HP
HP Intel Xeon Z6 G4 2X Gold 6148 Workstation (Renewed)
Dual Xeon Gold 6148 delivers 40 cores and 80 threads of scalable compute in a certified HP Z-series chassis built for sustained professional workloads.
View price on Amazon
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Description not available.
Pros & Cons
👍 Pros
- Dual Xeon Gold 6148 configuration provides 40 cores / 80 threads — a thread count that saturates multi-threaded professional applications that consumer desktop CPUs cannot match.
- ECC registered memory support eliminates single-bit memory errors, a requirement for mission-critical computation, financial modeling, and scientific simulation.
- HP Z6 G4 chassis is ISV-certified for major professional applications including AutoCAD, SolidWorks, and Adobe Creative Suite workflows.
- DDR4 memory support across 12 DIMM slots enables configurations up to 384GB, removing RAM as a limiting factor for large in-memory datasets.
- PCIe expansion architecture supports multiple professional GPU cards simultaneously, enabling GPU-accelerated compute alongside CPU workloads.
👎 Cons
- Xeon Gold 6148 cores run at 2.4GHz base, meaning lightly-threaded applications that rely on single-core clock speed will underperform compared to modern high-frequency desktop CPUs.
- As a renewed unit, the exact storage, GPU, and RAM configuration is not fully specified in the listing — buyers must confirm the as-shipped configuration before deployment.
- The Z6 G4's large tower chassis has a significant physical footprint and substantial weight, limiting placement options in constrained office or rack environments without a rack-mount conversion kit.
- Platform is several generations old (Intel Skylake-SP, 2017); PCIe 3.0 rather than PCIe 4.0/5.0 limits bandwidth to newer NVMe and GPU hardware compared to current-generation workstations.
Frequently Asked Questions
What does running two Xeon Gold 6148 processors actually mean for compute throughput?
Each Gold 6148 is a 20-core/40-thread Skylake-SP chip running at 2.4GHz base with a 3.7GHz turbo, backed by 27.5MB of L3 cache. Two of them give you 40 physical cores and 80 logical threads with a combined 55MB of L3 cache. For workloads that scale across threads — rendering, simulation, compilation, scientific computing — this is a fundamentally different tier of performance than consumer or workstation-class quad-core hardware.
How much RAM does the HP Z6 G4 support, and what type?
The Z6 G4 supports DDR4 ECC Registered (RDIMM) or Load-Reduced (LRDIMM) memory across up to 12 DIMM slots (6 channels per socket), with a theoretical maximum of 384GB. ECC memory detects and corrects single-bit errors in real time — essential for scientific, financial, and engineering workloads where data integrity is non-negotiable.
Is this a good fit for GPU compute workloads like machine learning training?
The Z6 G4's PCIe 3.0 expansion includes multiple full-length slots capable of hosting professional GPU cards. However, as a renewed unit, the specific GPU configuration will vary. The platform supports HP-certified professional GPUs, and the chassis power delivery is designed for sustained multi-GPU loads — but confirm the GPU configuration and power supply wattage of the specific unit before purchase.
What does "Renewed" mean for a workstation at this tier?
HP Renewed (or third-party refurbished) units at this class have typically been remanufactured, tested, and cleaned to functional specification. For enterprise workstations with relatively low utilization histories, renewed units often represent strong value. Verify what warranty coverage accompanies the specific listing and whether an OS license is included.
Does this platform support NVMe storage?
Yes. The Z6 G4 includes HP Z Turbo Drive support via M.2 PCIe slots, enabling NVMe SSD performance alongside traditional SATA storage bays. Combined with the platform's high-bandwidth memory subsystem, storage I/O is rarely the bottleneck in typical professional workloads on this machine.
Related Products
