| Module Type | Chip Type | Clock Speed | Bus Speed | Transfer Rate (bit/s) |
| PC-66 SDR SDRAM | 10/15 ns | 66 MHz | 66 MT/s | 4.2264 Gbit/s |
| PC-100 SDR SDRAM | 8 ns | 100 MHz | 100 MT/s | 6.4 Gbit/s |
| PC-133 SDR SDRAM | 7/7.5 ns | 133 MHz | 133 MT/s | 8.528 Gbit/s |
| PC-1600 DDR SDRAM | DDR-200 | 100 MHz | 200 MT/s | 12.8 Gbit/s |
| PC-2100 DDR SDRAM | DDR-266 | 133 MHz | 266 MT/s | 17.034 Gbit/s |
| PC-2700 DDR SDRAM | DDR-333 | 166 MHz | 333 MT/s | 21.336 Gbit/s |
| PC-3200 DDR SDRAM | DDR-400 | 200 MHz | 400 MT/s | 25.6 Gbit/s |
| PC2-3200 DDR2 SDRAM | DDR2-400 | 200 MHz | 400 MT/s | 25.6 Gbit/s |
| PC-3500 DDR SDRAM | DDR-433 | 216 MHz | 433 MT/s | 27.728 Gbit/s |
| PC-3700 DDR SDRAM | DDR-466 | 233 MHz | 466 MT/s | 29.864 Gbit/s |
| PC-4000 DDR SDRAM | DDR-500 | 250 MHz | 500 MT/s | 32 Gbit/s |
| PC-4200 DDR SDRAM | DDR-533 | 266 MHz | 533 MT/s | 34.128 Gbit/s |
| PC2-4200 DDR2 SDRAM | DDR2-533 | 266 MHz | 533 MT/s | 34.128 Gbit/s |
| PC-4400 DDR SDRAM | DDR-550 | 275 MHz | 550 MT/s | 35.2 Gbit/s |
| PC-4800 DDR SDRAM | DDR-600 | 300 MHz | 600 MT/s | 38.4 Gbit/s |
| PC2-5300 DDR2 SDRAM | DDR2-667 | 333 MHz | 667 MT/s | 42.664 Gbit/s |
| PC2-6000 DDR2 SDRAM | DDR2-750 | 375 MHz | 750 MT/s | 48 Gbit/s |
| PC2-6400 DDR2 SDRAM | DDR2-800 | 400 MHz | 800 MT/s | 51.2 Gbit/s |
| PC3-6400 DDR3 SDRAM | DDR3-800 | 400 MHz | 800 MT/s | 51.2 Gbit/s |
| PC2-7200 DDR2 SDRAM | DDR2-900 | 450 MHz | 900 MT/s | 57.6 Gbit/s |
| PC2-8000 DDR2 SDRAM | DDR2-1000 | 500 MHz | 1 GT/s | 57.6 Gbit/s |
| PC2-8500 DDR2 SDRAM | DDR2-1066 | 533 MHz | 1.066 GT/s | 64 Gbit/s |
| PC3-8500 DDR3 SDRAM | DDR3-1066 | 533 MHz | 1.066 GT/s | 64 Gbit/s |
| PC2-8800 DDR2 SDRAM | DDR2-1100 | 550 MHz | 1.1 GT/s | 70.4 Gbit/s |
| PC2-8888 DDR2 SDRAM | DDR2-1100 | 556 MHz | 1.111 GT/s | 71.104 Gbit/s |
| PC2-9136 DDR2 SDRAM | DDR2-1142 | 571 MHz | 1.142 GT/s | 73.088 Gbit/s |
| PC2-9200 DDR2 SDRAM | DDR2-1150 | 575 MHz | 1.15 GT/s | 73.6 Gbit/s |
| PC2-9600 DDR2 SDRAM | DDR2-1200 | 600 MHz | 1.2 GT/s | 76.8 Gbit/s |
| PC2-10000 DDR2 SDRAM | DDR2-1250 | 625 MHz | 1.25 GT/s | 80 Gbit/s |
| PC3-10600 DDR3 SDRAM | DDR3-1333 | 667 MHz | 1.333 GT/s | 85.336 Gbit/s |
| PC3-11000 DDR3 SDRAM | DDR3-1375 | 688 MHz | 1.375 GT/s | 88 Gbit/s |
| PC3-12800 DDR3 SDRAM | DDR3-1600 | 800 MHz | 1.6 GT/s | 102.4 Gbit/s |
| PC4-12800 DDR4 SDRAM | DDR4-1600 | 800 MHz | 1.6 GT/s | 102.4 Gbit/s |
| PC3-13000 DDR3 SDRAM | DDR3-1625 | 813 MHz | 1.625 GT/s | 104 Gbit/s |
| PC3-14400 DDR3 SDRAM | DDR3-1800 | 900 MHz | 1.8 GT/s | 115.2 Gbit/s |
| PC3-14900 DDR3 SDRAM | DDR3-1866 | 933 MHz | 1.866 GT/s | 119.464 Gbit/s |
| PC3-15000 DDR3 SDRAM | DDR3-1866 | 933 MHz | 1.866 GT/s | 119.464 Gbit/s |
| PC4-15000 DDR4 SDRAM | DDR4-1866 | 933 MHz | 1.866 GT/s | 119.464 Gbit/s |
| PC3-16000 DDR3 SDRAM | DDR3-2000 | 1 GHz | 2 GT/s | 128 Gbit/s |
| PC3-17000 DDR3 SDRAM | DDR3-2133 | 1.066 GHz | 2.133 GT/s | 136.528 Gbit/s |
| PC4-17000 DDR4 SDRAM | DDR4-2133 | 1.066 GHz | 2.133 GT/s | 136.528 Gbit/s |
| PC3-17600 DDR3 SDRAM | DDR3-2200 | 1.1 GHz | 2.2 GT/s | 140.8 Gbit/s |
| PC3-19200 DDR3 SDRAM | DDR3-2400 | 1.2 GHz | 2.4 GT/s | 153.6 Gbit/s |
| PC4-19200 DDR4 SDRAM | DDR4-2400 | 1.2 GHz | 2.4 GT/s | 153.6 Gbit/s |
| PC3-20800 DDR3 SDRAM | DDR3-2600 | 1.3 GHz | 2.6 GT/s | 166.4 Gbit/s |
| PC3-21300 DDR3 SDRAM | DDR3-2666 | 1.333 GHz | 2.666 GT/s | 170.4 Gbit/s |
| PC4-21300 DDR4 SDRAM | DDR4-2666 | 1.333 GHz | 2.666 GT/s | 170.4 Gbit/s |
| PC3-22400 DDR3-SDRAM | DDR3-2800 | 1.4 GHz | 2.8 GT/s | 179.2 Gbit/s |
| PC4-22400 DDR4 SDRAM | DDR4-2800 | 1.4 GHz | 2.8 GT/s | 179.2 Gbit/s |
| PC4-24000 DDR4 SDRAM | DDR4 3000 | 1.5 GHz | 3 GT/s | 192 Gbit/s |
| PC4-25600 DDR4 SDRAM | DDR4 3200 | 1.6 GHz | 3.2 GT/s | 204.8 Gbit/s |
| PC4-26400 DDR4 SDRAM | DDR4 3300 | 1.65 GHz | 3.3 GT/s | 211.2 Gbit/s |
| PC4-26600 DDR4 SDRAM | DDR4 3333 | 1.666 GHz | 3.333 GT/s | 212.8 Gbit/s |
| PC4-27200 DDR4 SDRAM | DDR4 3400 | 1.7 GHz | 3.4 GT/s | 217.6 Gbit/s |
Different Types of RAM Explained With Speed
