DDR4, DDR3, DDR2, DDR SDRAM DIMMs specifications – Synchronous Dynamics Random-Access Memory (RAM)

Synchronous dynamic random-access memory (SDRAM) is any dynamic random-access memory (DRAM) where the operation of its external pin interface is coordinated by an externally supplied clock signal.

DDR4 SDRAM DIMMs
Module	Chip	Memory clock	Bus speed	Transfer rate (bits)	Transfer rate (bytes)
PC4-25600	DDR4-3200	1600 MHz	3.2 GT/s	204.8 Gbit/s	25.6 GB/s
PC4-21300	DDR4-2666	1333 MHz	2.666 GT/s	170.4 Gbit/s	12.3 GB/s
PC4-19200	DDR4-2400	1200 MHz	2.4 GT/s	153.4 Gbit/s	19.2 GB/s
PC4-17000	DDR4-2133	1067 MHz	2.133 GT/s	136.5 Gbit/s	17 GB/s
PC4-14900	DDR4-1866	933 MHz	1.866 GT/s	119.2 Gbit/s	14.933 GB/s
PC4-12800	DDR4-1600	800 MHz	1.6 GT/s	102.2 Gbit/s	12.8 GB/s

DDR3 SDRAM DIMMs
Module	Chip	Memory clock	Bus speed	Transfer rate (bits)	Transfer rate (bytes)
PC3-24000	DDR3-3000	1500 MHz	3.0 GT/s	192 Gbit/s	24 GB/s
PC3-21300	DDR3-2666	1333 MHz	2.666 GT/s	170.4 Gbit/s	21.3 GB/s
PC3-19200	DDR3-2400	1200 MHz	2.4 GT/s	153.6 Gbit/s	19.2 GB/s
PC3-17600	DDR3-2200	1100 MHz	2.2 GT/s	140.8 Gbit/s	17.6 GB/s
PC3-17000	DDR3-2133	1067 MHz	2.133 GT/s	136.5 Gbit/s	17.066 GB/s
PC3-16000	DDR3-2000	1000 MHz	2 GT/s	128 Gbit/s	16 GB/s
PC3-15000	DDR3-1866	933 MHz	1.866 GT/s	119.5 Gbit/s	14.933 GB/s
PC3-14900	DDR3-1866	933 MHz	1.866 GT/s	119.5 Gbit/s	14.933 GB/s
PC3-14400	DDR3-1800	900 MHz	1.8 GT/s	115.2 Gbit/s	14.4 GB/s
PC3-13000	DDR3-1625	813 MHz	1.625 GT/s	104 Gbit/s	13 GB/s
PC3-12800	DDR3-1600	800 MHz	1.6 GT/s	102.4 Gbit/s	12.8 GB/s
PC3-11000	DDR3-1375	688 MHz	1.375 GT/s	88 Gbit/s	11 GB/s
PC3-10600	DDR3-1333	667 MHz	1.333 GT/s	85.3 Gbit/s	10.667 GB/s
PC3-8500	DDR3-1066	533 MHz	1.066 GT/s	68 Gbit/s	8.5 GB/s
PC3-6400	DDR3-800	400 MHz	0.800 GT/s	51.2 Gbit/s	6.4 GB/s

DDR2 SDRAM DIMMs
Module	Chip	Memory clock	Bus speed	Transfer rate (bits)	Transfer rate (bytes)
PC2-10000	DDR2-1250	625 MHz	1.25 GT/s	80 Gbit/s	10 GB/s
PC2-9600	DDR2-1200	600 MHz	1.2 GT/s	76.8 Gbit/s	9.6 GB/s
PC2-9200	DDR2-1150	575 MHz	1.15 GT/s	73.6 Gbit/s	9.2 GB/s
PC2-9136	DDR2-1142	571 MHz	1.142 GT/s	73.1 Gbit/s	9.136 GB/s
PC2-8888	DDR2-1100	550 MHz	1.111 GT/s	71.1 Gbit/s	8.888 GB/s
PC2-8800	DDR2-1100	550 MHz	1.1 GT/s	70.4 Gbit/s	8.8 GB/s
PC2-8500	DDR2-1066	533 MHz	1.066 GT/s	68 Gbit/s	8.5 GB/s
PC2-8000	DDR2-1000	500 MHz	1 GT/s	64 Gbit/s	8 GB/s
PC2-7200	DDR2-900	450 MHz	0.900 GT/s	57.6 Gbit/s	7.2 GB/s
PC2-6400	DDR2-800	400 MHz	0.800 GT/s	51.2 Gbit/s	6.4 GB/s
PC2-6000	DDR2-750	375 MHz	0.750 GT/s	48 Gbit/s	6 GB/s
PC2-5300	DDR2-667	333 MHz	0.667 GT/s	42.6 Gbit/s	5.333 GB/s
PC2-4200	DDR2-533	266 MHz	0.533 GT/s	34.1 Gbit/s	4.266 GB/s
PC2-3200	DDR2-400	200 MHz	0.400 GT/s	25.6 Gbit/s	3.2 GB/s

DDR SDRAM DIMMs
Module	Chip	Memory clock	Bus speed	Transfer rate (bits)	Transfer rate (bytes)
PC-4800	DDR-600	300 MHz	0.600 GT/s	38.4 Gbit/s	4.8 GB/s
PC-4400	DDR-550	275 MHz	0.550 GT/s	35.2 Gbit/s	4.4 GB/s
PC-4200	DDR-533	266 MHz	0.533 GT/s	34.1 Gbit/s	4.266 GB/s
PC-4000	DDR-500	250 MHz	0.500 GT/s	32 Gbit/s	4 GB/s
PC-3700	DDR-466	233 MHz	0.466 GT/s	29.8 Gbit/s	3.733 GB/s
PC-3500	DDR-433	216 MHz	0.433 GT/s	27.7 Gbit/s	3.466 GB/s
PC-3200	DDR-400	200 MHz	0.400 GT/s	25.6 Gbit/s	3.2 GB/s
PC-2700	DDR-333	166 MHz	0.333 GT/s	21.3 Gbit/s	2.667 GB/s
PC-2100	DDR-266	133 MHz	0.266 GT/s	17.0 Gbit/s	2.133 GB/s
PC-1600	DDR-200	100 MHz	0.200 GT/s	12.8 Gbit/s	1.6 GB/s