Alternative to AB563A: Better-Value Equivalents in Stock
Comparing the AB563A (AB563A - HP 2GB Kit (4 X 512MB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Memory) 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 AB563A
| SKU | AB563A |
|---|---|
| Product | AB563A - HP 2GB Kit (4 X 512MB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Memory |
| Current price | $357.89 |
| Stock status | In Stock |
| Detail page | View AB563A › |
Alternatives to AB563A
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.
AB563-6001A - HP 2GB Kit (4 X 512MB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Memory
SKU: AB563-6001A
Price: $619.54
AB563AR - HP 2GB Kit (4 X 512MB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Memory
SKU: AB563AR
Price: $619.54
397310-B21 - HP 1GB Kit (2 X 512MB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Memory
SKU: 397310-B21
Price: $318.14
AD273A - HP 1GB Kit (2 X 512MB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Single Rank Memory
SKU: AD273A
Price: $318.14
AD342A - HP 1GB Kit (2 X 512MB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Single Rank Memory
SKU: AD342A
Price: $318.14
390824-2DM - HP 2GB Kit (4 X 512MB) DDR2-533MHz PC2-4200 ECC Unbuffered CL4 240-Pin DIMM 1.8V Memory
SKU: 390824-2DM
Price: $456.08
AB565CX - HP 8GB Kit (4 X 2GB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM Memory for Integrity RX3600/RX6600 Server
SKU: AB565CX
Price: $71.58
AB454A - HP 4GB Kit (2 X 2GB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Memory
SKU: ab454a
Price: $71.58
AD344A - HP 4GB Kit (2 X 2GB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Dual Rank Memory
SKU: AD344A
Price: $128.42
AD274A - HP 2GB Kit (2 X 1GB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Dual Rank Memory
SKU: AD274A
Price: $128.42
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.