Asus Z170-PRO User Guide - Page 19
Z170 PRO GAMING motherboard memory Qualified Vendors Lists QVL, DDR4 3400 O.C. MHz capability - gaming overclocking
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• You may install varying memory sizes in Channel A and Channel B. The system maps the total size of the lower-sized channel for the dual-channel configuration. Any excess memory from the higher-sized channel is then mapped for single-channel operation. • According to Intel® CPU spec, DIMM voltage below 1.65V is recommended to protect the CPU. • Due to the memory address limitation on 32-bit Windows® OS, when you install 4GB or more memory on the motherboard, the actual usable memory for the OS can be about 3GB or less. For effective use of memory, we recommend that you do any of the following: - Use a maximum of 3 GB system memory if you are using a 32-bit Windows® OS. - Install a 64-bit Windows® OS if you want to install 4GB or more on the motherboard. - For more details, refer to the Microsoft® support site at http://support.microsoft. com/kb/929605/en-us. • The default memory operation frequency is dependent on its Serial Presence Detect (SPD), which is the standard way of accessing information from a memory module. Under the default state, some memory modules for overclocking may operate at a lower frequency than the vendor-marked value. To operate at the vendor-marked or at a higher frequency, refer to section 2.5 Ai Tweaker menu for manual memory frequency adjustment. • Always install the DIMMS with the same CAS Latency. For an optimum compatibility, we recommend that you install memory modules of the same version or data code (D/C) from the same vendor. Check with the vendor to get the correct memory modules. • We highly recommend to use 4-DIMM/2-DIMM kit for full DIMM configuration. Full DIMM support is subject to the physical characteristics of individual CPUs or Memory. • For system stability, use a more efficient memory cooling system to support a full memory load (4 DIMMs) or overclocking condition. Z170 PRO GAMING motherboard memory Qualified Vendors Lists (QVL) DDR4 3400 (O.C.) MHz capability Vendors Part No. Size CORSAIR CMD16GX4M4B3400C16 16GB (4GB*4) ver. 4.23 SS/ Chip DS Brand SS Samsung Chip NO. K4A4G085WD Timing 16-18-18-38 Voltage 1.35V DIMM socket support (Optional) 2 DIMMs • DDR4 3333 (O.C.) MHz capability Vendors G.SKILL G.SKILL CORSAIR A-DATA Part No. Size SS/DS Chip Brand Chip NO. Timing F4-3333C16D-8GTZ 8GB(4GB*2) SS F4-3333C16Q-16GRKD 16GB(4GB*4) SS CMD16GX4M4B3333C16 ver4.23 16GB(4GB*4) SS AX4U3333W4G16 16GB(4GB*4) SS SK hynix H5AN4G8NMFR 16-18-18-38 Samsung K4A4G085WD 16-16-16-36 Samsung K4A4G085WD 16-18-18-36 SK hynix H5AN4G8NMFR 16-16-16-36 Voltage 1.35V 1.35V 1.35V 1.35V DIMM socket support (Optional) 2 DIMMs • • • • ASUS Z170 PRO GAMING 1-9