Replacement for SESX2B2Z: Drop-In Alternatives We Stock
Looking for a replacement for the SESX2B2Z (SESX2B2Z - Sun 4GB Kit (2X2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM 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 SESX2B2Z
| SKU | SESX2B2Z |
|---|---|
| Product | SESX2B2Z - Sun 4GB Kit (2X2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory |
| Current price | $228.71 |
| Stock status | In Stock |
| Detail page | View SESX2B2Z › |
Drop-in replacements for SESX2B2Z
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.
SESX2C3Z - Sun 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory for Sun Blade T6340 Server
SKU: SESX2C3Z
Price: $216.46
99L0180 - Dell 8GB Kit (2 x 4GB) Kit DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: 99L0180
Price: $243.53
540-7559 - Sun 8GB Kit (2 X 4GB) PC2-5300 DDR2-667MHz ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: 540-7559
Price: $71.58
540-7348 - Sun 8GB Kit (2 X 4GB) PC2-5300 DDR2-667MHz ECC Fully Buffered CL5 240-Pin DIMM Memory
SKU: 540-7348
Price: $89.47
X4401A - Sun 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory
SKU: X4401A
Price: $128.42
540-7347 - Sun 4GB Kit (2 X 2GB) PC2-5300 DDR2-667MHz ECC Fully Buffered CL5 240-Pin DIMM Memory
SKU: 540-7347
Price: $128.42
540-7253 - Sun 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: 540-7253
Price: $216.46
X4204A - Sun 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory for Blade T6320
SKU: X4204A
Price: $216.46
X4402A - Sun 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: X4402A
Price: $216.46
SESY2B2Z - Sun 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: SESY2B2Z
Price: $228.71
595-4783 - Sun 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: 595-4783
Price: $228.71
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.