Replacement for SESX2A1U: Drop-In Alternatives We Stock
Looking for a replacement for the SESX2A1U (SESX2A1U - Sun 2GB Kit (2 X 1GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory)? Pro Disk Network ships drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the SESX2A1U
| SKU | SESX2A1U |
|---|---|
| Product | SESX2A1U - Sun 2GB Kit (2 X 1GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory |
| Current price | $270.63 |
| Stock status | In Stock |
| Detail page | View SESX2A1U › |
Drop-in replacements for SESX2A1U
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.
Dataram DRSX2100M2/2GB 2GB Kit (2 X 1GB) DDR2-667MHz PC2-5300 ECC Unbuffered CL5 240-Pin DIMM Dual Rank Memory for Sun Fire X2100 M2 Server
SKU: DRSX2100M2-2GB
Price: $152.95
PNY K-SODI2GBN/5300/2-BX 2GB Kit (2 X 1GB) DDR2-667MHz PC2-5300 non-ECC Unbuffered CL4 200-Pin SoDimm Dual Rank Memory
SKU: K-SODI2GBN-5300-2-BX
Price: $169.87
541-1313 - Sun 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Dual Rank Memory for Sun Fire X4540 Server
SKU: 541-1313
Price: $216.46
X5094A - Sun 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Dual Rank Memory for Sun Blade X8440 Server
SKU: X5094A
Price: $216.46
540-7669 - Sun 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory for Sun Blade X6240 X6440 Servers
SKU: 540-7669
Price: $254.86
X4292A - Sun 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory for Sun Blade X6220 Server
SKU: X4292A
Price: $254.86
X5094AC - Sun 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Memory for Sun Blade X8440 Server
SKU: X5094AC
Price: $270.63
596-7869 - Sun 8GB Kit (4 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Dual Rank Memory for Sun SPARC Enterprise M3000 Server
SKU: 596-7869
Price: $421.53
SELX2B2P - Sun 16GB Kit (8 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory for Sun SPARC Enterprise M4000/M5000 Server
SKU: SELX2B2P
Price: $1,006.04
SEMY2B1Z - Sun 32GB Kit (16 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory for Sun SPARC Enterprise M8000/M9000
SKU: SEMY2B1Z
Price: $2,025.50
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.