Found this while searching for a mini-pc after seeing Boxall's deal a couple days ago.
Essentially for an extra $36, you get a newer-gen Intel Core i5 quad-core chip (10210U) as well as 8GB RAM to install.
1 x Crucial 8GB (1x 8GB) DDR4 2666MHz SODIMM Memory - $ 55.00
1 x Gigabyte Brix GB-BRi5H-10210E Barebone Kit - $ 565.00
Combined Total:$ 620.00
Bundle Discount:-$205.00
Total$ 415.00
Specs:
High Performance Ultra Compact PC (46.8 x 119.5 x 119.5 mm)
Features Intel® Core™ i5-10210U Processors
Dual SO-DIMM DDR4 supports up to 2666MHz, 64GB
Support 1x M.2 SSD (2280) and 2.5" SATA HDD/SSD
Dual HDMI™ supports resolutions up to 4K/60P
Intel® Wireless-AC 3168, dual band WiFi & Bluetooth 4.2
Massive I/O ports, included 6 USB 3.2 Gen2, Gigabit LAN, RS232 Com Port
Supports Add-On Cards upgrade kit for 2nd LAN and 2nd RS 232 COM port
VESA Mount bracket (75 x75 mm, 100 x 100 mm)
There's also a 16GB bundle version for $455 Out of Stock
There's also a 8GB RAM + 240GB SSD bundle version for $455
Good deal but missing thunderbolt on this model for those that may want to run a separate enclosure for a better graphics card etc.