Alternative to PP643AV: Better-Value Equivalents in Stock
Comparing the PP643AV (PP643AV - HP 4GB (8 x 512MB) DDR2-400MHz ECC Registered CL3 240-Pin DIMM 1.8V Memory Module) against alternatives? Pro Disk Network stocks 12 similar HP 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 PP643AV
| SKU | PP643AV |
|---|---|
| Product | PP643AV - HP 4GB (8 x 512MB) DDR2-400MHz ECC Registered CL3 240-Pin DIMM 1.8V Memory Module |
| Current price | $1,295.21 |
| Stock status | In Stock |
| Detail page | View PP643AV › |
Alternatives to PP643AV
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.
PA915AVR - HP 4GB (8 x 512MB) DDR2-400MHz ECC Registered CL3 240-Pin DIMM 1.8V Memory Module
SKU: PA915AVR
Price: $1,295.21
PP643AVR - HP 4GB (8 x 512MB) DDR2-400MHz ECC Registered CL3 240-Pin DIMM 1.8V Memory Module
SKU: PP643AVR
Price: $1,295.21
343055-4G3 - HP 4GB Kit (8 X 512MB) DDR2-400MHz PC2-3200 ECC Registered CL3 240-Pin DIMM 1.8V Memory
SKU: 343055-4G3
Price: $1,295.21
384163-B21 - HP 512MB DDR2-400MHz PC2-3200 ECC Registered CL3 240-Pin DIMM 1.8V Single Rank Memory Module
SKU: 384163-B21
Price: $71.58
413384-001 - HP 512MB DDR2-400MHz PC2-3200 ECC Registered CL3 240-Pin DIMM 1.8V Single Rank Memory Module
SKU: 413384-001
Price: $71.58
359241-001 - HP 512MB DDR2-400MHz PC2-3200 ECC Registered CL3 240-Pin DIMM 1.8V Single Rank Memory Module
SKU: 359241-001
Price: $71.58
345112-851 - HP 512MB DDR2-400MHz PC2-3200 ECC Registered CL3 240-Pin DIMM 1.8V Single Rank Memory Module
SKU: 345112-851
Price: $71.58
345112-051 - HP 512MB DDR2-400MHz PC2-3200 ECC Registered CL3 240-Pin DIMM 1.8V Single Rank Memory Module
SKU: 345112-051
Price: $71.58
343055-B21 - HP 1GB Kit (2 X 512MB) DDR2-400MHz PC2-3200 ECC Registered CL3 240-Pin DIMM 1.8V Memory
SKU: 343055-B21
Price: $71.58
381933-001 - HP 512MB DDR2-400MHz PC2-3200 ECC Registered CL3 240-Pin DIMM Single Rank Memory Module
SKU: 381933-001
Price: $118.62
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.