ASUSHyper M.2 X16 PCIe 4.0 X4 Expansion Card Supports 4 NVMe M.2 (2242/2260/2280/22110) up to 256Gbps for AMD 3rd Ryzen sTRX40, AM4 Socket and Intel VROC NVMe Raid

I tried to use this to add a ton of extra storage to my gaming computer.I was unfortunately only able to add one drive. Any extras would not be detected at all.For them to be detected, I’d have to remove my GPU and put this NVME card into the top x16 slot, and enable PCI bifurcation, to allow those 16 lanes to be split into individual 4 lane channels for each of the 4 NVMEs in the card.But then I have no graphics! No display output!You really need a server or enthusiast grade processor and motherboard like an AMD Threadripper to make use of this. However, while it’s impractical, it does work to add one more drive to any computer, with the ability to add more with a motherboard upgrade later down the line.Activity indicator lights and a fixed speed cooling fan that can be turned on and off with a switch rounds out the feature set and makes this a powerful tool……if you can use it.

Longer than a 20 series 2 slot card and barely fit in my case. The card is really well made and works perfectly for me.

Contrary to some reviews, I have used this board with Asus TUF Gaming X570 Plus motherboard and it works!1. It worked with 4 NVMEs, but you have to use PCIEx16_1 slot and set BIOS to AMD RAID on for the slot.2. You can mix both PCIE3 and PCIE4 NVMEs and both run at their proper speed. The PCIE4 NVMEs will not get downgraded when used with PCIE 3 NVMEs. I tried two PCIE 4(Samsung 980 Pro 1& 2 TB) and two PCIE 3 (Intel 660P and WD SN550) and all runs fine. A side note: to reach PCIE 4 speed, the entire chain from NVME to adapter to motherboard to chipset and to CPU have to be all PCIE4 capable. Even with X570 MB, if your CPU does not support PCIE4, you will still only getting PCIE3 speed.3. The cooling fan can be switched off and even without it, the Samsung runs mid 30 deg C at low disk access to mid 40s during disk cloning. Even under stress test, they ran just over 50s. the large heatsink block works fine without the fan.4. Price is reasonable for a PCIE4 adapter that can host 4 NVMEs.5. The heatsink is well machined and the PCB is of good quality.If this card works so well, why I only give it a 4 stars? Because there are BUT and lots of them. Actually, I really tempted to give it a THREE stars!1. This card while works with Asus's own X570 motherboard, it ONLY works on PCIEX16_1 slot! It will NOT run on PCIEX16_2 slot! Not only this is NOT clear on the manual, this is a lousy design of Asus engineers! the PCIE X16_1 slot is typically used for GPU card and with most of the decent performance GPU are double wide, the MB typically made the next slot space vacant for the GPU, not so for the PCIEx16_2 slot. If this card have to use slot 1 and unless you use APU, the GPU on slot 2 will cover a PCIEx1 slot! They should have design this card to use either slots! Even assume this is due to some chipset limit, both MB and this card are Asus products, they should have layout the MB accordingly, but their engineers are just lazy.2. Speaking of poor engineering, this card is HUGE and unnecessary so. Again, it shows Asus's engineers are very lazy. They could and should have rearrange the layout to make this is much shorter board. As result, you need to evaluate this size of this card BEFORE you buy it to make sure you have enough clearance for it.3. Instead of design something that is toolless, just like their MB's NVME slot, Asus engineers insists the user to handle with small screws. Lots them! Just to remove the heatsink, you have to remove 6 small screws and then one more for each NMVE. It should not be that difficult to design it to be toolless abut again Asus's engineers are too lazy or no one cares. Some people may think this is not a big deal you only have to do it once and be done with it. Wrong, I plan to use this card to do backup and frequent swap. I have been using toolless USB adapter for NVME but even with USB 3.2, it is no where near the speed of PCIE interface.Bottom line, it works. But instead of a great product, the laziness or careless of Asus's engineers and product managers made this a just ok for me, may be not usable to others.

You have to understand why you are buying this card, and make sure that your motherboard will support it. I currently use this on several Threadripper setups, with perfect performance; utilizing my PCI-E 1 4.0X 16 slot for RTX ada 5000, this card in slot 3 so that both are full PCI-E X16 4.0 slots. I've had no issue with the cards performance on TRX40 and WRX80 boards. I've recently tried the WRX90 board with great success. I want to note: I've had good success on the X670E/X670 board; this is not a great fit with a B650 board, as you don't get a full second slot use unless you're using onboard video. At the same time, on the Intel side, I have had terrible results on anything that is not a server level board; with the Z790 and Z690 boards both resulting in performance that is down almost 20% below the performance from counterparts, and in some cases, BIOS not allowing the option.For the most part, consider this a good solution for HEDT/video & photo editing plus content creation far more than a solution for cheap addition of storage space. If you plan it that way, it works out really solid.Last: full Linux support made this an easy add when I converted a priot TRX40 workstation (3970X) into a Proxmox, booting to onboard NVME with most VMs stored onto a 16TB NVME pool supplied by this card.