Alternative to X5278A: Better-Value Equivalents in Stock

Comparing the X5278A (X5278A - Sun 2GB Kit (2 X 1GB) DDR2-667MHz PC2-5300 ECC Unbuffered CL5 240-Pin DIMM Dual Rank Memory for Fire X2100 M2 Server) 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 X5278A

SKUX5278A
ProductX5278A - Sun 2GB Kit (2 X 1GB) DDR2-667MHz PC2-5300 ECC Unbuffered CL5 240-Pin DIMM Dual Rank Memory for Fire X2100 M2 Server
Current price$228.71
Stock statusIn Stock
Detail pageView X5278A ›

Alternatives to X5278A

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.

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.

Request a quote › B2B / Net 30 info ›