Motherboard Reviews

ASUS Z390 ROG Maximus XI Apex Motherboard Review

The Apex of Performance on Z390

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Test System and Testing Procedures

Z390 Maximus XI Apex

As with all reviews, we try to keep the ambient temperature as close to 20°c (68°f) as possible. When the system was first turned on, it sat idles for about 20 minutes or so before any benchmarks were run or results recorded. We waited in between each benchmark no less than 20 minutes to give the system time to cool down a bit. We test everything from CPU and memory performance to gaming, audio, and networking. All benchmarks were run with both the CPU and GPU at their stock speeds. The Intel I9 9900k we used, on average, boosted to 4.7 GHz. The test results from the Z390 Maximus XI Apex were compared to the results from the Z390 Aorus Xtreme Waterforce and boards were tested with the same i9 9900k. For full disclosure, the I9 9900k used in this review is an engineering sample provided by Intel, not a retail CPU.  Both had G. Skill Trident Z memory running at 3200 MHz and used the same power supply. Both systems used open-air cases. Each benchmark was run three times and we went with the best overall results.

Product NameProvided By
ProcessorIntel Core I9-9900kIntel
MotherboardROG Z390 Maximus XI ApexASUS
MemoryG.Skill Trident Z DDR4 3200 MHz CAS 14  32 GBRetail Purchase
DriveCrucial P1 500 GB NVMe M.2 SSDCrucial
Video CardASUS RTX 2080 TI StrixRetail Purchase
MonitorLG 27UL500-W 27″ 3840×2160 @ 60 HzRetail Purchase
CasePrimochill Praxis WetbenchPrimochill
Power Supply1600 Watt EVGA SuperNova Ps 80+ Platinum Power SupplyEVGA
Operating SystemWindows 10 x64 Pro with latest patches and updates

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Paul Malfy

Paul started building computers in 1994. He studied journalism and computer science in college. Paul loves gaming but hardware is his true passion. News Writer and Product Reviewer.

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