HP Z640 Workstations for Sale

DZ Solutions has 26x Workstations with the below spec. Wanted to know if your company would be interested in buying these. They are unboxed and the retail on them is $2,375 and and buying price is $1,700. Looking for best offers. They have NEVER been used. 

Z640 Workstation

Each workstation includes…

• Intel Xeon E5 16074 3.1 10m 2133 4C CPU
• 4GB DDR4-2400 1x4GB 1CPU RegRAM
• 500GB 7200 RPM SATA HDD
• AMD FirePro W2100 2GB 1^st GFX
• 9.5mm Slim Supermulti DVDRW 1^st ODD
• 3 year warranty
• USB keyboard
• USB optical mouse
• Z640 925W 90% efficient chassis 
• Windows 10 Pro 64bit 
• Remote Graphics SW RGS for Z

Please respond with best offers.  Thank you!