Intel Alder Lake-S appears in Intel PSU Test Plan Tables

Published: 25th Sep 2020, 15:10 GMT   Comments

It appears that @momomo_us found 11th Gen Core series and Alder Lake-S series, in previously unknown documents describing power supply voltage recommendations.

Intel Alder Lake-S with more strict PSU voltage requirements

Power Supply Unit Test Plans are basically blueprints for the motherboard and power supply manufacturers to prepare for the upcoming Intel Core series. The documents directly mention the 11th Gen Core series, which in this context means Rocket Lake-S (desktop processor series) and Alder Lake-S (interestingly not yet listed as 12th Gen core).

The Intel Test Plan Tables are used for two main purposes. The first purpose is to show what loading criteria of what Intel uses for these four sizes of power supplies as part of this Test Plan. This leads to the second purpose of the tables, these are recommended loading values between the six voltage rails of an ATX Power  Supply at these total power levels.

The test plans are divided into 300, 350, 400, and 450W groups (higher wattage PSUs specs should reflect the 450W group). A quick comparison between 11th and 12th Gen to 8th and 9th Gen tables appears to confirm that newer recommendations are more strict.

The values in these tables are of course not very important to consumers. These charts are meant for manufacturers who must follow the guidelines such as this document to receive necessary certifications.

Intel Alder Lake-S is a new desktop and mobile series of processors utilizing 10nm SuperFin architecture and hybrid technology (big and small cores). This generation is expected to be the biggest transition for Intel in consumer processors space since Kaby Lake.

11th Gen Core & Alder Lake (12th Gen?):

Intel 10th Gen (Rocket Lake-S) and 12th Gen Core (Alder Lake-S) PSU Test Plan Tables

8th Gen & 9th Gen Core:

Intel 8th Gen (Coffee Lake-S) and 9th Gen Core (Coffee Lake-R) PSU Test Plan Tables

Intel FM2 Rack (PSU test equipment)

Source: @momomo_us

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