memory - Why do dual-rank DIMMs have twice the bandwidth of quad-rank DIMMs? - Super User
Single Rank Memory vs. Dual Rank Memory (vs Quad Rank Memory) - OEMPCWorld
Performance increase for gamers: Memory with single-rank, dual-rank and quad -rank explained and compared | Practice with benchmarks | Page 3 | igor´sLAB
256GB (4X64GB) 4rx4 PC4-19200L DDR4 2400 MHz Ecc Lrdimm Load Reduced DIMM 288-Pin 4drx4 Quad Rank X4 Server RAM Memory Upgrade Kit - China Memory and DDR4 price | Made-in-China.com