MACHINST X99-K9 V5.1
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. 8 slots, up to 16 GB seen working.
It takes DDR4-2400 full-size sticks (DIMM).
- Slots
- 8 DIMM slots
- Type
- DDR4-2400 288-pin DIMM
- Most seen working
- 16 GB in the one machine reported
- Firmware says
- 128 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.
Check the drive you have.
The reports don't show this model's drive type yet. Look at the drive in it: a 2.5-inch box, about 7 by 10 cm, is SATA. A small stick is M.2, and its label says NVMe or SATA and its length (2230, 2242 or 2280).
- Drive type
- Check your current drive
How to tell a drive's type. 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 LGA2011-3 socket.
Processors in the reports: Xeon E5-2650 v4 (1). Prebuilt desktops often only take processors from the generation they shipped with, so stay with the ones listed.
- Socket
- LGA2011-3
- Seen working
- Xeon E5-2650 v4
- 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: Radeon RX 470/480/570/570X/580/580X/590 (1).
- x16 slots
- At least 2, listed by the firmware
- Seen working
- Radeon RX 470/480/570/570X/580/580X/590
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 MACHINST X99-K9 V5.1?
Yes. 8 slots, up to 16 GB seen working. It takes DDR4-2400 full-size sticks (DIMM).
What type of RAM does the MACHINST X99-K9 V5.1 use?
DDR4-2400 full-size sticks (DIMM, 288-pin).
How much RAM can the MACHINST X99-K9 V5.1 take?
Machines in the reports run up to 16 GB. The firmware reports a maximum of 128 GB, a figure that is often wrong.
What processor can I put in the MACHINST X99-K9 V5.1?
It takes processors for the LGA2011-3 socket. Processors in the reports: Xeon E5-2650 v4 (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 MACHINST X99-K9 V5.1?
It has at least 2 full-length (x16) slots for a graphics card. Cards in the reports: Radeon RX 470/480/570/570X/580/580X/590 (1).
Is this my desktop?
Check the model name on the front or the label of the case. It should read X99-K9 V5.1.