Mac Pro 4,1 5,1 x5690 CPU Upgrade Kit - Zephyr's Market
Intel Xeon X5690 3.46Ghz 6C 12M 6.40Gts Socket LGA 1366 Tb Ht (SLBVX) – Mega Micro Devices Inc.
Intel BX80614X5690 - 3.46Ghz 6.40GT/s 12MB Cache LGA1366 Intel Xeon X5690 Hexa-Core CPU Processor - CPU Medics
Original CPU for Intel Xeon X5650 X5660 X5670 X5675 X5680 X5690 LGA1366 CPU Processor - Price history & Review | AliExpress Seller - computer part Store | Alitools.io
Intel Xeon X5690 3.4 GHz Six Core Twelve Thread CPU Processor 12M 130W LGA 1366|CPUs| - AliExpress