A smaller chip with greater functionality: Takttreiber beschleungt RAM

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Desktop motherboards for Intel’s Arrow-Lake processors Core Ultra 200S are now available with new clocked unbuffered dual-inline memory modules (CUDIMMs). If you want your UDIMMs to be identical, you can use some of the winzig part – one of the next places is a smaller Zusatzchip.

Dabei acts as a takttreiber (Clock Driver, CKD). The speicher cycle frequency signal from the processor can be input via the motherboard and another DRAM module can be input. Der Vorteil: Dieser IC is in the heart of the chip festival on the platine of the DIMMs, soft drinks that ensure a stable connection that provides a signal quality during long Leiterbahnen, nor during the Steckconnectungen that are carried out.

Thanks for the “signal preparation” because the German cycle frequency is higher and overload is possible. And when the JEDEC specification is in, the processor repairers AMD and Intel have also stopped, also an overload.

CUDIMMs are not suitable for registered DIMMs (RDIMMs) for the server being used: Use puffer chips (buffer/register), the address and control signal of the CPU puffer and the built-in SDRAM chips on the other module. If you are using RDIMMs, it is best to use more SDRAM chips as UDIMMs and with Multi-Die-Chips. However, there are many RDIMMs that have more capacity than UDIMMs, of which 512 GByte is as much as 64 GByte.

Bisher has validated Intel and Speicherhersteller-ausschließlich Z890 motherboards for CUDIMMs. BIOS updates for other platforms will follow – they can only be used for AMD’s AM5. A concrete time plan no longer applies.

The Bauweise with Takttreibern is no longer on Riegel in UDIMM-Bauweise-beschränkt. Parallel CSODIMMs with glleicher technology for notebooks and mini PCs. This is an expert in the CAMM2-Bauweise with tacttreibern-möglich. This module is represented by the signal quality obtained by your build, which allows your small chip to make gains.

Höhere Übertragungsraten

When the JEDEC UDIMMs now have DDR5-5600 specifications and modules, this is no longer possible, with CUDIMMs DDR5-7200 drums are jewels with a standard voltage of 1.1 Volt. There are no higher cycle frequencies for charging and using 1.45 volts – Chinese modular repairers with V-Color and Asgard have DDR5-9600. A typical desktop processor with a dual channel interface can achieve 153.6 GByte/s – with DDR5-5600 up to 89.6 GByte/s.

Zum Vergleich: Over-the-counter UDIMMs, which use the JEDEC specifications, provide a unique repair to DDR5-8000, available up to DDR5-8400.

CUDIMMs are probably not guaranteed, but the cycle rate is higher: the controller in the processor can only use the cycle. Intel officially offers the Core Ultra 200S for DDR5-6400, if CUDIMMs are supplied – and now that it is official, if the motherboard is completely free of RAM sockets, there are four sockets that represent the motherboard complex. In practice, there are many reports that DDR5-6400 has the most platinum with four plug holes.

High Price zum Start

The Micron Tour is critical for the first major repairs to the CUDIMM frost. It used to be a DDR5-6400-Riegel. You can now pay a few cents in cost if you buy the market start price: a 32 GByte kit with two CUDIMMs, DDR5-6400 memory and CL52 latents that has an unlimited price of 153 euros. RAM memory with tactile memory, including standard UDIMMs, costs approximately 90 euros in that tactile class.

The price will remain in Monaten’s books. Most well-known repairers have introduced CUDIMMs, such as G.Skill and Kingston. 2025 Sollen 64 GByte-Module met Kit-Kapazitäten von bis zu 256 GByte erscheinen.

(mma)