Alternative to CT906557: Better-Value Equivalents in Stock
Comparing the CT906557 (CT906557 - Crucial 8GB Kit (2 x 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory Upgrade for Lenovo ThinkServer TD100x (Type 4203, 4204, 4205 and 4206)) against alternatives? Pro Disk Network stocks 12 similar IBM parts that offer comparable performance at different price points. Each option below is in-stock, US-warehoused, and tested-and-certified before ship. Bulk pricing is available on quantities of 5+; B2B procurement can use Net 30 with PO.
About the CT906557
| SKU | CT906557 |
|---|---|
| Product | CT906557 - Crucial 8GB Kit (2 x 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Memory Upgrade for Lenovo ThinkServer TD100x (Type 4203, 4204, 4205 and 4206) |
| Current price | $142.07 |
| Stock status | In Stock |
| Detail page | View CT906557 › |
Alternatives to CT906557
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.
46C0519 - IBM 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Memory
SKU: 46C0519
Price: $71.58
41Y2768 - IBM 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Memory
SKU: 41Y2768
Price: $128.42
40W0191 - IBM 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Single Rank Memory
SKU: 40W0191
Price: $165.76
46C0513 - IBM 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Memory
SKU: 46C0513
Price: $175.21
49Y1371 - IBM 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM Dual Rank Memory
SKU: 49Y1371
Price: $175.21
40Y0641 - IBM 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Memory
SKU: 40Y0641
Price: $175.21
40T7980 - IBM 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Memory
SKU: 40T7980
Price: $175.21
00D4978 - IBM 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Registered CL5 240-Pin DIMM 1.8V Memory
SKU: 00D4978
Price: $175.21
40V6182 - IBM 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Quad Rank Memory
SKU: 40V6182
Price: $193.21
40V6629 - IBM 8GB Kit (2 X 4GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Quad Rank Memory
SKU: 40V6629
Price: $193.21
How we pick alternatives
Every recommendation above was selected using these criteria:
- Spec parity — capacity, speed, port count, and form factor matched within a 10% tolerance
- Price spread — alternatives shown across the price range, so you can pick on budget
- Brand mix — both OEM-equivalent and trusted aftermarket, all certified
- Reliability data — preferred parts have failure rates below 1% in our 18-month return tracking
- In stock today — shipping today, not 4-6 weeks from now
Want a side-by-side spec comparison?
We can prepare a written comparison covering throughput, power draw, form factor and validated compatibility. Email sales@prodisknetwork.com or call +1 (407) 205-8454 — most quotes ship within 4 business hours.