In today’s test, everyone has to be strong: the mainboard, the CPU’s memory controller, the power bill during the stability test and, of course, the user. Particularly since DDR5, it is actually desirable to avoid fully populating all RAM slots. Otherwise the losses in the stable possible clock rate and consequently the performance are too great. This is precisely why most kits are limited to 1 module per channel, with the exception of a few either very slow and/or expensive kits.
At least the former is definitely not the case with today’s test subject. Biwin has not only provided us with one of the few DDR5 kits with 4 modules, but this one is also equipped on both sides. Four ranks each via two channels with 24 Gbit x8 ICs result in 192 GB net capacity. Oh, and the EXPO profile is at an easy DDR5-6000 CL28 at 1.4 V. Once everything that is possible. To put this in perspective, the fastest kits ever at 6000 Mbps have CL26, i.e. just 2 ticks less, and normally with only 2x 16 GB.
Black Opal OC Lab Gold Edition DW100 is the name of the Biwin kit with the product number OCBXL59260DW1-Q28FB, which was specially developed to fully utilize an AM5 system. An 8-zone RGB lighting and black aluminum heatspreaders with golden accents round off this breathtaking package.
Unboxing
The matt black outer box is adorned with a golden drawing of the included modules. The lettering “OC Optimized Split second” refers to the special selection of memory modules and optimization for overclocking. Compatibility with the RGB software of all common motherboard manufacturers is advertised and finally the capacity of 192 GB, consisting of 4×48 GB, is displayed on a sticker.
The usual warranty information (Lifetime Warranty) and conformity markings can be found on the back. Additional features mentioned are the “high efficiency” aluminum heat sinks and support for Intel XMP 3.0 and AMD EXPO. The module specifications are divided into 2 supposed kits with 2x 48 GB each, with the serial numbers of all modules following each other. Presumably just a side effect of the rather unusual kit configuration with 4 modules.
Inside there are 2 layers, each consisting of a transparent plastic carrier frame, which in turn contains 2 modules. These are additionally held in position with soft foam inserts so that nothing can slip and the light element is kept safe from any possibility of scratches.
This runs around the top of each module like a light strip and is bordered on the sides by the heatsink halves. These are made of black, electrophoresis-coated aluminum with gold imprints and stickers. The fact that the gold tones do not really match only becomes apparent at second glance. Just like the schematics of analog clocks, which can be found here as a design element on the lower side of the heat sink. As we all know, design is a matter of taste with culturally determined preferences. Personally, the “Biwin” and “Splitsecond” lettering would have been enough for me, the clocks and the shiny sticker would not have been necessary. But as soon as the modules are installed in the system, the golden accents fade into the background anyway.
On the back is the usual sticker with the specifications, product and serial number. 48 GB consisting of 2 ranks with 8 ICs each (2R*8) at DDR5-6000 with timings 28-36-36-102 and 1.4 V VDD are listed here again.
From the side, we can clearly see how the aluminum cooler halves embrace the RGB light element made of milky white acrylic. From below, we can see the two-sided assembly of the board with a total of 16 RAM components, which are thermally connected to the heatsinks with a light blue thermal pad.
From above, all you can really see is the light element with a black “DW100” lettering, which rounds off the design with active lighting as an effective negative. The heatsink halves that can be made out at the edge are by no means mounted crookedly, but actually vary in thickness as part of the design.
This is best seen at an angle from below. It looks a bit like an optical illusion when you follow the supposedly straight lines of the milled planes and end up somewhere else than expected. If you think about it for too long, you quickly end up somewhere between Inception and Dr. Strange with clocks running backwards and infinite staircases. Or is it just me?
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