Replacement for KFJ-PRE40-256: Drop-In Alternatives We Stock
Looking for a replacement for the KFJ-PRE40-256 (Kingston KFJ-PRE40/256 256MB DDR-400MHz PC3200 ECC Unbuffered CL3 184-Pin DIMM Memory Module)? Pro Disk Network ships Kingston drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the KFJ-PRE40-256
| SKU | KFJ-PRE40-256 |
|---|---|
| Product | Kingston KFJ-PRE40/256 256MB DDR-400MHz PC3200 ECC Unbuffered CL3 184-Pin DIMM Memory Module |
| Current price | $101.45 |
| Stock status | In Stock |
| Detail page | View KFJ-PRE40-256 › |
Drop-in replacements for KFJ-PRE40-256
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-FPC50/256 256MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KFJ-FPC50-256
Price: $104.14
Kingston KFJ-FPC101/256 256MB DDR-333MHz PC2700 non-ECC Unbuffered CL2.5 200-Pin SoDimm Memory Module
SKU: KFJ-FPC101-256
Price: $106.22
Kingston KFJ-CEL266/256 256MB DDR-266MHz PC2100 non-ECC Unbuffered CL2.5 184-Pin DIMM Memory Module
SKU: KFJ-CEL266-256
Price: $106.22
Kingston KFJ-E600/512 512MB Kit (2 X 256MB) DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Memory
SKU: KFJ-E600-512
Price: $197.88
Kingston KFJ-NMS100/256 256MB 100MHz PC100 non-ECC Unbuffered CL2 144-Pin SoDimm Memory Module for Fujitsu-Siemens FMVNM25SD, FPCEM37
SKU: KFJ-NMS100-256
Price: $77.63
Kingston KFJ-FPC165/256 256MB DDR2-533MHz PC2-4200 non-ECC Unbuffered CL4 200-Pin SoDimm Memory Module
SKU: KFJ-FPC165-256
Price: $97.37
Kingston KFJ-DP100/256 256MB SDRAM 100MHz PC100 non-ECC Unbuffered CL2 168-Pin DIMM Memory Module
SKU: KFJ-DP100-256
Price: $165.79
Kingston KFJ-PRE40/512 512MB DDR-400MHz PC3200 ECC Unbuffered CL3 184-Pin DIMM Memory Module
SKU: KFJ-PRE40-512
Price: $106.22
Kingston KFJ-E600/2G 2GB Kit (2 X 1GB) DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Memory
SKU: KFJ-E600-2G
Price: $174.66
Kingston KFJ-PRE40/1G 1GB DDR-400MHz PC3200 ECC Unbuffered CL3 184-Pin DIMM Memory Module
SKU: KFJ-PRE40-1G
Price: $207.96
Kingston KFJ-E600/1G 1GB Kit (2 X 512MB) DDR-400MHz PC3200 non-ECC Unbuffered CL3 184-Pin DIMM Memory
SKU: KFJ-E600-1G
Price: $212.55
Kingston KFJ-R610/512 512MB Kit (2 X 256MB) DDR-266MHz PC2100 ECC Unbuffered CL2.5 184-Pin DIMM Memory
SKU: KFJ-R610-512
Price: $201.86
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.