HyperX HX421S13IB/8 is a 1G x 64-bit (8GB) DDR4-2133 CL13 SDRAM (Synchronous DRAM) 2Rx8, memory module, based on sixteen 512M x 8-bit DDR4 FBGA components. Each module supports Intel® Extreme Memory Profiles (Intel® XMP) 2.0. This module has been tested to run at DDR4-2133 at a low latency timing of 13-13-13 at 1.2V. Additional timing parameters are shown in the PnP Timing Parameters section below. The JEDEC standard electrical and mechanical specifications are as follows: SPECIFICATIONS 13 cyclesCL(IDD) Row Cycle Time (tRCmin) 46.5ns (min.) Refresh to Active/Refresh 260ns (min.) Command Time (tRFCmin) Row Active Time (tRASmin) 33ns (min.) Maximum Operating Power TBD W* 0-V49gnitaRLU Operating Temperature 0°C to 85°C Storage Temperature -55°C to +100°C *Power will vary depending on the SDRAM used. HX421S13IB/8 8GB 1G x 64-Bit DDR4-2133 CL13 260-Pin SODIMM PnP JEDEC TIMING PARAMETERS: Note: The PnP feature offers a range of speed and timing options to support the widest variety of processors and chipsets. Your maximum speed will be determined by your BIOS. FEATURES • Power Supply: VDD = 1.2V Typical • VDDQ = 1.2V Typical • VPP - 2.5V Typical • VDDSPD = 2.25V to 3.6V • On-Die termination (ODT) • 16 internal banks; 4 groups of 4 banks each • Bi-Directional Differential Data Strobe • 8 bit pre-fetch • Burst Length (BL) switch on-the-fly BL8 or BC4(Burst Chop) • Height 1.18” (30.00mm)