Alternative to 40T4158: Better-Value Equivalents in Stock
Comparing the 40T4158 (40T4158 - IBM 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Memory) 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 40T4158
| SKU | 40T4158 |
|---|---|
| Product | 40T4158 - IBM 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Memory |
| Current price | $185.83 |
| Stock status | In Stock |
| Detail page | View 40T4158 › |
Alternatives to 40T4158
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.
39M5791 - IBM 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Memory
SKU: 39M5791
Price: $89.47
39M5983 - IBM 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Memory
SKU: 39M5983
Price: $185.83
43X0614 - IBM 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Memory
SKU: 43X0614
Price: $185.83
1924-7042 - IBM Chipkill 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: 1924-7042
Price: $185.83
39R5791 - IBM Chipkill 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: 39R5791
Price: $185.83
46C4720 - IBM Chipkill 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: 46C4720
Price: $185.83
49C7419 - IBM Chipkill 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM Dual Rank Memory
SKU: 49C7419
Price: $185.83
46C7419 - IBM 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 Fully Buffered CL5 240-Pin DIMM 1.8V Memory
SKU: 46C7419
Price: $205.26
49Y3683 - IBM 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC Fully Buffered CL5 240-Pin DIMM 1.55V Low Voltage Memory
SKU: 49Y3683
Price: $207.08
40V6628 - IBM 4GB Kit (2 X 2GB) DDR2-667MHz PC2-5300 ECC CL5 Fully Buffered 240-Pin DIMM Low Voltage (LV) Memory
SKU: 40V6628
Price: $207.08
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.