Alternative to AA656A-ABU: Better-Value Equivalents in Stock
Comparing the AA656A-ABU (HP AA656A#ABU 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-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 AA656A-ABU
| SKU | AA656A-ABU |
|---|---|
| Product | HP AA656A#ABU 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory Module |
| Current price | $154.89 |
| Stock status | In Stock |
| Detail page | View AA656A-ABU › |
Alternatives to AA656A-ABU
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.
300700-001 - HP 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM 2.5V Memory Module
SKU: 300700-001
Price: $71.58
300678-B21 - HP 512MB Kit (2 X 256MB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory for ProLiant Servers
SKU: 300678-B21
Price: $71.58
300679-B21 - HP 1GB Kit (2 X 512MB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM 2.5V Memory
SKU: 300679-B21
Price: $71.58
261584-041 - HP 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM 2.5V Memory Module
SKU: 261584-041
Price: $71.58
AA656A - HP 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM 2.5V Memory Module
SKU: AA656A
Price: $71.58
287496-B21 - HP 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM 2.5V Memory Module
SKU: 287496-B21
Price: $71.58
A6746A - HP 2GB Kit (4 X 512MB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM 2.5V Memory
SKU: A6746A
Price: $128.42
A9909A - HP 2GB Kit (4 X 512MB) DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM 2.5V Memory
SKU: A9909A
Price: $128.42
287574-B21 - HP 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory Module
SKU: 287574-B21
Price: $147.09
284496-B21 - HP 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM Memory Module
SKU: 284496-B21
Price: $147.09
355190-001 - HP 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM 2.5V Memory Module
SKU: 355190-001
Price: $147.09
355190-003 - HP 512MB DDR-266MHz PC2100 ECC Registered CL2.5 184-Pin DIMM 2.5V Memory Module
SKU: 355190-003
Price: $147.09
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.