4 x 16 GB (64 GB) PC19200 DDR4 2400MHz SO-DIMM Memory, 260-Pin, 1.2 Volts, Non-registered, Non-ECC, Fully compliant with JEDEC specifications, ROHS compliant, warranty safe upgrade, CYCLE TIME: 0.83 ns, TIMING: CAS = 17.0, Full Parameters: 17-17-17-14, BANDWIDTH: 19.2GB/s, Low noise 8-layer PCB Program, Compatible with 2017 iMac: iMac w/Retina 5K display (27 inch mid 2017) Model ID: iMac18,3 (3.4GHz & 3.5GHz & 3.8GHz Core i5 & 4.2GHz Core i7) , Compatible with select PC Laptop, PC Notebook, & All in One Computers
OWC 64GB UPGRADE: Consists of TWO 32GB PC19200 DDR4 2400MHz SO-DIMM Memory, 260-Pin, 1.2 Volts, Non-registered, Non-ECC, Fully compliant with JEDEC specifications, ROHS compliant, warranty safe upgrade; Backed by OWC Memory Lifetime Limited Warranty including the OWC Lifetime Advanced Replacement Program
COMPATIBLE WITH: 2017 iMac: iMac w/Retina 5K display (27 inch mid 2017) Model ID: iMac18,3 (3.4GHz & 3.5GHz & 3.8GHz Core i5 & 4.2GHz Core i7)
COMPATIBLE WITH: PC Laptop, PC Notebook, All in One Computers, NAS, Synology, POS Systems
COMPATIBLE PART NUMBERS: CT16G4S24AM, CT2K16G4S24AM, KCP424SD8/16, KVR24S17D8/16, MP7N2G/A, HMA82GS7CJR8N‐UH, M471A2K43CB1-CRC, M471A2K43DB1-CRC, M471A2K43BB1‐CRC, CT16G4S24A, CT2K16G4S24A
INCREASED PERFORMANCE: Memory Upgrades are the Most Effective and Easy Way to Boost the Performance in Your Mac Pro