The Z2 G5 Tower (2020) 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.
Z2 G5 Tower Specifications
| Component | Specification |
|---|---|
| Processor | Intel Core i9-10900K / Xeon W-1200 (10th Gen) |
| Chipset | Intel C246 |
| RAM Type | DDR4-2933 non-ECC / ECC UDIMM |
| RAM Slots | 4 DIMM slots |
| Max RAM | 128 GB (4x 32GB) |
| Storage | NVMe PCIe 3.0 M.2 + SATA, 2x M.2 slots + 2x 3.5-inch SATA bays |
| Form Factor | Tower |
| Release Year | 2020 |
Z2 G5 Tower RAM Upgrade Guide
The Z2 G5 Tower supports DDR4-2933 non-ECC / ECC UDIMM across 4 DIMM slots, for a maximum of 128 GB (4x 32GB). 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.
Z2 G5 Tower Storage Upgrade Guide
The Z2 G5 Tower supports NVMe PCIe 3.0 M.2 + SATA, 2x M.2 slots + 2x 3.5-inch SATA bays. Entry workstation with dual M.2 and SATA bays. HP Z Turbo Drive support.
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
Standard desktop DDR4 UDIMMs. Tool-less side panel access. ISV-certified.
Frequently Asked Questions
What type of RAM does the Z2 G5 Tower use?
The Z2 G5 Tower uses DDR4-2933 non-ECC / ECC UDIMM across 4 DIMM slots, supporting up to 128 GB (4x 32GB).
Can I mix RAM sizes in the Z2 G5 Tower?
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 Z2 G5 Tower support?
The Z2 G5 Tower supports NVMe PCIe 3.0 M.2 + SATA, 2x M.2 slots + 2x 3.5-inch SATA bays.
Is ECC RAM required for the Z2 G5 Tower?
Yes, the Z2 G5 Tower 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.

