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G.Skill is launching 'extreme low latency' 32GB DDR4-4000 memory kits | PC Gamer
G.SKILL Trident Z Royal Elite Series 64GB (2 x 32GB) RAM DDR4 4000 (PC4-32000) – ASA College: Florida
G.Skill Trident Z Royal Series 32GB (2 x 16GB) 288-Pin SDRAM DDR4 4000 (PC4-32000) CL18-22-22-42 1.40V Dual Channel Desktop Memory Model F4-4000C18D-32GTRS at Amazon.com
Corsair Vengeance RGB Pro 16GB (2x8GB) DDR4 4000 (PC4-32000) C18 AMD Optimized Memory – Black at Amazon.com
G.SKILL Ripjaws V Series 32GB (2 x 16GB) 288-Pin PC RAM DDR4 4000 (PC4 32000) Desktop Memory Model F4-4000C18D-32GVK - Walmart.com
DDR4 Memory at 4000 MT/s, Does It Make a Difference? | TechSpot