288pin UDIMM DDR4 A3 референсная схема с сайта jedec + boardview

288pin Unbuffered DIMM based on 8Gb C-die DDR4 datasheet

Advantech 288 Pin DDR4 1.2V 2666 UDIMM 8GB Based on 1Gx8 with SPD

Introduction

Gigabyte DDR4

JEDEC Standard No. 21-C, SPD content, стандарт для данных SPD DDR4

JESD79-4 JEDEC STANDARD DDR4 SDRAM

Datasheet

Samsung

Preliminary

4Gb Q-die DDR3L SDRAM Olny x16 1.35V
96FBGA with Lead-Free & Halogen-Free
(RoHS compliant)

Datasheet

Samsung

8Gb B-die DDR4 SDRAM 1.2V 
78FBGA with Lead-Free & Halogen-Free
(RoHS compliant)

K4A8G045WB, K4A8G085WB

Device Operation & Timing Diagram

Samsung

DDR4 SDRAM Specification

Product Guide

Samsung DDR4 SDRAM Memory