Alternative to 838089-K21: Better-Value Equivalents in Stock
Comparing the 838089-K21 (838089-K21 - HP 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 RDIMM 1.2V Dual-Rank 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 838089-K21
| SKU | 838089-K21 |
|---|---|
| Product | 838089-K21 - HP 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 RDIMM 1.2V Dual-Rank Memory Module |
| Current price | $196.91 |
| Stock status | In Stock |
| Detail page | View 838089-K21 › |
Alternatives to 838089-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.
838089-B21 - HP 16GB DDR4-2666MHz PC4-21300 ECC Registered CL19 288-Pin DIMM 1.2V Dual Rank Memory Module
SKU: 838089-B21
Price: $254.74
838089-H21 - HP 16GB DDR4-2666 MHz PC4-21300 ECC Registered CL19 288-Pin RDIMM 1.2V Memory Module
SKU: 838089-H21
Price: $186.59
835958-B21 - HP 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 RDIMM Memory Module
SKU: 835958-B21
Price: $186.59
833089-B21 - HP 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 RDIMM Memory Module
SKU: 833089-B21
Price: $186.59
832796-B21 - HP 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 RDIMM Memory Module
SKU: 832796-B21
Price: $186.59
840756-001 - HP 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 RDIMM Memory Module
SKU: 840756-001
Price: $186.59
840756-K91 - HPE 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 RDIMM Memory Module
SKU: 840756-K91
Price: $186.59
840756-091U - HPE 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 RDIMM Memory Module
SKU: 840756-091U
Price: $186.59
838089R-B21 - HP 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 RDIMM 1.2V Dual-Rank Memory Module
SKU: 838089R-B21
Price: $186.59
840766-001 - HP 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 RDIMM Memory Module
SKU: 840766-001
Price: $186.59
840756-291 - HP 16GB PC4-21300 DDR4-2666MHz ECC Registered CL19 RDIMM Memory Module
SKU: 840756-291
Price: $186.59
835955R-B21 - HP 16GB PC4-21300 DDR4-2666Mhz ECC Registered CL19 RDIMM 1.2V Dual-Rank Memory
SKU: 835955R-B21
Price: $186.59
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.