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⚙️ Power your pro setup with MACHINISIT X99 — where speed meets stability!
The MACHINISIT X99 PR9-H motherboard is a high-performance Micro ATX mainboard designed for Intel Xeon E5 V3 and V4 series processors. It supports up to 128GB of DDR4 RAM at speeds up to 2400MHz, features PCIe 3.0 and M.2 NVMe slots for rapid data transfer, and includes a robust 6-phase power design with all-solid capacitors for professional-grade stability. Equipped with Gigabit LAN and multiple USB ports, it’s tailored for demanding computing environments requiring reliability and speed.







| ASIN | B0D5D6BGJ9 |
| Best Sellers Rank | #77 in Computer Motherboards |
| Brand | MACHINIST |
| CPU Model | Intel Xeon |
| CPU Socket | LGA 2011-3 |
| Chipset Type | Intel HM55 |
| Compatible Devices | Personal Computer, Server |
| Compatible Processors | Intel E5 V3 V4 Series CPUs |
| Customer Reviews | 3.6 out of 5 stars 36 Reviews |
| Graphics Card Interface | PCI Express |
| Main Power Connector Type | 24 + 8Pin |
| Manufacturer | MACHINIST |
| Memory Clock Speed | 2400 MHz |
| Memory Slots Available | 4 |
| Memory Storage Capacity | 128 GB |
| Model Name | X99 PR9-H |
| Model Number | X99 PR9-H |
| Number of Ethernet Ports | 1 |
| Number of Ports | 12 |
| Platform | Windows |
| Processor Socket | LGA 2011-3 |
| RAM Memory Technology | DDR4 |
| Ram Memory Maximum Size | 128 GB |
| S/PDIF Connector Type | Optical |
| System Bus Standard Supported | SATA 3 |
| Total PCIe Ports | 2 |
| Total SATA Ports | 3 |
| Total Usb Ports | 6 |
| USB 2.0 | 6 |
| Warranty Description | / |
C**8
Yeah these are great. Use an old cheap Xeon and old memory to do cool stuff.
These are great. If you are looking for a first class experience go with a known brand. But if you are looking for an inexpensive, good board that boots and you can use old parts with to make a powerful little systems, these boards do the job. These are sold under many listings and brands with just a few differences. I bought 2 different ones and the only changes were the colors. I went wild and put 18-core Xeon E2695s on the, paired with 128MB of ECC DDR4 server memory. They run great. I use on to host ProxMox and another as a test box for whatever I want. They are rock stable. Complaints? Sure. It could use another full sized PCI Man it would be killer if I could use a 10gb network card. They do have a short PCI slot. I have purchased some 2.5gb cards that look like they'd fit, but I have not done any testing. I have used a few Chinese market boards over the years. Years ago they used to be usable but pretty rough. They are getting really good, but still a little less developed than well known makes. It is a cheap board, be ok with some stuff if you are buying this.
A**.
Disappointed - not up to Amazon standard.
Motherboard not packed in anti static bag. No io shield. No cpu slot cover. Would not start up.
W**.
Good product, meh documention
Actually way better then I was expecting, works with my Xeon perfectly, documention needs a little improvement but it's running my Linux server perfectly
G**S
Decent
Great board, but directions weren't given in the box. Also, had to really crank the screws on my radiator to get it to fit on which wasn't the most comforting process. Features are good. Boot speed is standard. No lighting really.
A**R
No Post
Motherboard did not post sadly. Motherboard looks good that's the only thing it has going for itself.
J**G
Works great
Despite the price and no name brand it just works great
I**N
This is Motherboard. Also, there's a manual in the listing page.
For all the issues I had gone through getting this build working, the motherboard contributed to none of it. It was mostly my stupidity and failure to double check the contents of what I thought was a Windows install USB. To all the people that's saying there's no manual, there is. It's on the listing page. Look for it in the "Product guides and Documents" section in the listing page. Yes, I understand that you aren't shipped a physical one with the mobo. For how much this mobo is, I'm not gonna complain. The supported RAM speeds is DDR4-2133 and DDR4-2400, and nothing else. I'm not kidding. My ONLY gripe is the fact that there's only two fan headers. Put like three more on and you'll get six stars from me.
S**N
More rust than metal.
Didn’t know amazon fulfillment or manufacturer was located in the middle of the ocean. That’s the only reason there would be this much rust. Do not buy. I feel like I need a tetanus shot after opening this.
Trustpilot
2 weeks ago
2 days ago