ASRock Z270 Killer SLI/ac Quick Installation Guide - Page 21

Installing Memory Modules DIMM

Page 21 highlights

Z270 Killer SLI/ac / Z270 Killer SLI 2.3 Installing Memory Modules (DIMM) This motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots, and supports Dual Channel Memory Technology. 1. For dual channel configuration, you always need to install identical (the same brand, speed, size and chip-type) DDR4 DIMM pairs. 2. It is unable to activate Dual Channel Memory Technology with only one or three memory module installed. 3. 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. Dual Channel Memory Configuration Priority 1 2 3 DDR4_A1 Populated Populated DDR4_A2 Populated Populated DDR4_B1 Populated Populated DDR4_B2 Populated Populated The DIMM only fits 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. English 19

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English
19
Z270 Killer SLI/ac / Z270 Killer SLI
2.3
Installing Memory Modules (DIMM)
Tis motherboard provides four 288-pin DDR4 (Double Data Rate 4) DIMM slots,
and supports Dual Channel Memory ³echnology.
Dual Channel Memory Confguration
Te DIMM only ³ts 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.
Priority
DDR4_A1
DDR4_A2
DDR4_B1
DDR4_B2
1
Populated
Populated
2
Populated
Populated
3
Populated
Populated
Populated
Populated
1. For dual channel con³guration, you always need to install identical (the same
brand, speed, size and chip-type) DDR4 DIMM pairs.
2. It is unable to activate Dual Channel Memory ±echnology with only one or three
memory module installed.
3. 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.