Alternative to E400CM21U: Better-Value Equivalents in Stock
Comparing the E400CM21U (E400CM21U - Fujitsu 1GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Single Rank Memory Module) against alternatives? Pro Disk Network stocks 12 similar 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 E400CM21U
| SKU | E400CM21U |
|---|---|
| Product | E400CM21U - Fujitsu 1GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Single Rank Memory Module |
| Current price | $136.39 |
| Stock status | In Stock |
| Detail page | View E400CM21U › |
Alternatives to E400CM21U
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.
Dataram DRST2000/1GB 1GB Kit (2 X 512MB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Memory for Sun Sparc Enterprise T1000 Server
SKU: DRST2000-1GB
Price: $189.12
E400CM24U - Fujitsu 4GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Dual Rank Memory Module
SKU: E400CM24U
Price: $150.39
HYS72T256220HR-37-A - Qimonda 2GB DDR2 DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Dual Rank Memory Module
SKU: HYS72T256220HR-37-A
Price: $80.28
HYMP112F72CP8D3-C4 - Hynix 1GB DDR2 DDR2-533MHz PC2-4200 ECC Fully Buffered CL4 240-Pin DIMM Single Rank Memory Module
SKU: HYMP112F72CP8D3-C4
Price: $93.47
HYMP112F72CP8N3-C4 - Hynix 1GB DDR2 DDR2-533MHz PC2-4200 ECC Fully Buffered CL4 240-Pin DIMM Single Rank Memory Module
SKU: HYMP112F72CP8N3-C4
Price: $93.47
M393T2863QZ3-CD5 - Samsung 1GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Memory Module
SKU: M393T2863QZ3-CD5
Price: $69.96
M393T2950CZA-CD5 - Samsung 1GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Single Rank Memory Module
SKU: M393T2950CZA-CD5
Price: $69.96
M393T2863QZA-533 - Samsung 1GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Memory Module
SKU: M393T2863QZA-533
Price: $69.96
M393T2950BG0-CD5 - Samsung 1GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Single Rank Memory Module
SKU: M393T2950BG0-CD5
Price: $69.96
M393T2950BG3-CD5 - Samsung 1GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Single Rank Memory Module
SKU: M393T2950BG3-CD5
Price: $69.96
M393T2950BZ0-CD5 - Samsung 1GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Single Rank Memory Module
SKU: M393T2950BZ0-CD5
Price: $69.96
M393T2950CZ3-CD5 - Samsung 1GB DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Single Rank Memory Module
SKU: M393T2950CZ3-CD5
Price: $69.96
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.