The capacities of 24GB or 48GB per module were quite unusual until recently and, on both AMD, Intel platforms UEFI updates were necessary in order to fit such kits and be able to boot. The extra capacity is appreciated and, from our tests we have observed that the Crucial Pro 48GB can offer quite a bit of performance by using the same timings, up to 6600MHz.
CPU: Intel i7-13700K @ Stock
CPU Cooler: be quiet! Silent Loop 2 360mm AIO
Motherboard: BIOSTAR Z790 VALKYRIE LGA1700
RAM: currently tested kit
Video: PowerColor RX 5700
Power Supply: Cooler Master 850W
SSD: Silicon Power US70 1TB PCIe 4.0
Case: Cooler Master ATCS 840
The pre-programmed timings and frequencies can be also found by using AIDA64; the DRAM IC manufacturer is listed as Micron:
The main XMP profile is 6000 CL48, with a frequency of DDR5-6000, a rated voltage of 1.1V and CAS timings of 48-48-48-96. Crucial has also included a backup XMP one (5600 CL46) which comes with a frequency of DDR5-5600, an operating voltage of 1.1V and CAS latencies of 46-45-45-90. In terms of EXPO, we do get one DDR5-6000 profile with an operating voltage of 1.1V and CAS timings of 49-49-49-97, while the secondary, backup profile is DDR5-5600, with the same 1.1V voltage and CAS timings of 46-45-45-90.
We did first start testing this kit on our BIOSTAR Z790 VALKYRIE LGA1700 and the stability at stock speeds and had no stability issues.
Overclocking stage was next, which implied raising the frequency to 6200MHz, while leaving the stock CAS latencies. The system has proven itself very stable with only a small voltage jump at 1.25!
Next, we ran at 6400MHz, also with the same timings and sub-timings and we were impressed by full system stability at 1.25V!
Judging the current results, we went ahead and raised the frequency to 6600MHz and obtained full stability:
While our TM5 stability tests were solid at 6800MHz, we got crashes in SuperPI, so we did stop here.
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