Alternative to 40U6420: Better-Value Equivalents in Stock
Comparing the 40U6420 (40U6420 - IBM 4GB DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Very Low Profile (VLP) Memory Module) against alternatives? Pro Disk Network stocks 12 similar IBM 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 40U6420
| SKU | 40U6420 |
|---|---|
| Product | 40U6420 - IBM 4GB DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Very Low Profile (VLP) Memory Module |
| Current price | $376.37 |
| Stock status | In Stock |
| Detail page | View 40U6420 › |
Alternatives to 40U6420
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.
39M5852 - IBM 4GB Kit (2 X 2GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Very Low Profile (VLP) Memory
SKU: 39M5852
Price: $71.58
40D2916 - IBM 4GB Kit (2 X 2GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory
SKU: 40D2916
Price: $164.58
73P5122 - IBM 4GB Kit (2 X 2GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM 2.5V Memory
SKU: 73P5122
Price: $164.58
39M5908 - IBM 4GB Kit (2 X 2GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory
SKU: 39M5908
Price: $164.58
73P3235 - IBM 4GB Kit (2 X 2GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory
SKU: 73P3235
Price: $164.58
39M5806 - IBM 4GB Kit (2 X 2GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory
SKU: 39M5806
Price: $164.58
39M5854 - IBM 4GB DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM 2.5V Memory Module
SKU: 39M5854
Price: $168.42
43X6016 - IBM 4GB DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory Module
SKU: 43X6016
Price: $376.37
38L5913 - IBM 4GB DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM 2.5V Dual Rank Memory Module
SKU: 38L5913
Price: $376.37
43X5008 - IBM 4GB DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM 2.5V Memory Module
SKU: 43X5008
Price: $376.37
Dataram DRI326/8GB 8GB Kit (2 X 4GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory for IBM eServer 326
SKU: DRI326-8GB
Price: $588.58
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.