15 DDR4 modules tracked. Samsung, SK Hynix, Micron.
| $/GB ▲ | Brand / Part No. | Capacity | Speed | Type | Rank/Org | Wty | Price | 90D | Buy |
|---|---|---|---|---|---|---|---|---|---|
| 👑$5.15 | Samsung M393A4K40CB1-CRC | 32GB | DDR4-2400 | RDIMM | — | 3yr | $164.95 | ▼ | Buy →Details |
| $9.36 | SK Hynix HMAA8GR7AJR4N-XN | 64GB | DDR4-3200 | RDIMM | — | 3yr | $599.00 | ▲ | Buy →Details |
| $10.31 | Samsung M393A4K40CB2-CTD 2 offers | 32GB | DDR4-2666 | RDIMM | — | 3yr | $329.99 | ▲ | Buy →Details |
| $10.67 | SK Hynix HMA84GR7CJR4N-VK | 32GB | DDR4-2666 | RDIMM | — | 3yr | $341.55 | ▲ | Buy →Details |
| Check availability | Samsung M393A8G40AB2-CWE | 64GB | DDR4-3200 | RDIMM | — | 3yr | Out of stock | Check availabilityDetails | |
| Check availability | Samsung M393A8G40BB4-CWE | 64GB | DDR4-3200 | RDIMM | — | 3yr | Out of stock | Check availabilityDetails | |
| Check availability | Kingston KSM32RD4/64MER | 64GB | DDR4-3200 | RDIMM | — | 3yr | Out of stock | Check availabilityDetails | |
| Check availability | Samsung M393A4K40DB3-CWE | 32GB | DDR4-3200 | RDIMM | — | 3yr | Out of stock | Check availabilityDetails | |
| Check availability | SK Hynix HMA84GR7DJR4N-XN | 32GB | DDR4-3200 | RDIMM | — | 3yr | Out of stock | Check availabilityDetails | |
| Check availability | Micron MTA36ASF4G72PZ-3G2R1 | 32GB | DDR4-3200 | RDIMM | — | 3yr | Out of stock | Check availabilityDetails | |
| Check availability | Kingston KSM32RD4/32MER | 32GB | DDR4-3200 | RDIMM | — | 3yr | Out of stock | Check availabilityDetails | |
| Check availability | SK Hynix HMA42GR7AFR4N-UH | 16GB | DDR4-2400 | RDIMM | — | 3yr | Out of stock | Check availabilityDetails | |
| Check availability | Samsung M393A2K43DB3-CWE | 16GB | DDR4-3200 | RDIMM | — | 3yr | Out of stock | Check availabilityDetails | |
| Check availability | SK Hynix HMA82GR7DJR8N-XN | 16GB | DDR4-3200 | RDIMM | — | 3yr | Out of stock | Check availabilityDetails | |
| Check availability | Micron MTA18ASF2G72PDZ-3G2R1 | 16GB | DDR4-3200 | RDIMM | — | 3yr | Out of stock | Check availabilityDetails |
Yes. DDR4 remains the standard for the majority of deployed enterprise servers. If your server uses DDR4, there is no upgrade path to DDR5 without replacing the CPU and motherboard. DDR4 prices are also significantly lower than DDR5.
Match or exceed your server's maximum supported speed. DDR4-3200 is the fastest DDR4 speed. DDR4-2666 and DDR4-2400 are common in older Xeon and EPYC platforms. Faster modules will downclock to your server's max speed.
Technically yes - all DIMMs will run at the speed of the slowest module. However, mixing speeds is not recommended for production servers. Use identical modules for optimal performance and stability.