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ASROCK X99 WS User Manual

ASROCK X99 WS
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16
English
2.3 Installation of Memory Modules (DIMM)
is motherboard provides eight 284-pin DDR4 (Double Data Rate 4) DIMM slots, and
supports Quad Channel Memory Technology.
Quad Channel Memory Conguration
Priority 1 2
DDR4_A1
Populated Populated
DDR4_A2
Populated
DDR4_B1
Populated Populated
DDR4_B2
Populated
DDR4_C1
Populated Populated
DDR4_C2
Populated
DDR4_D1
Populated Populated
DDR4_D2
Populated
•
Due to Intel® CPU spec denition, please install the memory modules on DDR4_A1,
DDR4_B1, DDR4_C1 and DDR4_D1 for rst priority. If the four DDR4 DIMM slots
above are fully installed, and you want to use more than four memory modules, please
install the other memory modules from le to right (from DDR4_A2, DDR4_B2,
DDR4_D2 to DDR4_C2.)
•
If only two memory modules are installed in the DDR4 DIMM slots, then Dual
Channel Memory Technology is activated. If three memory modules are installed, then
Triple Channel Memory Technology is activated. If more than four memory modules
are installed in the DDR4 DIMM slots, then Quad Channel Memory Technology is
activated.
1. For quad channel conguration, you always need to install identical (the same
brand, speed, size and chip-type) DDR4 DIMM pairs.
2. It is not allowed to install a DDR, DDR2 or DDR3 memory module into a DDR4
slot; otherwise, this motherboard and DIMM may be damaged.
3. e DIMM only ts in one correct orientation. It will cause permanent damage to
the motherboard and the DIMM if you force the DIMM into the slot at incorrect
orientation.

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ASROCK X99 WS Specifications

General IconGeneral
BrandASROCK
ModelX99 WS
CategoryMotherboard
LanguageEnglish

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