Alternative to KFJ-E50-4G: Better-Value Equivalents in Stock
Comparing the KFJ-E50-4G (Kingston KFJ-E50/4G 4GB Kit (2 X 2GB) DDR2-533MHz PC2-4200 ECC Unbuffered CL4 240-Pin DIMM 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 KFJ-E50-4G
| SKU | KFJ-E50-4G |
|---|---|
| Product | Kingston KFJ-E50/4G 4GB Kit (2 X 2GB) DDR2-533MHz PC2-4200 ECC Unbuffered CL4 240-Pin DIMM Memory |
| Current price | $176.59 |
| Stock status | In Stock |
| Detail page | View KFJ-E50-4G › |
Alternatives to KFJ-E50-4G
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 KFJ-BX533K2/4G 4GB Kit (2 X 2GB) DDR2-533MHz PC2-4200 ECC Fully Buffered CL4 240-Pin DIMM Memory
SKU: KFJ-BX533K2-4G
Price: $155.68
Kingston KFJ-BX533K2/8G 8GB Kit (2 X 4GB) DDR2-533MHz PC2-4200 ECC Fully Buffered CL4 240-Pin DIMM Memory
SKU: KFJ-BX533K2-8G
Price: $172.91
Kingston KFJ-BX667K2/4G 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: KFJ-BX667K2-4G
Price: $155.68
Kingston KFJ-E50A/4G 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Unbuffered CL5 240-Pin DIMM Dual Rank Memory
SKU: KFJ-E50A-4G
Price: $165.55
Kingston KFJ-RX200/4G 4GB Kit (2 X 2GB) DDR2-400MHz PC2-3200 ECC Registered CL3 240-Pin DIMM Memory
SKU: KFJ-RX200-4G
Price: $173.49
Kingston Technology KFJ-BX667LPK2/4G 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Memory
SKU: KFJ-BX667LPK2-4G
Price: $173.49
Kingston KFJ-RX200SR/4G 4GB Kit (2 X 2GB) DDR2-400MHz PC2-3200 ECC Registered CL3 240-Pin DIMM Single Rank Memory
SKU: KFJ-RX200SR-4G
Price: $236.01
Kingston KFJ-BX667K2/8G 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Quad Rank Memory
SKU: KFJ-BX667K2-8G
Price: $161.87
Kingston KFJ-E50A/8G 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Unbuffered CL5 240-Pin DIMM Dual Rank Memory
SKU: KFJ-E50A-8G
Price: $361.05
Kingston KFJ-TX200/4G 4GB Kit (2 X 2GB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory
SKU: KFJ-TX200-4G
Price: $145.86
Kingston KFJ-PRF250/4G 4GB Kit (2 X 2GB) DDR-200MH PC1600z ECC Registered CL2 184-Pin DIMM Memory
SKU: KFJ-PRF250-4G
Price: $162.14
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.