HP Z6 G4 Workstation
Only one machine has reported its memory so far, so this answer rests on a single example. Check the label or open the panel before you buy.
Yes. 6 slots, up to 32 GB seen working.
It takes DDR4-2133 registered ECC full-size sticks (DIMM, RDIMM).
- Slots
- 6 DIMM slots
- Type
- DDR4-2133 288-pin DIMM registered ECC
- Most seen working
- 32 GB in the one machine reported
- Firmware says
- 2560 GB maximum (often wrong, so we show what machines run)
- How sure
- 1 of 1 report show this layout
Worked out from 1 hardware report of this desktop. Sources and method. Updated 10 Nov 2026.
Yes. It takes an NVMe M.2 SSD.
The slot runs at PCIe 3.0 x4, up to about 3.9 GB/s. A faster PCIe 4.0 drive works too, at that speed. M.2 drives come in 2230, 2242 and 2280 lengths (30, 42 and 80 mm). Check the length printed on your current drive before you order.
- Drive type
- NVMe (PCIe)
- Slot speed
- PCIe 3.0 x4, from 1 machine
- M.2 slots
- At least 1
- Length
- Check your current drive
- SATA ports
- 6 listed by the firmware
- How sure
- NVMe drive in 1 of 1 machines
From 1 PCI device report and the firmware's slot table. Sources and method. Updated 10 Nov 2026.
Illustration Check the label on the power supply.
We don't have this model's power supply rating. It is printed on the supply's sticker, inside the case next to its fan. Prebuilt desktops often use a supply shaped for their case, so match the shape and the plugs as well as the watts.
- Rating
- On the supply's label
How to read a power supply label. Sources and method. Updated 10 Nov 2026.
Illustration It takes processors for the LGA3647-1 socket.
Processors in the reports: Xeon Bronze 3206R (1). Prebuilt desktops often only take processors from the generation they shipped with, so stay with the ones listed.
- Socket
- LGA3647-1
- Seen working
- Xeon Bronze 3206R
- How sure
- From 1 report
From the processor records in 1 hardware report. Sources and method. Updated 10 Nov 2026.
Illustration It has at least 2 full-length (x16) slots for a graphics card.
Cards in the reports: T600 (1).
- x16 slots
- At least 2, listed by the firmware
- Seen working
- T600
From 1 PCI device reports and the firmware's slot table. Sources and method. Updated 10 Nov 2026.
Illustration Questions
Can I upgrade the RAM in the HP Z6 G4 Workstation?
Yes. 6 slots, up to 32 GB seen working. It takes DDR4-2133 registered ECC full-size sticks (DIMM, RDIMM).
What type of RAM does the HP Z6 G4 Workstation use?
DDR4-2133 full-size sticks (DIMM, 288-pin).
How much RAM can the HP Z6 G4 Workstation take?
Machines in the reports run up to 32 GB. The firmware reports a maximum of 2560 GB, a figure that is often wrong.
What SSD does the HP Z6 G4 Workstation take?
Yes. It takes an NVMe M.2 SSD. The slot runs at PCIe 3.0 x4, up to about 3.9 GB/s. A faster PCIe 4.0 drive works too, at that speed. M.2 drives come in 2230, 2242 and 2280 lengths (30, 42 and 80 mm). Check the length printed on your current drive before you order.
What processor can I put in the HP Z6 G4 Workstation?
It takes processors for the LGA3647-1 socket. Processors in the reports: Xeon Bronze 3206R (1). Prebuilt desktops often only take processors from the generation they shipped with, so stay with the ones listed.
Can I add a graphics card to the HP Z6 G4 Workstation?
It has at least 2 full-length (x16) slots for a graphics card. Cards in the reports: T600 (1).
Is this my desktop?
Check the model name on the front or the label of the case. It should read Z6 G4 Workstation.