Alternative to KD421RDK64: Better-Value Equivalents in Stock
Comparing the KD421RDK64 (KD421RDK64 - Kingston 64GB Kit (4 X 16GB) DDR4-2133MHz PC4-17000 ECC Registered CL15 288-Pin DIMM Dual Rank Memory) 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 KD421RDK64
| SKU | KD421RDK64 |
|---|---|
| Product | KD421RDK64 - Kingston 64GB Kit (4 X 16GB) DDR4-2133MHz PC4-17000 ECC Registered CL15 288-Pin DIMM Dual Rank Memory |
| Current price | $358.37 |
| Stock status | In Stock |
| Detail page | View KD421RDK64 › |
Alternatives to KD421RDK64
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 KVR21R15D4K4/64I 64GB Kit (4 X 16GB) DDR4-2133MHz PC4-17000 ECC Registered CL15 288-Pin DIMM 1.2V Dual Rank Memory
SKU: KVR21R15D4K4-64I
Price: $358.37
Kingston Technology KVR21R15D4K4/64 64GB Kit (4 X 16GB) DDR4-2133MHz PC4-17000 ECC Registered CL15 288-Pin DIMM 1.2V Dual Rank Memory
SKU: KVR21R15D4K4-64
Price: $358.37
Kingston Technology HX421C14FBK4/64 64GB Kit (4 X 16GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 288-Pin DIMM 1.2V Memory
SKU: HX421C14FBK4-64
Price: $907.39
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
Kingston Technology HX421C14FBK8/64 64GB Kit (8 X 8GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 288-Pin DIMM 1.2V Memory
SKU: HX421C14FBK8-64
Price: $1,011.43
Kingston Technology KVR21N15S8K2/16 16GB Kit (2 X 8GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 288-Pin DIMM 1.2V Single Rank Memory
SKU: KVR21N15S8K2-16
Price: $242.83
Kingston Technology HX421C13PBK4/16 16GB Kit (4 X 4GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 288-Pin DIMM 1.2V Dual Rank Memory
SKU: HX421C13PBK4-16
Price: $243.47
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 KVR21N15D8K2/16 16GB Kit (2 X 8GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 288-Pin DIMM 1.2V Dual Rank Memory
SKU: KVR21N15D8K2-16
Price: $263.07
Kingston Technology HX421C14FBK2/16 16GB Kit (2 X 8GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 288-Pin DIMM 1.2V Memory
SKU: HX421C14FBK2-16
Price: $272.50
Kingston Technology HX421C14FB2K2/16 16GB Kit (2 X 8GB) DDR4-2133MHz PC4-17000 non-ECC Unbuffered CL15 288-Pin DIMM 1.2V Memory
SKU: HX421C14FB2K2-16
Price: $272.50
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.