Amazon.com: Apple Mac Pro 'Quad Core' 3.7GHz Xeon (ME253LL/A) 64GB RAM, 512GB Solid State Drive (Renewed) : Electronics
Apple Mac Pro (early-2011/Westmere) Intel Xeon X5650 X6 2.66GHz 8GB 2T – Device Refresh
Apple Mac Pro 3,1 (2008) - 2.8GHz Intel-Xeon Quad Core - 10GB Ram - OS 10.11 | eBay
Apple Mac Pro 5.1 2.8 GHz 6 CORE XEON 1 TB 16 GB RAM OSX 10.13.4 ATI 5770 WIFI | eBay
Apple Mac Pro Tower 4-Core Xeon 2.8GHz 16GB 1TB A1289 MC250LL/A Refurbished – Computechsale
Mac Pro launches in December for $3,000: 3.7GHz quad-core Xeon CPU, 12GB RAM, 256GB SSD | Engadget
Apple Mac Pro 2.8GHz 8-Core - 2.8GHz 8-Core | Sweetwater
Apple Mac Pro A1289 Intel Xeon 3.2ghz Quad Core 12gb RAM 1tb HDD for sale online | eBay
Mac Pro 1x 2.8GHz Quad-Core (Mid 2010)* | mac of all trades
Mac Pro "Quad Core" 2.93 (2009/Nehalem) Specs (Early 2009, BTO/CTO, MacPro4,1, A1289, 2314): EveryMac.com
Apple Mac Pro March 2007 2 x 3.0GHz Quad Core Intel Xeon (BTO/CTO) | eBay
Apple Mac Pro Intel Xeon Quad-Core Desktop MD770LL/A B&H Photo
Amazon.com: Apple Mac Pro 'Quad Core' 3.7GHz Xeon (ME253LL/A) 64GB RAM, 512GB Solid State Drive (Renewed) : Electronics
Refurbished Mac Pro 3.5GHz 8-core Intel Xeon W, Radeon Pro 580X - Apple
Refurbished Mac Pro Quad Core Xeon 3.7GHz ME253LL/A | Double Dex
Refurbished Mac Pro 2.5GHz 28-core Intel Xeon W, Two Radeon Pro Vega II Duo, Apple Afterburner - Apple
Apple Mac Pro (Late 2013) Quad-Core intel Xeon E5 3.7 GHz, 32GB RAM, 5 – Pc Retro Shop
Mac Pro 2009 Memory Upgrade Sale
2009 Mac Pro CPU Replacement (quad-core) - iFixit Repair Guide
Quad-Core and Eight-Core Mac Pros (2009 editions) | Macworld
Apple unveils quad-core 64-bit Mac Pro desktops | AppleInsider
Mac Pro | 2008 | Quad Core 2.8 GHz - Techable.com
