Replacement for 42X6309: Drop-In Alternatives We Stock
Looking for a replacement for the 42X6309 (42X6309 - IBM Lenovo 4GB Kit (2 X 2GB) DDR3-1066MHz PC3-8500 non-ECC Unbuffered CL7 204-Pin SoDimm Single Rank Memory)? Pro Disk Network ships IBM 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 42X6309
| SKU | 42X6309 |
|---|---|
| Product | 42X6309 - IBM Lenovo 4GB Kit (2 X 2GB) DDR3-1066MHz PC3-8500 non-ECC Unbuffered CL7 204-Pin SoDimm Single Rank Memory |
| Current price | $207.08 |
| Stock status | In Stock |
| Detail page | View 42X6309 › |
Drop-in replacements for 42X6309
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.
8231-4525 - IBM 4GB Kit (2 X 2GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Single Rank Memory for 710/730 (8231-E2B only)
SKU: 8231-4525
Price: $203.62
4526-8203 - IBM 8GB Kit (2 X 4GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Quad Rank Memory
SKU: 4526-8203
Price: $185.83
8205-4526 - IBM 8GB Kit (2 X 4GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Quad Rank Memory
SKU: 8205-4526
Price: $185.83
78P0554 - IBM 8GB Kit (2 X 4GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Dual Rank Memory
SKU: 78P0554
Price: $212.55
8231-4526 - IBM 8GB Kit (2 X 4GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Dual Rank Memory for 710/730 (8231-E2B)
SKU: 8231-4526
Price: $212.55
8233-4526 - IBM 8GB Kit (2 X 4GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Dual Rank Memory
SKU: 8233-4526
Price: $212.55
4526-8202 - IBM 8GB Kit (2 X 4GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Dual Rank Memory
SKU: 4526-8202
Price: $212.55
7891-8196 - IBM 8GB Kit (2 X 4GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Very Low Profile (VLP) Memory
SKU: 7891-8196
Price: $257.67
8406-8208 - IBM 8GB Kit (2 X 4GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Very Low Profile (VLP) Memory
SKU: 8406-8208
Price: $257.67
8208-8406 - IBM 8GB Kit (2 X 4GB) DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Very Low Profile (VLP) Memory
SKU: 8208-8406
Price: $257.67
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.