Alternative to 681646-001: Better-Value Equivalents in Stock
Comparing the 681646-001 (681646-001 - HP 4GB ECC Registered 240-Pin DIMM 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 681646-001
| SKU | 681646-001 |
|---|---|
| Product | 681646-001 - HP 4GB ECC Registered 240-Pin DIMM Memory Module |
| Current price | $631.45 |
| Stock status | In Stock |
| Detail page | View 681646-001 › |
Alternatives to 681646-001
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.
501534-001 - HP 4GB DDR3-1333MHz PC3-10600 ECC Registered CL9 240-Pin DIMM 1.35V Low Voltage Dual Rank Memory Module
SKU: 501534-001
Price: $71.58
682416-001 - HP 4GB DDR3-1600MHz PC3-12800 ECC Registered CL11 240-Pin DIMM 1.35V Low Voltage Single Rank Memory Module
SKU: 682416-001
Price: $71.58
432670-001 - HP 4GB DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Dual Rank Memory Module
SKU: 432670-001
Price: $71.58
606424-001 - HP 4GB DDR3-1333MHz PC3-10600 ECC Registered CL9 240-Pin DIMM 1.35V Low Voltage Single Rank Memory Module
SKU: 606424-001
Price: $71.58
504589-001 - HP 4GB DDR2-800MHz PC2-6400 ECC Registered CL6 240-Pin DIMM 1.8V Memory Module
SKU: 504589-001
Price: $71.58
595096-001 - HP 4GB DDR3-1333MHz PC3-10600 ECC Registered CL9 240-Pin DIMM 1.35V Low Voltage Single Rank Memory Module
SKU: 595096-001
Price: $71.58
501535-001 - HP 4GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM 1.35V Low Voltage Quad Rank Memory Module
SKU: 501535-001
Price: $71.58
487945-001 - HP 4GB DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Dual Rank Memory Module
SKU: 487945-001
Price: $73.68
733484-001 - HP 4GB DDR3-1866MHz PC3-14900 ECC Registered CL13 240-Pin DIMM 1.35V Low Voltage Memory Module
SKU: 733484-001
Price: $73.68
735173-001 - HP 4GB DDR3-1600MHz PC-12800 ECC Registered CL11 240-Pin DIMM Memory Module
SKU: 735173-001
Price: $87.46
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.