Replacement for CT1266191: Drop-In Alternatives We Stock
Looking for a replacement for the CT1266191 (CT1266191 - Crucial 64GB Kit (8 x 8GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory upgrade for Intel S5400SF)? Pro Disk Network ships Intel 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 CT1266191
| SKU | CT1266191 |
|---|---|
| Product | CT1266191 - Crucial 64GB Kit (8 x 8GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory upgrade for Intel S5400SF |
| Current price | $616.03 |
| Stock status | In Stock |
| Detail page | View CT1266191 › |
Drop-in replacements for CT1266191
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.
CT1266192 - Crucial 64GB Kit (8 x 8GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory Upgrade for Intel S7000FC4UR
SKU: CT1266192
Price: $616.03
DSEB-DG - ASUS Server Board Intel 5400 Enhanced SpeedStep Technology Socket J 1600MHz, 1333MHz, 1066MHz, 667MHz FSB 64GB DDR2 SDRAM DDR2-667/PC2-5300, DDR2-533/PC2-4200, DDR2-400/PC2-3200 SSI EEB 3.61
SKU: DSEB-DG
Price: $294.74
CT749482 - Crucial 8GB Kit (2 x 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory upgrade for Intel S5400SF
SKU: CT749482
Price: $142.07
CT557144 - Crucial 8GB Kit (2 x 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory Upgrade for Intel SR1500AL
SKU: CT557144
Price: $142.07
CT2439074 - Crucial 8GB Kit (2 x 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory upgrade for Intel T5000PAL
SKU: CT2439074
Price: $142.07
CT791346 - Crucial 8GB Kit (2 x 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory Upgrade for Intel MFS5000SI Compute Module
SKU: CT791346
Price: $142.07
CT601364 - Crucial 8GB Kit (2 x 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory Upgrade for Intel SBXD132
SKU: CT601364
Price: $142.07
CT628797 - Crucial 8GB Kit (2 x 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory Upgrade for Intel SC5400RA
SKU: CT628797
Price: $142.07
CT1330846 - Crucial 8GB Kit (2 x 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory Upgrade for Intel SR1560SFHS
SKU: CT1330846
Price: $142.07
CT761537 - Crucial 8GB Kit (2 x 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory Upgrade for Intel TIGW1U
SKU: CT761537
Price: $142.07
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.