NTT SYSTEM KOMPUTER NTT BUSINESS W 900M
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. 4 slots, up to 64 GB seen working.
It takes DDR5-4200 full-size sticks (DIMM).
- Slots
- 4 DIMM slots
- Type
- DDR5-4200 288-pin DIMM
- Most seen working
- 64 GB in the one machine reported
- Firmware says
- 256 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 4.0 x4, up to about 7.9 GB/s. 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 4.0 x4, from 1 machine
- Length
- Check your current drive
- SATA ports
- 8 listed by the firmware
- How sure
- NVMe drive in 1 of 1 machines
From 1 PCI device report. 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 Processors seen in these desktops.
Processors in the reports: Core i7-14700 (1). Prebuilt desktops often only take processors from the generation they shipped with, so stay with the ones listed.
- Seen working
- Core i7-14700
- How sure
- From 1 report
From the processor records in 1 hardware report. Sources and method. Updated 10 Nov 2026.
Illustration It has a full-length (x16) slot for a graphics card.
- x16 slots
- At least 1, listed by the firmware
From the firmware's slot table. Sources and method. Updated 10 Nov 2026.
Illustration Questions
Can I upgrade the RAM in the NTT SYSTEM KOMPUTER NTT BUSINESS W 900M?
Yes. 4 slots, up to 64 GB seen working. It takes DDR5-4200 full-size sticks (DIMM).
What type of RAM does the NTT SYSTEM KOMPUTER NTT BUSINESS W 900M use?
DDR5-4200 full-size sticks (DIMM, 288-pin).
How much RAM can the NTT SYSTEM KOMPUTER NTT BUSINESS W 900M take?
Machines in the reports run up to 64 GB. The firmware reports a maximum of 256 GB, a figure that is often wrong.
What SSD does the NTT SYSTEM KOMPUTER NTT BUSINESS W 900M take?
Yes. It takes an NVMe M.2 SSD. The slot runs at PCIe 4.0 x4, up to about 7.9 GB/s. 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 NTT SYSTEM KOMPUTER NTT BUSINESS W 900M?
Processors seen in these desktops. Processors in the reports: Core i7-14700 (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 NTT SYSTEM KOMPUTER NTT BUSINESS W 900M?
It has a full-length (x16) slot for a graphics card.
Is this my desktop?
Check the model name on the front or the label of the case. It should read KOMPUTER NTT BUSINESS W 900M.