Alternative to 815101-K21: Better-Value Equivalents in Stock
Comparing the 815101-K21 (815101-K21 - HP 64GB DDR4-2666 MHz PC4-21300 ECC Registered CL19 288-Pin LRDIMM 1.2V Memory Module) against alternatives? Pro Disk Network stocks 12 similar HP parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the 815101-K21
| SKU | 815101-K21 |
|---|---|
| Product | 815101-K21 - HP 64GB DDR4-2666 MHz PC4-21300 ECC Registered CL19 288-Pin LRDIMM 1.2V Memory Module |
| Current price | $709.63 |
| Stock status | In Stock |
| Detail page | View 815101-K21 › |
Alternatives to 815101-K21
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
815101-H21 - HP 64GB DDR4-2666 MHz PC4-21300 ECC Registered CL19 288-Pin LRDIMM 1.2V Memory Module
SKU: 815101-H21
Price: $531.58
815101-B21 - HP 64GB DDR4-2666 PC4-21300 ECC Registered Quad Rank x4 CL-19 288-Pin Load Reduced 1.2V DIMM Memory Module
SKU: 815101-B21
Price: $2,542.11
815101-S21 - HP 64GB DDR4-2666MHz PC4-21300 ECC -Registered CL19 288-PIN DIMM 1.2V Quad Rank Memory Module
SKU: 815101-S21
Price: $732.07
881901-B21 - HP 64GB DDR4-2666 MHz PC4-21300 ECC Registered CL19 288-Pin LRDIMM 1.2V Memory Module
SKU: 881901-B21
Price: $709.63
838085-H21 - HP 64GB DDR4-2666 MHz PC4-21300 ECC Registered CL19 288-Pin LRDIMM 1.2V Memory Module
SKU: 838085-H21
Price: $709.63
P05592-H21 - HP 64GB DDR4-2666 MHz PC4-21300 ECC Registered CL19 288-Pin RDIMM 1.2V Memory Module
SKU: P05592-H21
Price: $897.38
P05592-K21 - HP 64GB DDR4-2666 MHz PC4-21300 ECC Registered CL19 288-Pin RDIMM 1.2V Memory Module
SKU: P05592-K21
Price: $897.38
P05642-1A1 - HP 64GB DDR4-2666 MHz PC4-21300 ECC Registered CL19 288-Pin RDIMM 1.2V Memory Module
SKU: P05642-1A1
Price: $897.38
850882-001 - HP 64GB DDR4-2666 PC4-21300 ECC Registered Quad Rank x4 CL-19 288-Pin Load Reduced 1.2V DIMM Memory Module
SKU: 850882-001
Price: $615.79
840759-091 - HP 64GB DDR4-2666 PC4-21300 ECC Registered Quad Rank x4 CL-19 288-Pin Load Reduced 1.2V DIMM Memory Module
SKU: 840759-091
Price: $2,542.11
815102-H21 - HP 128GB DDR4-2666 MHz PC4-21300 ECC Registered CL19 288-Pin LRDIMM 1.2V Memory Module
SKU: 815102-H21
Price: $167.05
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.