Replacement for 6381A: Drop-In Alternatives We Stock
Looking for a replacement for the 6381A (6381A - Sun 4GB Kit (2 X 2GB) PC2-5300 DDR2-667MHz 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 6381A
| SKU | 6381A |
|---|---|
| Product | 6381A - Sun 4GB Kit (2 X 2GB) PC2-5300 DDR2-667MHz ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory |
| Stock status | In Stock |
| Detail page | View 6381A › |
Drop-in replacements for 6381A
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.
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
Dataram DRSX2200M2/4GB 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Dual Rank Memory for Sun Ultra 40 M2 Workstation
SKU: DRSX2200M2-4GB
Price: $144.76
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
SEWX2A1Z - Sun 4GB Kit (4 X 1GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory for Sun SPARC Enterprise M3000 Server
SKU: SEWX2A1Z
Price: $394.46
596-7870 - Sun 16GB Kit (4 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Dual Rank Memory for Sun SPARC Enterprise M3000 Server
SKU: 596-7870
Price: $419.91
SEWX2C1Z06 - Sun 16GB Kit (4 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Dual Rank Memory for Sun SPARC Enterprise M3000 Server
SKU: SEWX2C1Z06
Price: $419.91
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.