Alternative to X8021AZ: Better-Value Equivalents in Stock
Comparing the X8021AZ (X8021AZ - Sun 1GB Kit (2 X 512MB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory for Fire X4100 and X4200 Servers) 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 X8021AZ
| SKU | X8021AZ |
|---|---|
| Product | X8021AZ - Sun 1GB Kit (2 X 512MB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory for Fire X4100 and X4200 Servers |
| Current price | $250.88 |
| Stock status | In Stock |
| Detail page | View X8021AZ › |
Alternatives to X8021AZ
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.
540-6454 - Sun 1GB Kit (2 X 512MB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory for Sun Fire X4100 and X4200 Servers
SKU: 540-6454
Price: $250.88
Dataram DRSU45/1GB 1GB Kit (2 X 512MB) DDR-333MHz PC2700 ECC Registered CL2.5 184-Pin DIMM Memory for Sun Ultra 45 Sun Part x8703a
SKU: DRSU45-1GB
Price: $303.70
5406428-02 - Sun 2GB Kit (2 X 1GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory for Sun V20z V40z
SKU: 5406428-02
Price: $202.55
540-6428-01 - Sun 2GB Kit (2 X 1GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory for Sun V20z V40z
SKU: 540-6428-01
Price: $202.55
594-1677 - Sun 2GB Kit (2 X 1GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory for Sun Fire X4200
SKU: 594-1677
Price: $202.55
540-6453 - Sun 2GB Kit (2 X 1GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory for Sun Fire X4100 and X4200 Servers
SKU: 540-6453
Price: $202.55
541-2038 - Sun 2GB Kit (2 X 1GB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory for Sun Blade X8400 Server
SKU: 541-2038
Price: $202.55
540-6236 - Sun 1GB Kit (2 X 512MB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Single Rank Memory
SKU: 540-6236
Price: $250.88
540-6427-01 - Sun 1GB Kit (2 X 512MB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Memory
SKU: 540-6427-01
Price: $250.88
540-6619 - Sun 1GB Kit (2 X 512MB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Single Rank Memory
SKU: 540-6619
Price: $250.88
540-6835 - Sun 1GB Kit (2 X 512MB) DDR-400MHz PC3200 ECC Registered CL3 184-Pin DIMM Single Rank Memory
SKU: 540-6835
Price: $250.88
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.