Alternative to X5866A: Better-Value Equivalents in Stock
Comparing the X5866A (X5866A - Sun 2GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM 1.35V Low Voltage Single Rank Memory Module) 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 X5866A
| SKU | X5866A |
|---|---|
| Product | X5866A - Sun 2GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM 1.35V Low Voltage Single Rank Memory Module |
| Current price | $109.18 |
| Stock status | In Stock |
| Detail page | View X5866A › |
Alternatives to X5866A
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.
542-0246 - Sun 16GB Kit (2 X 8GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Dual Rank Memory for Sun Fire X4470 Server
SKU: 542-0246
Price: $365.88
371-4282 - Sun 2GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM 1.35V Low Voltage Single Rank Memory Module
SKU: 371-4282
Price: $109.18
X4650A - Sun 2GB PC3-8500 DDR3-1066MHz ECC Registered CL7 240-Pin DIMM Single Rank Memory Module
SKU: X4650A
Price: $131.91
X8335A - Sun 2GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Single Rank Memory Module
SKU: X8335A
Price: $131.91
371-4426 - Sun 2GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Single Rank Memory Module
SKU: 371-4426
Price: $131.91
X4670A - Sun 2GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Single Rank Memory Module
SKU: X4670A
Price: $131.91
X8460A - Sun 4GB Kit (2 X 2GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Dual Rank Memory
SKU: X8460A
Price: $216.30
Dataram DRSX6270-810/2GB 2GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Dual Rank Memory Module
SKU: DRSX6270-810-2GB
Price: $76.14
Dataram DRSX6275-810/2GB 2GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Dual Rank Memory Module
SKU: DRSX6275-810-2GB
Price: $76.14
Dataram DRSX1066R2/2GB 2GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Dual Rank Memory Module
SKU: DRSX1066R2-2GB
Price: $76.14
Dataram DRSX6270-10/2GB 2GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Single Rank Memory Module
SKU: DRSX6270-10-2GB
Price: $88.21
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.