Samsung 64GB DDR4 2666MHz PC4-21300 ECC LRDIMM 4Rx4 Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory M386A8K40CM2-CTD
Bottom line: The Samsung 64GB DDR4 2666MHz PC4-21300 ECC LRDIMM 4Rx4 Quad Rank 1.2V is a specs-and-price decision rather than a crowd-consensus one in the memory & ram category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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Pros & Cons
Pros
- ✓ Samsung DDR4 Memory RAM | Part Number: M386A8K40CM2-CTD
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
Manufacturer description
Brand:SamsungPart Number:M386A8K40CM2-CTDMemory Type:DDR4Memory Size:Single 64 GB ModuleForm Factor:DIMM ( 288 Pin )ECC Type:ECC-LRDIMM ( Load Reduced DIMM )Speed:2666 MHz / 2667 MHz ( PC4-21300 / PC4-2666V )Rank:4Rx4 - Quad Rank x4Voltage:1.2VCompatible for Server systems ONLY; NOT COMPATIBLE with Desktop Computers, Laptop Computers, or PCs of any kind
SpecPicks Verdict
SpecPicks scored Samsung 64GB DDR4 2666MHz PC4-21300 ECC LRDIMM 4Rx4 Quad Rank 1.2V… using a rating × review-volume × price-fit model applied to published specs and reviews across the memory & ram category. Compare with similarly-priced alternatives in the memory & ram category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for memory & ram of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- Samsung DDR4 Memory RAM | Part Number: M386A8K40CM2-CTD
- Single 64 GB RAM Module; DDR4 DIMM 288-Pin; Speeds up to 2666/2667-MHz, PC4-21300 (PC4-2666V)
- ECC Load Reduced LRDIMM; 4Rx4 (Quad Rank x4); JEDEC DDR4 standard 1.2V
- Compatible for select Server systems ONLY; NOT COMPATIBLE with Desktop Computers, Laptop Computers, or PCs of any kind
- Note: This memory is ECC Load Reduced and cannot be mixed with different ECC types such as ECC Registered, ECC Unbuffered, or Non-ECC Unbuffered; (Memory compatibility can vary among different system models and their installed components; please verify compatibility and follow memory channel guidelines to ensure maximum performance)
- Expands your system's available memory resource improving performance, reducing bottlenecks, and increasing workload capacity
Full Specifications
| Brand | Samsung |
|---|---|
| Voltage | 1.2 volts |
| RAM Size | 64 GB |
| Form Factor | DIMM |
| Memory Speed | 2666 MHz |
| Model Number | M386A8K40CM2-CTD |
| Item Type Name | computer-internal-memory |
| Number of Pins | 288 |
| Mfr Part Number | M386A8K40CM2-CTD |
| Number of Items | 1 |
| Memory Generation | DDR4 |
| Compatible Devices | Server |
| Data Transfer Rate | 21300 megabytes_per_second |
| Memory Form Factor | DIMM |
| Additional Features | ECC Load Reduced |
| Computer Memory Size | 64 GB |
| Warranty Description | Limited Lifetime Warranty covering defects in materials and workmanship |
| RAM Memory Technology | DDR4 |
| Column Address Strobe Latency | 19 |
| Samsung DDR4 Memory RAM | Part Number | M386A8K40CM2-CTD |
Ready to buy?
Samsung 64GB DDR4 2666MHz PC4-21300 ECC LRDIMM 4Rx4 Quad Rank 1.2V Load Reduced DIMM 288-Pin Server RAM Memory M386A8K40CM2-CTD is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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