Is there a warranty on this refurbished PC ?

Hi David, yes, 1 year warranty from seller.

Questions & Answers: Refurbished: HP Workstation PC Desktop Computer | Editing and Design | NVIDIA Quadro K1200 4GB GPU | Intel Core i5 | 32GB DDR4 RAM | 1TB SSD + 4TB HDD | Wi-Fi 5G + Bluetooth

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[Content Creation Workstation PC] - Powered by the Intel Hexa-Core i5 (8th Gen) processor with 32GB DDR4 RAM and NVIDIA's Quadro K1200 4GB Graphics Card.
[NVIDIA's Quadro K1200 4GB] Graphic support built to be an efficient workstation for creative applications like photo and video editing, 3D Design, AutoCAD, and much more.
[Software Compatibility] Workstation PC for use with independent software vendors (ISV) and certified for use with modeling, rendering, and engineering software from Adobe, AutoCAD, 3DS Max, and many more.
[Massive Storage Solutions] An ultra-fast 1TB Solid State Drive (SSD) setup as the primary boot device; Boot and load programs with little to no lag; An additional 4TB Hard Disk Drive (HDD) is installed for more storage.
[Connectivity for Creative Projects] - USB 3.0 (x5) | USB 2.0 (x4) | USB Type-C (x1) | DisplayPort (x2) | Serial Port (x1) | VGA Port (x1) | Audio Combo Jack (x1) | Audio In (x1) | Audio Out (x1) | RJ-45 Ethernet (x1) | Internal SATA (x3)