Alternative to 41R5578: Better-Value Equivalents in Stock
Comparing the 41R5578 (41R5578 - IBM Fan Sink Performance for ThinkStation S20 Type 4105) 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 41R5578
| SKU | 41R5578 |
|---|---|
| Product | 41R5578 - IBM Fan Sink Performance for ThinkStation S20 Type 4105 |
| Current price | $319.18 |
| Stock status | In Stock |
| Detail page | View 41R5578 › |
Alternatives to 41R5578
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.
03T8260 - IBM 2GB DDR3-1600MHz PC3-12800 ECC Registered CL11 240-Pin DIMM Dual Single Rank Module for ThinkStation S30 (type 0567 0568 0569 0606)
SKU: 03T8260
Price: $71.58
46R6022 - IBM 1GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Single Rank Memory Module for ThinkStation D20 (Type 4155)
SKU: 46R6022
Price: $85.39
53Y6195 - IBM Lenovo 1GB DDR3-1066MHz PC3-8500 ECC Unbuffered CL7 240-Pin DIMM Single Rank Memory Module for ThinkStation D20 (Type 4155)
SKU: 53Y6195
Price: $92.93
03T7857 - IBM 4GB DDR3-1600MHz PC3-12800 ECC Unbuffered CL11 240-Pin DIMM Single Rank Memory Module for ThinkStation S30 (type 0567 0568 0569 0606)
SKU: 03T7857
Price: $109.78
46R6025 - IBM 8GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Quad Rank Memory Module for ThinkStation D20 (Type 4155)
SKU: 46R6025
Price: $133.14
00D4953 - IBM 2GB DDR3-1600MHz PC3-12800 ECC Registered CL11 240-Pin DIMM Dual Single Rank Module for ThinkStation S30 (type 0567 0568 0569 0606)
SKU: 00D4953
Price: $134.53
46R6023 - Lenovo / IBM 2GB DDR3-1066MHz PC3-8500 ECC Registered CL7 240-Pin DIMM Single Rank Memory Module for ThinkStation D20 (Type 4155)
SKU: 46R6023
Price: $164.04
03T8255 - IBM Lenovo Quadro NVS 310 512MB DDR3 SDRAM Graphic Card (High Profile) for ThinkStation S30 (type 0567 0568 0569 0606)
SKU: 03T8255
Price: $222.43
43C1516 - IBM System Board (Motherboard) Socket LGA771 for ThinkStation D10 (type 6427)
SKU: 43C1516
Price: $250.53
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.