The mini-STX form-factor was introduced by Intel in 2015 to provide additional options in the burgeoning small form-factor (SFF) PC space. Since then, vendors such as ASRock, ECS, and MSI have been releasing new products based on the mSTX form-factor – and not just for Intel platforms, but AMD as well. As a result, while it’s still a small part of an overall much larger market, mSTX has seen increasing traction as the smallest form factor to still be able to accept socketed CPUs.

A good chunk of mSTX’s success, in turn, has been thanks to the efforts of ASRock. The company’s DeskMini series is one of the better known mSTX line-ups in the market. Slotting in between traditional motherboards and barebones ultra-compact form-factor machines, DeskMini mSTX boxes are the next step past UCFF machines in terms of customization: in addition to user-upgradable RAM and permanent storage, the user is free to choose any suitable CPU (subject to TDP limitations) and a cooler compatible with the supplied chassis – making it possible to configure and upgrade the very heart of a mSTX box. Graphics still need to be integrated (or occasionally, added via MXM cards), but with integrated graphics getting better with every generation, mSTX has been increasingly unimpeded by this trade-off.

Today we’re going to be taking a look as the DeskMini H470 - ASRock's offering for Intel's LGA 1200 processors using the H470 chipset. Aspects we’ll be covering include a look at a sample build process, the results from subjecting it to our standard SFF PC evaluation routine, and an analysis of how it stacks up against the other SFF options in the market.


ASRock was one of the pioneers in the SFF PC space with their Core and Vision series of products using customized boards. After Intel's NUC and mini-STX became popular, the company introduced the Beebox (NUC clone) and the DeskMini (mini-STX and micro-STX) series into the market. The DeskMini units are sold as barebone packages, coming with the chassis, motherboard, power supply, optional Wi-Fi module, and assorted cables. Users need to supply a CPU, a CPU cooler, DRAM, and storage.

We reviewed the first DeskMini 110 mini-STX barebones PC back in mid-2016, the DeskMini Z370 micro-STX PC (with a GTX 1060 discrete GPU in a MXM card) in mid-2018, and the DeskMini 310 in early 2019. With the 300 series, ASRock also started introducing AMD-based models, and we looked at the A300 around the same time. Fast forward a year, and ASRock introduced follow-ups to both products - On the Intel side, we got the DeskMini H470, while the DeskMini X300 was put forth as an upgrade option for AMD builds.

The DeskMini H470 that we are looking at today is a follow-up product to the DeskMini 310. While the DeskMini 310 was based on the Intel H310 chipset and supported the 8th and 9th Generation LGA 1151 Intel processors, the DeskMini H470 is based on the Intel H470 chipset and supports LGA 1200 processors (currently, Comet Lake-S only). Similar to the previous DeskMinis, the H470 also supports the stock Intel cooler and can accommodate processors with TDP of up to 65W.

Build Process

The DeskMini H470 comes with the motherboard pre-installed in the chassis. Users need to supply their own CPU, DDR4 SODIMMs, and M.2 PCIe SSD and/or 2.5" drives. A M.2 Wi-Fi module comes in a separate package for the DeskMini H470W SKU, but we were sampled the Wi-Fi-less DeskMini H470 for review - From online listings, it appears that the bundled Wi-Fi module is the old 1x1 Intel Wireless-AC 3168 with a theoretical maximum throughput of 433 Mbps. The board accepts any CNVi-enabled M.2 Wi-Fi module, and the latest Wi-Fi 6 ones are available for less than $30 if users absolutely need top-notch Wi-Fi in the system. The previous generation DeskMini models came with a dual USB 2.0 port cable for connecting to the motherboard's USB 2.0 header - This cable is not included in the DeskMini H470 package, though the motherboard header is still present. The accessories included in the package are two SATA (data+power) cables, a M.2 SSD mounting screw, screws for attaching 2.5" drives to the internal frame on which the motherboard rests, and rubber feet for the chassis (indentations are embedded for both vertical and horizontal placement of the system). In the North American market, a 120W (19V @ 6.32A) power adapter and a US power cord are also bundled.

The following components were chosen for the evaluation build:

  • Intel Core i7-10700 (tray-only package without the stock cooler) (Thanks to Intel for the build component)
  • Silverstone Argon Series AR11 low-profile heatsink (Thanks to SilverStone for the build component)
  • Crucial P5 M.2 2280 PCIe 3.0 x4 NVMe SSD (Thanks to Crucial for the build component)
  • Kingston HyperX Impact DDR4 HX432S20IUB2K2/16 2x 8GB SODIMM Kit (Thanks to Kingston for the build component)

The galleries in the remainder of this section provide a chronological view of the build process. The installation starts with the removal of four screws on the rear panel and pulling out of the motherboard tray. The ribbon cable connecting the power button and activity LEDs to the motherboard is then removed from the front panel header to allow unfettered access. On the top of the board, we have the CPU socket, two DDR4 SO-DIMM slots, and M.2 slots for a 2230 Wi-Fi module and a 2280 SSD module. The board itself is mounted on a metal frame with four screws. On the underside of this metal frame, we can see mounting holes for two 2.5" drives, as well as an elliptical opening to connect these drives to the board's SATA ports.

While it is possible to install the CPU, DRAM, M.2 cards, and disk drives without dismounting the board, the installation of the thermal solution makes it necessary to access the underside. This is achieved by taking out the screws mounted in the four corners of the frame. The interesting segments of the board hidden under it include the PCH package, the Realtek ALC233 audio codec chip, and a M.2 2280 slot with a 'Hyper M.2' tag. This slot has an accompanying note indicating support for the socket with future generation processors - an obvious nod to the PCIe 4.0 x4 lanes directly off the Rocket Lake-S CPUs for storage purposes.

The DeskMini chassis has a CPU cooler height limitation of 52mm. Since our CPU sample was from a tray, we did not have a box fan to go along with it. In considering third-party coolers, the height along with any possible obstructions to the other board components need to be kept in mind. The SilverStone SST-AR11 satisfies both these aspects - at 47mm, it has a low profile. The fan is also wide at 92mm to minimize noise while promoting more airflow. Silverstone promotes this cooling kit as an example of 'heat-pipe direct contact' technology - wherein the heat pipes interface directly with the thermal compound on the processor. We also observe that the heat-pipes have sharp bends at the edges to avoid going beyond the edges of the heat fins themselves. This ensures that there is no scope for these pipes to interfere with the SODIMMs or other board components.

The Silverstone SST-AR11 comes with a thermal compound pouch, and that was spread liberally over the processor. The heat-sink assembly was then positioned above the processor to align with the mounting holes. The board was turned over to fasten it to the board using screws supplied in the SST-AR11 package. The installation process as well as post-installation pictures are presented in the above gallery.

The installation of the remaining components was fairly straightforward. The Crucial P5 is a M.2 2280 PCIe 3.0 x4 NVMe SSD featuring Micron 96L 3D NAND along with a Micron DM01B2 in-house SSD controller. The Kingston SODIMM kit is a low-profile one with no fancy heat-sinks or RGB - perfect for a budget build in a compact machine. The absence of tag-ons in the kit ensures that the SODIMMs don't extend beyond the DIMM-holders. As the gallery below shows, the heat-sink is sized with just enough clearance to avoid making contact with the holders installed at either end of the SO-DIMM slot closer to the CPU socket.

The specifications of our ASRock DeskMini H470 review configuration are summarized in the table below.

ASRock DeskMini H470 Specifications
Processor Intel Core i7-10700
10th Gen. (Comet Lake), 8C/16T, 2.9 GHz (4.8 GHz), 14nm (optimized), 16MB, 65W TDP
Memory Kingston HyperX HX432S20IUB2K2/16 DDR4 SODIMM
19-21-21-40 @ 2933 MHz
2x8 GB
Graphics Intel UHD Graphics 630
Disk Drive(s) Crucial P5 CT1000P5SSD8
(1 TB; M.2 Type 2280 PCIe 3.0 x4 NVMe; Micron 96L 3D TLC)
(Micron DM01B2 In-House Controller)
Networking Intel I219-V Gigabit Ethernet Controller
Audio 3.5mm Headphone Jack
Capable of 5.1/7.1 digital output with HD audio bitstreaming (HDMI)
Miscellaneous I/O Ports 4x USB 3.2 Gen 1 (5 Gbps) Type-A
1x USB 3.2 Gen 1 (5 Gbps) Type-C (with DisplayPort alternate mode)
1x USB 3.2 Gen 2 (10 Gbps) Type-A
1x USB 3.2 Gen 2 (10 Gbps) Type-C
Operating System Retail unit is barebones, but we installed Windows 10 Pro x64
Pricing (As configured) $708 ($190 for the motherboard and chassis)
Full Specifications ASRock DeskMini H470 Specifications

In the next section, we take a look at the various BIOS options provided by ASRock for the DeskMini H470, along with an analysis of the platform's I/O capabilities.

BIOS Options and Platform Analysis
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  • Tomatotech - Tuesday, December 29, 2020 - link

    That’s possibly one of the best possible arrangements for the m.2 slot then as the metal tray will be an excellent heat sink. You could even add a bit of thermally conductive foam (make sure it’s not the electrically conductive type) to help with heat transfer to the tray.
  • ganeshts - Tuesday, December 29, 2020 - link

    The Ultra M.2 slot is on the top side of the board. That is the one used with Comet Lake CPUs. The slot you are referring to is the Hyper M.2 (PCIe 4.0 x4) slot which is usable only when the Rocket Lake CPUs come around.
  • twotwotwo - Tuesday, December 29, 2020 - link

    Its AMD relative the A300 was my main machine for a while, and had it been easier to get Zen 2 desktop APUs I might still be using it. Quiet (given a decent fan), cheap, tiny (obvs), reasonably expandable, gets the job done--about all I can ask for from a work desktop.
  • Death666Angel - Tuesday, December 29, 2020 - link

    The 4000 Series Pro APUs are pretty well available in Germany, from reputable online retailers. I can get the R5 Pro 4650G for 20% more than the equivalent R5 3600 (200€ vs 240€ roughly). That would be my sweet spot, personally. For 8 cores it's also roughly 20% (280€ vs 340€) but for that price difference, you could get a nice used GPU already that will maybe game better. I personally could never justify a GPU-less build, although I am eternally curious about them and plot one out once every couple of months.... and then I look at benchmarks of dGPU vs iGPU and stop. :D
  • Tomatotech - Tuesday, December 29, 2020 - link

    I didn’t see it in the article so here are the specs:

    155 x 155 x 80 mm (1.92L)

    Not bad, though for most low to mid-level use cases it’d be far cheaper to buy a used Lenovo or Dell USFF PC - these have even less volume at around 1.1L but are slightly larger and flatter (around 180x180x35mm)

    For SFF with GPU I still prefer something like the K39 mITX chassis on the low end which comes in at 3L but allows you to use most full-sized GPUs (but for now possibly not the nVidia 3000 series).
  • Samus - Tuesday, December 29, 2020 - link

    I've been rocking the FT03-Mini and while it is an absolute nightmare to work inside of (and I question my sanity for why I put myself through owning it) it is still a very effective ITX chassis for the size, capable of 10.5" videocards, multiple hard drives (plus two m2 drives you can mount to most current motherboards) while using a single 140mm fan to cool everything. Realistically the highest TDP CPU you want to use is around 88-watts as anything more you will stress any closed loop cooler with a 25mm radiator (the max the case can accept) and need to go to a heatsink of some sort with another dedicated fan.
  • Obrut - Tuesday, December 29, 2020 - link

    It will be interesting to see a comparison with ASRock Jupiter H470, which has a much different form factor and cooling solution.
  • M O B - Tuesday, December 29, 2020 - link

    I have a Deskmini 310w--is the UHD 630 on 10th gen CPUs any faster than the UHD 630 on older CPUs?

    If not, then it seems like this iteration basically adds some USB 3.0 ports versus my current build.
  • ganeshts - Wednesday, December 30, 2020 - link

    I think the additional angle here is that of a low-cost platform that can take advantage of the RKL-S CPUs coming in 2021. Personally, I also think it is not a great choice to upgrade for those who already have the 310. It is meant more for folks getting their first mSTX machine.
  • Samus - Tuesday, December 29, 2020 - link

    I had the SST-AR11 cooler in my Silverstone FT03-Mini and was pretty disappointed (partially due to the chassis inherently poor ventilation) and equally disappointed by closed-loop coolers due to the 25mm thickness limitation of radiators. After spending seemingly hundreds of dollars and way too much time hunting for a thermal solution, some forum posts directed me to try the NT06-Pro, which would theoretically fit this mSTX chassis as long as there is no interference with the power supply.

    It performs incredible well as you position the fan under the fins and blow the heat away from the motherboard instead of onto it, giving it somewhat of the beneficial effect of a tower-style cooler.

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