This HP 815101-B21 Compatible 64GB DDR4-2666MHz quad rank load-reduced ECC 1.2V 288-pin CL17 factory original LRDIMM is 100% guaranteed to be compatible with your system and to work right the first time. All of our server memory is built to strict JEDEC standards at one of the tier 1 facilities (Samsung, Micron, or Hynix). Our products are also guaranteed by federal law to not affect or void OEM warranties.
Products specifications
| Attribute name | Attribute value | 
|---|
| Master (outer) case weight | 12 oz | 
| Master (outer) case length | 6.5" | 
| Master (outer) case width | 2" | 
| Master (outer) case height | 0.5" | 
| Internal memory | 64 GB | 
| Internal memory type | DDR4 | 
| Memory clock speed | 2666 MHz | 
| CAS latency | 17 | 
| Memory ranking | 4 | 
| ECC | Yes |