Samsung DDR4-3200 ECC RDIMM Spec and Price in the United States
Samsung's M393A8G40BB4-CWE is the 64GB DDR4-3200 registered module, 2Rx4 ranks at CL22 and 1.2V per the listing that carries the part number. It tops the DDR4 RDIMM ladder — 3200 MT/s is the highest standard speed DDR4 servers boot — for the later EPYC and Xeon Scalable platforms that accept it, and its part number names the compatibility target for 64GB DDR4 registered memory aftermarkets.
Tied 13th of 18 models in the Server RAM catalog on Speed — 4 models share this figure.
Prices exclude sales tax.
The last tracked price for the 1x32GB Samsung DDR4-3200 ECC RDIMM in the United States was $377.00 at Amazon.com, captured 2026-08-19. Across one tracked merchant and 220 days of recorded prices, the 90-day median for the 1x32GB Samsung DDR4-3200 ECC RDIMM is $391.44 and the lowest recorded price is $49.99. This site began capturing prices on July 30, 2026; for Amazon listings, prices dated earlier come from Keepa's price history.
Captured periodically and may have changed.
- 1x64GB
- 1x32GB
Each point is one day's recorded price, not a list price. Points dated before July 30, 2026, when this site began capturing prices, come from Keepa's Amazon price history. How we track prices
Specifications
- Capacity
- 1x64GB
- Memory type
- DDR4
- Speed
- 3200 MT/s
- CAS latency
- Form factor
- RDIMM
- Voltage
- 1.2 V
- Modules
- 1
- RGB
- No
- ECC support
- Yes
Capacities
| Configuration | Part number | Speed | CAS latency | Current best price |
|---|---|---|---|---|
| 1x64GB | M393A8G40BB4-CWE | 3200 MT/s | 22 | $999.00 Price too old to confirm |
| 1x32GB | M393A8K40B22-CWD | 3200 MT/s | 22 | $377.00 Price too old to confirm |
Guides for this category
Sources
Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.