Desktop PC upgrade guide - RAM and SSD compatibility

HP Z2 G5 Tower RAM & Storage Upgrade Guide (2026)

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

ComponentSpecification
ProcessorIntel Core i9-10900K / Xeon W-1200 (10th Gen)
ChipsetIntel C246
RAM TypeDDR4-2933 non-ECC / ECC UDIMM
RAM Slots4 DIMM slots
Max RAM128 GB (4x 32GB)
StorageNVMe PCIe 3.0 M.2 + SATA, 2x M.2 slots + 2x 3.5-inch SATA bays
Form FactorTower
Release Year2020

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.

ProductWhy We Recommend ItAmazon UK
Kingston Server Premier ECCEnterprise-grade ECC memory.View on Amazon UK
Samsung ECC RDIMMOEM-quality registered modules.View on Amazon UK
Crucial ECC MemoryReliable ECC with wide compatibility.View on Amazon UK
Samsung 990 Pro NVMeFlagship NVMe for workstation use.View on Amazon UK
Samsung 870 EVO SATA SSDReliable SATA SSD for boot drives.View on Amazon UK

Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.

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