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Dell Precision 3640 is an interesting system that can teach us a lot about the market. This system is based on the Intel Xeon W-1200 and offers high-end options such as NVIDIA Quadro GPUs (“Quadro” until the line is fully rebranded.) This system is nestled in the market between the compact workstation space and the much higher-end workstation parts. As a result, we have a package that offers a great mix of performance while also remaining relatively lower-cost. In our review, we are going to see why. Intel Xeon processor

Dell Precision 3640 Hardware Overview

Some time ago we reviewed the Dell EMC PowerEdge T40. The chassis for the Dell Precision 3640 is largely shared. Still, do not mistake this Precision for the server we called a “cheap server.” Dell has taken the same shell and made improvements throughout.
The front of the system has a single headset jack, an SD card reader, and four USB 3.2 ports. We get a USB 3.2 Gen2 Type-C and two Type-A ports along with a single Type-A Gen1 port. This is awesome connectivity for the front of a workstation like this. Since we have a high-power CPU and GPU, we have a higher power chassis with this “Advanced I/O”. The standard I/O replaces two of these USB ports with legacy USB 2.0 ports.
The rear of the system is very similar to the layout we saw in the PowerEdge T40. On the rear I/O, we have four USB 3.2 ports (two Gen2 and two Gen1.) There are two legacy USB 2.0 ports. There is a theme with this system that is legacy support. As another example, we have PS/2 keyboard and mouse ports on this system even though USB has effectively replaced them for well over a decade. There are two DisplayPort 1.4 ports and an alone audio jack. Many other systems we see have multiple audio ports so it is interesting here that Dell is making some decisions regarding what legacy interfaces they are supporting.
There is also a lone 1GbE port that utilizes the chipset Intel i219 controller.

Opening the system utilizes a simple latch. Dell has great industrial design here as no screws are needed and this feels very solid.
Another feature with this chassis, which is shared with the PowerEdge T40 and other Dell products, is that the PSU is on a hinged bracket. Two latches keep it secured. Once those the PSU can swing out to service the system.
The system itself supports the 10th generation Intel Core CPUs as well as the Intel Xeon W-1200 series. Our system has an Intel Xeon W-1290P Benchmarks and Review A Top-End SKU. For a segment of the market that had stagnated with quad-core designs between the Intel Xeon CPU E3-1200 V1-V6 era (and Lynfield going a generation back to the X3400 series), this is a major upgrade to 10 cores/ 20 threads in the form factor. We also get high clock speeds at up to 5.3GHz.
Along with core counts and performance, power consumption has also gone up. Dell has a really interesting radial fan with a heat pipe/ heatsink unit. Air is expelled from the fan through the heatsink and then exhausts via the fan at the top of the chassis.

For memory support, we have four DDR4 DIMM slots. These DIMMs can be ECC memory with our Xeon CPUs. They can also be non-ECC. The big requirement is that memory is Unbuffered. As a result, we get capacities up to 4x32GB for 128GB of memory.

The system came equipped with the optional NVIDIA Quadro RTX 4000. There can be a number of different types of GPUs, or one can use onboard graphics and skip the GPU.

That GPU is installed in the PCIe Gen3 x16 slot. There is also a PCIe Gen3 x4 slot for expansion. Perhaps the most interesting slot is the PCI slot. Dell is still supporting a very old legacy interface on this platform. There are still some boards such as PCIe controller boards for industrial equipment that are used today, but the vast majority of purchasers will have difficulty finding any modern device to put in this slot since it is more than a decade past its prime.
Something that is more modern is that we have an array of M.2 card slots. One has the 802.11ax (Intel 201AX) WiFi 6 card. One has our 1TB NVMe SSD (Kioxia XG6) and the other is empty. Our system has room for 2.5″ and 3.5″ storage, but we do not have any installed.

One can see from the chassis internal view photo above that we have the same 3.5″ bay that is pre-wired for a drive that we saw in our PowerEdge T40 review that sits near the front/ PSU hinge area. On the bottom, we have two 3.5″ drive mounting points. Again, we wish Dell used a plastic tool-less retention method as we saw in the Dell OptiPlex 7070 Micro to save time on servicing this area.
The list price of this system has been hovering in the $3700-4000 range with web discounts bringing that pricing down to around $2500-2700. Of course, if you are a direct Dell customer, you may have different discounts, but that is the pricing available to anyone on the web. Overall, this is a nice configuration for the segment of entry-level Xeon and Quadro workstations.

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