Alternative to XM643: Better-Value Equivalents in Stock
Comparing the XM643 (XM643 - Dell 2.66GHz 8MB L2 Cache 1333MHz FSB Socket LG771 Intel Xeon X5355 Quad Core Processor) against alternatives? Pro Disk Network stocks 12 similar Dell 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 XM643
| SKU | XM643 |
|---|---|
| Product | XM643 - Dell 2.66GHz 8MB L2 Cache 1333MHz FSB Socket LG771 Intel Xeon X5355 Quad Core Processor |
| Current price | $104.59 |
| Stock status | In Stock |
| Detail page | View XM643 › |
Alternatives to XM643
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.
XM459 - Dell 2.66GHz 8MB L2 Cache 1333MHz FSB LG771 Socket Intel Xeon X5355 Quad Core Processor
SKU: XM459
Price: $71.58
CU749 - Dell 2.66GHz 8MB L2 Cache 1333MHz FSB Socket LG771 Intel Xeon X5355 Quad Core Processor
SKU: CU749
Price: $71.58
UY592 - Dell 2.33GHz 8MB L2 Cache 1333MHz FSB Socket J(LG771) 65NM 80W Intel Xeon E5345 Quad Core Processor
SKU: UY592
Price: $77.75
0UY592 - Dell 2.33GHz 8MB L2 Cache 1333MHz FSB Socket J(LG771) 65NM 80W Intel Xeon E5345 Quad Core Processor
SKU: 0UY592
Price: $77.75
SLAC4D - Dell 2.66GHz 1333MHz FSB 8MB L2 Cache Socket LGA771 / PLGA771 Intel Xeon X5355 4-Core Processor
SKU: SLAC4D
Price: $82.42
RY002 - Dell 2.66GHz 1333MHz FSB 8MB L2 Cache Socket LGA771 / PLGA771 Intel Xeon X5355 4-Core Processor
SKU: RY002
Price: $82.42
0HM143 - Dell 2.66GHz 8MB L2 Cache 1333MHz FSB Socket LG771 65NM 120WATT Intel Xeon X5355 Quad Core Processor
SKU: 0HM143
Price: $82.42
TW428 - Dell 2.0GHz 1333MHz FSB 8MB L2 Cache Socket LGA771 / PLGA771 Intel Xeon E5335 4-Core Processor
SKU: TW428
Price: $82.42
MP994 - Dell 2.0GHz 1333MHz FSB 8MB L2 Cache Socket LGA771 / PLGA771 Intel Xeon E5335 4-Core Processor
SKU: MP994
Price: $82.42
PU943 - Dell 2.0GHz 1333MHz FSB 8MB L2 Cache Socket LGA771 / PLGA771 Intel Xeon E5335 4-Core Processor
SKU: PU943
Price: $82.42
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.