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popularSuryasis posted Today 03:34 PM
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popularSuryasis posted Today 03:34 PM

Minisforum BD790i X3D MoDT (Mobile on Desktop) Mini-ITX Motherboard: Ryzen 9 7945HX3D, 2xDDR5, 2xM.2 Gen5, 2.5G Ethernet @ $469 + F/S

$469

$639

26% off
Minisforum
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Link: https://store.minisforum.com/prod...bd790i-x3d

Coupon: $50 Off via HALLOWEEN-50 . Make sure to apply it manually in the Checkout page to replace the default $40 OFF coupon.

Note: This is a Barebone Kit with only the motherboard with CPU and Heatsink integrated to it. You need to a 120mm Fan, all the other components required to build a Desktop PC.

Spec:
  • Mini-ITX Form Factor(170x170x1.6mm)
  • Ryzen 9 7945HX3D 16C/32T 2.3 GHz (5.4 GHz Boost, 16MB L2, 128MB L3 Cache)
  • CPU heatsink (120mm fan required) + Active SSD Cooler /w Fan
  • Radeon 610M integrated Graphics
  • DDR5 Dual channel (SODIMM SlotsĂ—2, up to 5200 MT/s, 96GB Max)
  • 2x M.2 2280 PCIe 5.0 SSD Slots
  • 1x M.2 2230 Key E Slot for NIC
  • 1x PCIe 5.0 X16 Slot for GPU
  • Ports:
    • 1x USB 3.2 Gen 2 Type-C (Alt DisplayPort 1.4)
    • 2x USB 3.2 Gen 1 Type-A
    • 2x USB 2.0 TYpe-A
    • 1x HDMI 2.0
    • 1x DisplayPort 1.4
    • 1x RJ-45 2.5G Ethernet
    • 1x Line Out
  • FAN/Audio/USB headers
    • 1x 4-pin CPU Fan header
    • 2x 4-pin System Fan header
    • 1x 4-pin SSD Fan header
    • 1x Front Panel Audio Header
    • 1x System Panel Headers
    • 1x USB 3.2 Gen 1 Header
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Link: https://store.minisforum.com/prod...bd790i-x3d

Coupon: $50 Off via HALLOWEEN-50 . Make sure to apply it manually in the Checkout page to replace the default $40 OFF coupon.

Note: This is a Barebone Kit with only the motherboard with CPU and Heatsink integrated to it. You need to a 120mm Fan, all the other components required to build a Desktop PC.

Spec:
  • Mini-ITX Form Factor(170x170x1.6mm)
  • Ryzen 9 7945HX3D 16C/32T 2.3 GHz (5.4 GHz Boost, 16MB L2, 128MB L3 Cache)
  • CPU heatsink (120mm fan required) + Active SSD Cooler /w Fan
  • Radeon 610M integrated Graphics
  • DDR5 Dual channel (SODIMM SlotsĂ—2, up to 5200 MT/s, 96GB Max)
  • 2x M.2 2280 PCIe 5.0 SSD Slots
  • 1x M.2 2230 Key E Slot for NIC
  • 1x PCIe 5.0 X16 Slot for GPU
  • Ports:
    • 1x USB 3.2 Gen 2 Type-C (Alt DisplayPort 1.4)
    • 2x USB 3.2 Gen 1 Type-A
    • 2x USB 2.0 TYpe-A
    • 1x HDMI 2.0
    • 1x DisplayPort 1.4
    • 1x RJ-45 2.5G Ethernet
    • 1x Line Out
  • FAN/Audio/USB headers
    • 1x 4-pin CPU Fan header
    • 2x 4-pin System Fan header
    • 1x 4-pin SSD Fan header
    • 1x Front Panel Audio Header
    • 1x System Panel Headers
    • 1x USB 3.2 Gen 1 Header

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12 Comments

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Today 04:21 PM
451 Posts
Joined Aug 2007
real_cheepToday 04:21 PM
451 Posts
Can someone explain the typical use-case for this? I guess you'd need a mini-ITX case if you were going to attach a PCIe GPU, so what would be the advantage of using a mobile CPU? If you were concerned about power consumption, you wouldn't want to use a desktop GPU, and if you didn't want a desktop GPU, why not just buy a mini PC? I recently bought a Minisforum mini-PC that I'm running with an external dock via Oculink and to be honest I was surprised at how easy it was to set up and how well it works, so that kind of setup makes sense to me but I'm having a harder time figuring out why you'd want something like this. Not trying to be critical of this particular product, just want to understand better.
1
Today 04:42 PM
104 Posts
Joined Jul 2021
Bup0108Today 04:42 PM
104 Posts
Quote from real_cheep :
Can someone explain the typical use-case for this? I guess you'd need a mini-ITX case if you were going to attach a PCIe GPU, so what would be the advantage of using a mobile CPU? If you were concerned about power consumption, you wouldn't want to use a desktop GPU, and if you didn't want a desktop GPU, why not just buy a mini PC? I recently bought a Minisforum mini-PC that I'm running with an external dock via Oculink and to be honest I was surprised at how easy it was to set up and how well it works, so that kind of setup makes sense to me but I'm having a harder time figuring out why you'd want something like this. Not trying to be critical of this particular product, just want to understand better.
I don't have this product, but have been looking at it for a while since it peek my interest. Based on what I read at various sites, it seems this board have quite a few perks. Since it have 16 cores, I guess the intended audience would be interested in a heavy workload. According to CPU-monkey, the 7945hx3D scored a 33450 vs 38640 from a 7950x, it has 86% multicore performance of a 7950x while having a TDP of 77w, vs 175W from 7950x. Similar story to the single core performance, 1956 vs 2205, almost 90% of 7950x. The efficiency makes it very compelling for whoever prefer a smaller setup. They can get top tier performance while keeping heat manageable. The downside is the CPU is soldered in, which won't allow future CPU-swap for upgrade, it also use laptop rams, which limit your DRAM selection.
Today 04:45 PM
267 Posts
Joined Dec 2010
dacityToday 04:45 PM
267 Posts
Quote from real_cheep :
Can someone explain the typical use-case for this? I guess you'd need a mini-ITX case if you were going to attach a PCIe GPU, so what would be the advantage of using a mobile CPU? If you were concerned about power consumption, you wouldn't want to use a desktop GPU, and if you didn't want a desktop GPU, why not just buy a mini PC? I recently bought a Minisforum mini-PC that I'm running with an external dock via Oculink and to be honest I was surprised at how easy it was to set up and how well it works, so that kind of setup makes sense to me but I'm having a harder time figuring out why you'd want something like this. Not trying to be critical of this particular product, just want to understand better.
It's all about the price/performance value, especially for gamers. Power consumption won't be that different than a full fat desktop processor, unless it's fitting at 100% use all day.This is a -very- powerful mobile CPU - putting together a same generation desktop CPU+ITX motherboard with 16 cores / 32 threads would almost certainly be more expensive. Add in the X3D cache, and this is just a very good processor for gamers.That said, I'd wait for the refurb deals and save $100-$150.
Today 05:19 PM
691 Posts
Joined Jul 2022
LivelyManatee460Today 05:19 PM
691 Posts
Quote from real_cheep :
Can someone explain the typical use-case for this? I guess you'd need a mini-ITX case if you were going to attach a PCIe GPU, so what would be the advantage of using a mobile CPU? If you were concerned about power consumption, you wouldn't want to use a desktop GPU, and if you didn't want a desktop GPU, why not just buy a mini PC? I recently bought a Minisforum mini-PC that I'm running with an external dock via Oculink and to be honest I was surprised at how easy it was to set up and how well it works, so that kind of setup makes sense to me but I'm having a harder time figuring out why you'd want something like this. Not trying to be critical of this particular product, just want to understand better.
Cost, its a lot cheaper and might even outperform the desktop variant spec to spec.
Today 06:01 PM
37 Posts
Joined May 2012
spl51285Today 06:01 PM
37 Posts
Quote from real_cheep :
Can someone explain the typical use-case for this? I guess you'd need a mini-ITX case if you were going to attach a PCIe GPU, so what would be the advantage of using a mobile CPU? If you were concerned about power consumption, you wouldn't want to use a desktop GPU, and if you didn't want a desktop GPU, why not just buy a mini PC? I recently bought a Minisforum mini-PC that I'm running with an external dock via Oculink and to be honest I was surprised at how easy it was to set up and how well it works, so that kind of setup makes sense to me but I'm having a harder time figuring out why you'd want something like this. Not trying to be critical of this particular product, just want to understand better.
1) Want to make a small pc build that is powerful and games well. mobile cpu reduces heat output.
2) x3d mobile part of basically the 7950x3d, but reduced performance.
3) Bang for Buck.. you get motherboard and cpu for less than the price of the 7950x3d
1
Today 06:11 PM
70 Posts
Joined Feb 2022
kirbyrjToday 06:11 PM
70 Posts

Our community has rated this post as helpful. If you agree, why not thank kirbyrj

Support can be a little iffy. Most AMD motherboards will get bios updates with newer AGESA. I would be surprised if there is more than 2 or 3 bios available for this board. I've had several minisforum/Beelink, etc. mini PCs and they rarely get 1 update let alone updates like a regular motherboard.
3
Today 06:37 PM
8 Posts
Joined Dec 2014
steven.merrillToday 06:37 PM
8 Posts
Quote from real_cheep :
Can someone explain the typical use-case for this? I guess you'd need a mini-ITX case if you were going to attach a PCIe GPU, so what would be the advantage of using a mobile CPU? If you were concerned about power consumption, you wouldn't want to use a desktop GPU, and if you didn't want a desktop GPU, why not just buy a mini PC? I recently bought a Minisforum mini-PC that I'm running with an external dock via Oculink and to be honest I was surprised at how easy it was to set up and how well it works, so that kind of setup makes sense to me but I'm having a harder time figuring out why you'd want something like this. Not trying to be critical of this particular product, just want to understand better.
I got my hands on a 5090FE from Nvidia's program and built this exact setup, but with the black color of the case. Super-small form factor with a huge wind tunnel up top to push air through the 5090: https://www.youtube.com/watch?v=VgOdUmcOOVE .

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Today 07:29 PM
171 Posts
Joined Dec 2018
BrianO5815Today 07:29 PM
171 Posts
Quote from real_cheep :
Can someone explain the typical use-case for this? I guess you'd need a mini-ITX case if you were going to attach a PCIe GPU, so what would be the advantage of using a mobile CPU? If you were concerned about power consumption, you wouldn't want to use a desktop GPU, and if you didn't want a desktop GPU, why not just buy a mini PC? I recently bought a Minisforum mini-PC that I'm running with an external dock via Oculink and to be honest I was surprised at how easy it was to set up and how well it works, so that kind of setup makes sense to me but I'm having a harder time figuring out why you'd want something like this. Not trying to be critical of this particular product, just want to understand better.
You can easily 3d print a mini rack system that works great with mini itx. 2u for atx power supply+a couple 2.5" drives, 3u for the board with full height GPU.
Today 07:35 PM
178 Posts
Joined Sep 2011
Sulla52Today 07:35 PM
178 Posts
I put this in K49BL case with 48 GB of ram and a 9070 (non xt) as my bazzite console gaming pc in my living room. It rips and produces very little heat due to the laptop variant of the cpu and the 9070 also being very cooling efficient (plus an undervolt applied). If you look at SFFPC reddit there are a lot of people using this board for the same purpose. It's great. Also, they just used it today in the most recent LTT video where they set up their new 16-player gaming setup: https://www.youtube.com/watch?v=9yanqmc01ck
Today 08:27 PM
39 Posts
Joined Nov 2020
ErnestoSimonToday 08:27 PM
39 Posts
Too bad the price of RAM, and to some point storage, has almost doubled in the past month. Otherwise would be thinking about replacing my current DDR4-based ssf.
Today 08:36 PM
229 Posts
Joined Jul 2010
Evenstar979Today 08:36 PM
229 Posts
Quote from real_cheep :
Can someone explain the typical use-case for this? I guess you'd need a mini-ITX case if you were going to attach a PCIe GPU, so what would be the advantage of using a mobile CPU? If you were concerned about power consumption, you wouldn't want to use a desktop GPU, and if you didn't want a desktop GPU, why not just buy a mini PC? I recently bought a Minisforum mini-PC that I'm running with an external dock via Oculink and to be honest I was surprised at how easy it was to set up and how well it works, so that kind of setup makes sense to me but I'm having a harder time figuring out why you'd want something like this. Not trying to be critical of this particular product, just want to understand better.
Basically for people who like SFF or want a case like Fractal Terra, this ITX with laptop CPU would be better thermally than maybe like a 9700x undervolted and much faster. I am one of those people, SFF that is. Also I showed this to a friend, not this x3D one but the normal one and he was really liking it for home server and thinking of getting one.
Last edited by Evenstar979 October 29, 2025 at 01:38 PM.
Today 09:08 PM
13 Posts
Joined Jan 2007
bigjackToday 09:08 PM
13 Posts
Quote from real_cheep :
Can someone explain the typical use-case for this? I guess you'd need a mini-ITX case if you were going to attach a PCIe GPU, so what would be the advantage of using a mobile CPU? If you were concerned about power consumption, you wouldn't want to use a desktop GPU, and if you didn't want a desktop GPU, why not just buy a mini PC? I recently bought a Minisforum mini-PC that I'm running with an external dock via Oculink and to be honest I was surprised at how easy it was to set up and how well it works, so that kind of setup makes sense to me but I'm having a harder time figuring out why you'd want something like this. Not trying to be critical of this particular product, just want to understand better.
CPU based ASIC resistant cryptocurrency mining, like Monero.

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