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而在日常生活中，大多数人所说的ssd固态硬盘就是说sata接口的协议固态硬盘，M.2固态硬盘值得则是使用nvme协议固态硬盘了。
前者（ssd固态硬盘）在速度这一块的话肯定是一般般的，但是价钱便宜容量还大；后者（M.2固态硬盘）在速度要快太多，但是价格贵。
所以二者之间的选择是个取舍问题，是选择性价比还是选择速度，单纯从性能上讲，当然是m2的好了。
理清M.2和SATA这两个概念；SATA可以指物理接口形式，也可以指协议通道，这两者并不是同一个层面的概念；而M.2则单纯的是指一种接口形式，但由于协议通道不同，又可以分为SATA M.2和NVMe M.2 ，前者SATA通道，后者则走PCIe*4通道（目前市面绝大数支持的PCIe3.0*4通道，少数支持PCIe4.0*4通道）。
| SODIMM DDR4-2666 4GB 1Rx16 | M471A5244CB0-CTD |
| SODIMM DDR4-3200 4GB 1Rx16 | M471A5244CB0-CWE |
| SODIMM DDR4-2666 8GB 1Rx8 | M471A1K43CB1-CTD |
| SODIMM DDR4-2666 8GB 1Rx8 | M471A1K43DB1-CTD |
| SODIMM DDR4-3200 8GB 1Rx8 | M471A1K43DB1-CWE |
| SODIMM DDR4-3200 8GB 1Rx8 | M471A1K43EB1-CWE |
| SODIMM DDR4-3200 8GB 1Rx16 | M471A1G44AB0-CWE |
| SODIMM DDR4-2666 16GB 2Rx8 | M471A2K43CB1-CTD |
| SODIMM DDR4-2666 16GB 2Rx8 | M471A2K43DB1-CTD |
| SODIMM DDR4-3200 16GB 2Rx8 | M471A2K43DB1-CWE |
| SODIMM DDR4-3200 16GB 2Rx8 | M471A2K43EB1-CWE |
| SODIMM DDR4-3200 16GB 1Rx8 | M471A2G43AB2-CWE |
| SODIMM DDR4-2666 32GB 2Rx8 | M471A4G43MB1-CTD |
| SODIMM DDR4-3200 32GB 2Rx8 | M471A4G43AB1-CWE |
| SODIMM DDR5-4800 8GB | M425R1GB4BB0-CQK |
| SODIMM DDR5-4800 16GB | M425R2GA3BB0-CQK |
| SODIMM DDR5-4800 32GB | M425R4GA3BB0-CQK |
| UDIMM DDR4-2666 4GB 1Rx16 | M378A5244CB0-CTD |
| UDIMM DDR4-3200 4GB 1Rx16 | M378A5244CB0-CWE |
| UDIMM DDR4-2666 8GB 1Rx8 | M378A1K43CB2-CTD |
| UDIMM DDR4-2666 8GB 1Rx8 | M378A1K43DB2-CTD |
| UDIMM DDR4-3200 8GB 1Rx8 | M378A1K43DB2-CWE |
| UDIMM DDR4-3200 8GB 1Rx8 | M378A1K43EB2-CWE |
| UDIMM DDR4-3200 8GB 1Rx16 | M378A1G44AB0-CWE |
| UDIMM DDR4-2666 16GB 2Rx8 | M378A2K43CB1-CTD |
| UDIMM DDR4-2666 16GB 2Rx8 | M378A2K43DB1-CTD |
| UDIMM DDR4-3200 16GB 2Rx8 | M378A2K43EB1-CWE |
| UDIMM DDR4-3200 16GB 1Rx8 | M378A2G43AB3-CWE |
| UDIMM DDR4-2666 32GB 2Rx8 | M378A4G43MB1-CTD |
| UDIMM DDR4-3200 32GB 2Rx8 | M378A4G43AB2-CWE |
| UDIMM DDR5-4800 8GB | M323R1GB4BB0-CQK |
| UDIMM DDR5-4800 16GB | M323R2GA3BB0-CQK |
| UDIMM DDR5-4800 32GB | M323R4GA3BB0-CQK |
| ECC UDIMM DDR4-3200 8GB 1Rx8 | M391A1K43DB2-CWE |
| ECC UDIMM DDR4-2400 16GB 2Rx8 | M391A2K43BB1-CRC |
| ECC UDIMM DDR4-2666 16GB 2Rx8 | M391A2K43BB1-CTD |
| ECC UDIMM DDR4-2933 16GB 2Rx8 | M391A2K43DB1-CVF |
| ECC UDIMM DDR4-3200 16GB 2Rx8 | M391A2G43BB2-CWE |
| ECC UDIMM DDR4-3200 16GB 2Rx8 | M391A2K43DB1-CWE |
| ECC UDIMM DDR4-2666 32GB 2Rx8 | M391A4G43MB1-CTD |
| ECC UDIMM DDR4-2933 32GB 2Rx8 | M391A4G43AB1-CVF |
| ECC UDIMM DDR4-3200 32GB 2Rx8 | M391A4G43AB1-CWE |
| ECC UDIMM DDR4-3200 32GB 2Rx8 | M391A4G43BB1-CWE |
| ECC SODIMM DDR4-2666 8GB 1Rx8 | M474A1K43BB1-CTD |
| ECC SODIMM DDR4-3200 8GB 1Rx8 | M474A1K43DB1-CWE |
| ECC SODIMM DDR4-3200 16GB | M474A2G43BB2-CWE |
| ECC SODIMM DDR4-2666 32GB 2Rx8 | M474A4G43MB1-CTD |
| RDIMM DDR4-2933 16GB 1Rx4 | M393A2K40CB2-CVF |
| RDIMM DDR4-2933 16GB 1Rx4 | M393A2K40DB2-CVF |
| RDIMM DDR4-2933 16GB 2Rx8 | M393A2K43CB2-CVF |
| RDIMM DDR4-2933 16GB 2Rx8 | M393A2K43DB2-CVF |
| RDIMM DDR4-2933 16GB 2Rx8 | HMA82GR7DJR8N-WM |
| RDIMM DDR4-3200 16GB 2Rx4 | MTA36ASF2G72PZ-3G2F2 |
| RDIMM DDR4-3200 16GB 1Rx4 | M393A2K40DB3-CWE |
| RDIMM DDR4-3200 16GB 1Rx4 | M393A2K40EB3-CWE |
| RDIMM DDR4-3200 16GB 2Rx8 | M393A2K43DB3-CWE |
| RDIMM DDR4-3200 16GB 2Rx8 | M393A2K43EB3-CWE |
| RDIMM DDR4-3200 16GB 1Rx4 | HMA82GR7DJR4N-XN |
| RDIMM DDR4-3200 16GB 2Rx8 | HMA82GR7DJR8N-XN |
| RDIMM DDR4-2666 32GB 2Rx4 | HMA84GR7JJR4N-VK |
| RDIMM DDR4-2933 32GB 2Rx4 | MTA36ASF4G72PZ-2G9E2 |
| RDIMM DDR4-2933 32GB 2Rx8 | MTA18ASF4G72PDZ-2G9E1 |
| RDIMM DDR4-2933 32GB 2Rx4 | M393A4K40CB2-CVF |
| RDIMM DDR4-2933 32GB 2Rx4 | M393A4K40DB2-CVF |
| RDIMM DDR4-2933 32GB 2Rx8 | M393A4G43AB3-CVF |
| RDIMM DDR4-2933 32GB 1Rx4 | HMAA4GR7AJR4N-WMT4 |
| RDIMM DDR4-2933 32GB 2Rx8 | HMAA4GR7AJR8N-WM |
| RDIMM DDR4-3200 32GB 2Rx4 | MTA36ASF4G72PZ-3G2J3 |
| RDIMM DDR4-3200 32GB 2Rx4 | MTA36ASF4G72PZ-3G2R1 |
| RDIMM DDR4-3200 32GB 2Rx8 | MTA18ASF4G72PDZ-3G2E1 |
| RDIMM DDR4-3200 32GB 2Rx4 | M393A4K40DB3-CWE |
| RDIMM DDR4-3200 32GB 2Rx4 | M393A4K40EB3-CWE |
| RDIMM DDR4-3200 32GB 2Rx4 | HMA84GR7DJR4N-XN |
| RDIMM DDR4-3200 32GB 2Rx8 | M393A4G43AB3-CWE |
| RDIMM DDR4-3200 32GB 1Rx4 | HMAA4GR7AJR4N-XN |
| RDIMM DDR4-3200 32GB 2Rx8 | HMAA4GR7AJR8N-XN |
| RDIMM DDR4-3200 32GB 2Rx8 | HMAA4GR7CJR8N-XN |
| RDIMM DDR4-2933 64GB 2Rx4 | M393A8G40MB2-CVF |
| RDIMM DDR4-2933 64GB 2Rx4 | M393A8G40AB2-CVF |
| RDIMM DDR4-2933 64GB 2Rx4 | HMAA8GR7AJR4N-WM |
| RDIMM DDR4-3200 64GB 2Rx4 | M393A8G40AB2-CWE |
| RDIMM DDR4-3200 64GB 2Rx4 | M393A8G40BB4-CWE |
| RDIMM DDR4-3200 64GB 2Rx4 | HMAA8GR7AJR4N-XN |
| RDIMM DDR4-3200 64GB 2Rx4 | HMAA8GR7CJR4N-XN |
| RDIMM DDR4-3200 128GB 4Rx4 | M393AAG40M32-CAE |
| RDIMM DDR4-2933 128GB 4Rx4 | M393AAG40M32-CYF |
| RDIMM DDR4-2933 128GB 4Rx4 | M393AAG40M3B-CYF |
| RDIMM DDR4-2666 128GB 8Rx4 | M393AAK40B42-CWD |
| RDIMM DDR4-2933 256GB 8Rx4 | M393ABG40M5B-CYF |
| LRDIMM DDR4-2933 64GB 4Rx4 | M386A8K40BM2-CVF |
| LRDIMM DDR4-2933 64GB 4Rx4 | M386A8K40CM2-CVF |
| LRDIMM DDR4-2666 64GB 4Rx4 | M386A8K40DM2-CTD |
| LRDIMM DDR4-2933 64GB 4Rx4 | M386A8K40DM2-CVF |
| LRDIMM DDR4-3200 64GB 4Rx4 | M386A8K40DM2-CWE |
| LRDIMM DDR4-3200 128GB 4Rx4 | M386AAG40AM3-CWE |
| LRDIMM DDR4-2933 256GB 8Rx4 | M386ABG40M5B-CYF |
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