Brand: HPE (or compatible third-party) · SKU: 815100-S21 · MPN: 815100-S21 · Category: Components
This is a 32GB DDR4 Registered DIMM (RDIMM) memory module, operating at a speed of 2666MHz (PC4-21300). It features Dual Rank (2Rx4) configuration, supports ECC (Error-Correcting Code), and runs at 1.2V. This specific part number, 815100-S21, is an HPE (Hewlett Packard Enterprise) part, or a compatible equivalent from major manufacturers like Samsung, SK Hynix, or Micron, designed for ProLiant Gen10 Servers. Compatible third-party versions often come with a lifetime warranty and are guaranteed 100% HP Compatible, meeting or exceeding OEM specifications. The original HPE 815100-B21 equivalent module has a CAS Latency of CL19 and uses a 288-Pin form factor.
| Rank | Dual Rank (2Rx4) |
|---|---|
| Speed | 2666MHz (PC4-21300) |
| Voltage | 1.2V |
| Capacity | 32GB |
| CAS Latency | CL19 (for HPE 815100-B21 equivalent) |
| Form Factor | 288-Pin DIMM |
| Memory Type | DDR4 SDRAM |
| Error Correction | ECC Registered (RDIMM) |
| Warranty | Lifetime Warranty (for compatible units); 90 Days Warranty (for refurbished HPE units) |
| Weight | Approx. 45 grams (for similar module) |
| Dimensions | 288-Pin DIMM form factor |
The 815100-S21 is a 32GB server memory module compatible with HPE systems, typically ProLiant Gen10 servers. It is a high-performance, high-capacity DDR4 module designed for reliability with ECC support and registered buffering, making it suitable for enterprise and data center environments where stability and capacity are critical.
Yes, this HPE 32GB PC4-21300 DDR4-2666Mhz 2Rx4 1.2v ECC Registered RDIMM (Equivalent to 815100-S21) (815100-S21) is 100% genuine HPE (or compatible third-party) hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This HPE 32GB PC4-21300 DDR4-2666Mhz 2Rx4 1.2v ECC Registered RDIMM (Equivalent to 815100-S21) includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the 815100-S21.