New AMD B665 Workstation Motherboards Have CPU Sockets Rotated 90 Degrees
Owned by YouTuber Der8auer shown A pair of latest AMD AM5-based B665 workstation motherboards with a 90-degree socket orientation designed to enhance airflow and enhance compatibility with server-based CPU coolers and chassis. Two new motherboards are Asus Professional WS B665-ACE and Asrock Rack B665 D4U1L.
We do not know a lot about this new B665 socket or these new boards basically. However Der8auer says these are value-driven workstation motherboards with a minimal variety of options. At the least we all know they’ll assist AMD’s 65W Ryzen 7000 collection CPUs.
Judging by the images of each motherboards, they appear to be scaled down variations of B650 chipset motherboards. To avoid wasting value, rear I/O was considerably diminished and a VGA port was added for server functions. It has diminished PCIe connectivity from Gen 5 to Gen 4 on each motherboards, however in response to Der8auer this once more seems to be a motherboard-specific limitation to maintain value down and never a limitation of the chipset. Asus board is an ATX answer whereas ASRock board is a micro ATX answer.
Probably the most distinctive facet of each playing cards is the 90-degree orientation of the AM5 socket, which is just frequent on server platforms and workstation platforms just like the Xeon W3400 collection or Threadripper Professional.
The 90-degree orientation is uncommon for shopper platforms, however extremely opportunistic for server cooling options and enclosures the place most of those playing cards will possible stay. The 90 diploma rotation implies that lengthy server-grade coolers with fins that stretch a couple of mm additional outward than normal coolers can be utilized. This permits air to remain within the cooler fins longer and draw extra warmth from the fin stack, reducing temperatures by two or three levels Celsius.
One other cooling advantage of the 90 diploma rotation is the repositioning of the DDR5 DIMM slots from the facet of the board to the highest. This opens up airflow from the inlet of the case to the CPU cooler, and in addition cools DDR5 reminiscence higher as air passes vertically over the slots within the modules fairly than horizontally.
Der8auer demonstrated this functionality with the Asus B665 motherboard housed inside a Hetzner AX52 server rack mount chassis. The 90-degree orientation allowed using an prolonged server cooler, and the rear exhaust fan was completely ready to attract air instantly into the heatsink fins. Should you’re not conversant in rack mount servers, case followers are designed to chill each the case and the heatsink itself. Eliminates the necessity for devoted case followers and CPU cooling followers.
This type of cooling metrology could be nice for methods utilizing these consumer-based workstation motherboards. Motherboard producers have been producing workstation motherboards for shopper platforms from Intel and AMD for years as a substitute answer to costlier and devoted server {hardware}. That is nice for small workstations or server purposes that do not require all of the options or horsepower of a Xeon or AMD EPYC processor.
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