da 1 TB ciascuno per il test). Dunque un acquisto veramente molto conveniente su Mac Pro 5.1 (con ROM 144.0.0.0 o superiore) o anche per sistemi PC non proprio di ultima generazione (personalmente l'ho provata su un HP Omen con i7-9700K senza nessun problema). Prodotto consigliatissimo.
LENENN
Reviewed in France on August 25, 2023
Mis avec deux SSD NVMe et l'un des deux ne fonctionne plus
David Johnson
Reviewed in Canada on June 29, 2023
After struggling with bifurcation not working with the other version of this card after going through the bios and changing settings back and forth.. This worked right off the hop.. The change from green to RED leds had me concerned for a bit.It works, don't see the hdd light connector but I never did use it with the previous card anyway.
Yvan Daniel
Reviewed in Canada on March 4, 2023
Configuring RAID in Windows 101. Install the hard drives into your computer and let it boot into Windows 10.2. Back up everything you cannot afford to lose from your OS drive before starting.3. Type or paste ‘Storage Spaces’ into Search Windows.4. Select Create a new pool and storage space. Windows will check all drives and select them in the next window.5. Select the RAID type under Resiliency by selecting the drop down menu. Simple pools the disks, Two-way mirror and three-way mirror are similar to RAID 1, and Parity is similar to RAID 5.6. Set the drive size under Size if necessary. It should default to the correct setting.7. Select Create storage space.8. Wait for the process to complete and you should then see a single disk with the correct size in Windows Explorer.9. Type or paste ‘Manage Storage Spaces’ into the Search Windows box to keep an eye on the array.
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