Because these are older parts, you will rarely find them "new-in-box" at traditional retailers. Instead, look to specialized enterprise hardware vendors or marketplace sites:
~$168.75 (Refurbished) to ~$193.75 (New) at Techbuyer US Best for Gaming: Intel Xeon E5-2667 v4 Go to product viewer dialog for this item. intel xeon e5 buy
eBay is the primary hub for individual used chips, with prices starting as low as $15–$25 for mid-range v3/v4 models. Because these are older parts, you will rarely
Stores like ServerSupply.com , Techbuyer US , and Server Superstore offer tested, certified refurbished units often with warranties. Because these are older parts
Remember that E5 v3/v4 chips require an X99 or C612 chipset motherboard (LGA 2011-3 socket). Check the stepping (SR#) if you are building a dual-socket system to ensure the CPUs match perfectly.