The Z4 G5 (2023) is a professional workstation with extensive upgrade potential. This guide covers RAM, storage, and compatibility details. For more HP workstation guides, visit our HP Workstations category.
Z4 G5 Specifications
| Component | Specification |
|---|---|
| Processor | Intel Xeon W-2400/3400 (Sapphire Rapids) |
| Chipset | Intel W790 |
| RAM Type | DDR5-4800 ECC RDIMM |
| RAM Slots | 8 DIMM slots |
| Max RAM | 512 GB (8x 64GB RDIMM) |
| Storage | NVMe PCIe 5.0 M.2 + SATA, 4x M.2 slots + 4x 3.5-inch bays |
| Form Factor | Tower |
| Release Year | 2023 |
Z4 G5 RAM Upgrade Guide
The Z4 G5 supports DDR5-4800 ECC RDIMM across 8 DIMM slots, for a maximum of 512 GB (8x 64GB RDIMM). This system requires ECC (Error-Correcting Code) memory for data integrity in mission-critical workloads.
Compatible RAM
- Kingston Server Premier ECC — Enterprise-grade ECC memory with proven server compatibility.
- Samsung ECC RDIMM — OEM-quality registered ECC modules used in data centres worldwide.
- Crucial ECC UDIMM/RDIMM — Reliable ECC memory with excellent compatibility across server platforms.
Z4 G5 Storage Upgrade Guide
The Z4 G5 supports NVMe PCIe 5.0 M.2 + SATA, 4x M.2 slots + 4x 3.5-inch bays. PCIe Gen5 NVMe with 4 M.2 slots. Supports up to 2 high-end professional GPUs.
Recommended Storage
- Samsung 990 Pro NVMe — Flagship NVMe with exceptional speed and endurance for workstation use.
- WD Red Pro / WD Black SN850X — High-reliability drives suited for server and workstation environments.
- Samsung 870 EVO SATA SSD — Reliable SATA SSD with excellent endurance for server boot drives.
- Seagate IronWolf / WD Red Plus — NAS-grade HDDs rated for 24/7 operation in server environments.
Upgrade Notes
Xeon W platform with 8-channel DDR5 ECC. Tool-less access. ISV-certified for CAD/DCC.
Frequently Asked Questions
What type of RAM does the Z4 G5 use?
The Z4 G5 uses DDR5-4800 ECC RDIMM across 8 DIMM slots, supporting up to 512 GB (8x 64GB RDIMM).
Can I mix RAM sizes in the Z4 G5?
While technically possible, mixing RAM sizes is not recommended for workstations. Use matched pairs or sets for optimal performance and stability.
What storage options does the Z4 G5 support?
The Z4 G5 supports NVMe PCIe 5.0 M.2 + SATA, 4x M.2 slots + 4x 3.5-inch bays.
Is ECC RAM required for the Z4 G5?
Yes, the Z4 G5 requires ECC memory for reliable operation. Non-ECC modules will not be recognised.
Recommended Products
All links go to Amazon UK where you can check current prices and availability.
| Product | Why We Recommend It | Amazon UK |
|---|---|---|
| Kingston Server Premier ECC | Enterprise-grade ECC memory. | View on Amazon UK |
| Samsung ECC RDIMM | OEM-quality registered modules. | View on Amazon UK |
| Crucial ECC Memory | Reliable ECC with wide compatibility. | View on Amazon UK |
| Samsung 990 Pro NVMe | Flagship NVMe for workstation use. | View on Amazon UK |
| Samsung 870 EVO SATA SSD | Reliable SATA SSD for boot drives. | View on Amazon UK |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.