Alternative to KVR21S1: Better-Value Equivalents in Stock
Comparing the KVR21S1 (KVR21S1 - Kingston 16GB DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Dual Rank Memory Module) against alternatives? Pro Disk Network stocks 12 similar Kingston 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 KVR21S1
| SKU | KVR21S1 |
|---|---|
| Product | KVR21S1 - Kingston 16GB DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Dual Rank Memory Module |
| Current price | $194.41 |
| Stock status | In Stock |
| Detail page | View KVR21S1 › |
Alternatives to KVR21S1
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.
Kingston Technology KVR21S15D8/16BK 16GB DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Dual Rank Memory Module
SKU: KVR21S15D8-16BK
Price: $194.41
Kingston Technology KCP421SD8/16 16GB DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Dual Rank Memory Module
SKU: KCP421SD8-16
Price: $194.41
Kingston Technology KVR21S15D8/16 16GB DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Dual Rank Memory Module
SKU: KVR21S15D8-16
Price: $194.41
Kingston Technology KVR21SE15D8/16 16GB DDR4-2133MHz PC4-17000 ECC Unbuffered CL15 260-Pin SoDimm 1.2V Dual Rank Memory Module
SKU: KVR21SE15D8-16
Price: $243.82
Kingston Technology KTH-PN421E/16G 16GB DDR4-2133MHz PC4-17000 ECC Unbuffered CL15 260-Pin SoDimm 1.2V Dual Rank Memory Module
SKU: KTH-PN421E-16G
Price: $243.82
Kingston Technology KVR21S15S8K2/16 16GB Kit (2 X 8GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Single Rank Memory
SKU: KVR21S15S8K2-16
Price: $263.07
Kingston Technology HX421S13IBK2/16 16GB Kit (2 X 8GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Memory
SKU: HX421S13IBK2-16
Price: $282.38
Kingston Technology HX421S14IBK4/16 16GB Kit (4 X 4GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Memory
SKU: HX421S14IBK4-16
Price: $292.70
Kingston Technology HX421S13IB/16 16GB DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Dual Rank Memory Module
SKU: HX421S13IB-16
Price: $440.16
Kingston Technology HX421S13IBK2/32 32GB Kit (2 X 16GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Memory
SKU: HX421S13IBK2-32
Price: $500.33
Kingston Technology HX421S14IBK4/64 64GB Kit (4 X 16GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 260-Pin SoDimm 1.2V Memory
SKU: HX421S14IBK4-64
Price: $932.03
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.