This i5-1240P mini PC was well packaged from the seller. In addition to the PC chassis, it includes 2 short wifi antennas, a VESA plate (along with mounting screws), a wire to be used for a self-made power supply connection, a (very) short HDMI cable, and a regular 110VAC power supply. Included power supply is labeled as being made by "Shenzhen Jihongda Power Co. Ltd." and when supplied with 110V, will output 19V, 4.7A to a barrel connector that plugs into the back of the PC. The chassis seems to be all metal, coated with black.
The bottom plate of the chassis can be removed to access the RAM and NVME slots, as well as several various connectors.
The RAM pre-installed is 2x8GB of DDR4/2666 with a brand label of "Ramsta." This is despite the fact that the product description claims that it includes "3200MHz DDR4 RAM." I've contacted the seller about this speed discrepancy. The RAM slots are below a USB panel port, requiring that those USB ports are temporarily removed (two screws) in order to change the RAM.
The pre-installed NVME drive is a 512GB NVME device with a heatsink zip-tied to it. HwInfo shows it as a "GOFATOO 512GB SSD" with a "Maxio Technology MAPI202" controller. This is a PCIe 3.0 controller. It was inserted in the slot labeled "NVME" while there's an empty M2 slot labeled "NVME/SATA"
From the docs sent to me from the seller, the "NVME" slot is "NVME PCIE x4 Gen4" and the "NVME/SATA" slot is "SATA 3.0/NVME PCIE x3 Gen3" (x3?) (I've confirmed that a Samsung 990 Pro drive will utilize PCIe4x4 speeds when inserted in the "NVME" labeled slot.) (Update: I've installed Samsung 990 Pro NVME's in both slots, and both report being utilized as PCIe Gen4x4.)
The WiFi card is actually underneath the primary NVME. HwInfo reports the WiFi card as an Intel AX201. The WiFi card works as expected, but I had no occassion to test Bluetooth.
There's a SATA3 connector inside the case, as well as a 4 pin (2mm pitch) connector for SATA power. While the SATA data connector is a standard cable connector, the power connection looks non-standard. There doesn't seem to be any adapter cable included. I'm also unsure if or where a SATA device could be mounted inside this chassis.
The PC was shipped with the physical COM1 DB9 wired to a RS-485 header. This is a 4 wire connector. COM2 was wired to a RS232 header. Changing COM1 to RS232 would require replacing the male DB9 to 2x5 female DuPont connector.
The machine came with what appears to be a fresh Windows 11 Professional licensed installation. The only bloat seen in Windows was only the typical stuff Microsoft loads on new Win11 installs.
Running an extended (8+ hours) memtest results in the machine getting hot to the touch, and the CPU does eventually throttle from the heat when it reaches about 90C. This is expected for a device with no fan, regardless of the size of the heat sink. The memory test passed regardless of the heat. The underside of the device (where the memory and NVME slots are) has no cooling whatsoever. This is may be a concern for high performance NVME drives which will throttle at higher temperatures when copying large amounts of data to/from the device.
Overall, it's a good device. I'd prefer if the seller sold a "barebones" version of the PC, as the memory it came with was slower than advertised, and I have no way to judge the reliability of a "GOFATOO" NVME drive - meaning both are being replaced. Other "nice" options would be a DB9 connector that could be used for RS232 on the COM1 port (instead of the DB9 with only 4 wires used for RS485), an adapter for powering a 2.5" SATA drive, and some kind of bracket for mounting a 2.5" SATA drive.
Would I buy another NEOSMAY branded device? Yes, if I could purchase it "barebones." It's almost exactly what I'd expect from a PC labeled as "industrial." It works well, and any throttling is completely expected for a fanless device.
Update after a week:
The seller has not responded to my query about the memory pre-installed being slower than advertised. Hopefully this review will warn future buyers of this issue. I ended up replacing it with 2x32GB DDR4/3200 which works fine.
With 2 Samsung 990 Pro NVME's installed, both are being utilized by linux as PCIe Gen4x4 devices. However, there's no mechanism whatsoever for the NVME drives to cool off and they will hit critical temperatures and throttle. They are in an enclosed compartment along with the RAM and not even an air vent. Simply removing the bottom panel of the machine allows some of the heat to escape and the NVME devices are much happier.
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