HP p6620f

Desktop, from 2010 3 hardware reports
Memory
Up to 10 GB
4 full-size slots
SSD
SATA
2.5-inch drives
Power supply
Check label
Search by model
Processor
Phenom II X4 820
Most common processor
Graphics card
1 x16 slot
2 cards seen

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.

Upgradable

Yes. 4 slots, up to 10 GB seen working.

It takes DDR3-1066 full-size sticks (DIMM).

Slots
4 DIMM slots
Type
DDR3-1066 240-pin DIMM
Most seen working
10 GB in the one machine reported
Firmware says
16 GB maximum (often wrong, so we show what machines run)
How sure
1 of 1 report show this layout
See 8 GB DDR3-1066 DIMM on AmazonOpens an Amazon search for this exact spec.

Worked out from 1 hardware report of this desktop. Sources and method. Updated 10 Nov 2026.

4 full-size slots
Illustration
SSD

It takes a 2.5-inch SATA SSD.

The machines in the reports have a SATA controller. A 2.5-inch SATA SSD fits a 2.5-inch bay, or a 3.5-inch bay with an adapter bracket.

Drive type
SATA
See 2.5-inch SATA SSDs on AmazonOpens an Amazon search for 2.5-inch SATA drives.

From 3 PCI device reports. Sources and method. Updated 10 Nov 2026.

Illustration
Power supply

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
HP p6620f power supply on AmazonMatch the shape, the plugs and the watts to the supply you have.

How to read a power supply label. Sources and method. Updated 10 Nov 2026.

Illustration
Processor

Processors seen in these desktops.

Processors in the reports: Phenom II X4 820 (1). Prebuilt desktops often only take processors from the generation they shipped with, so stay with the ones listed.

Seen working
Phenom II X4 820
How sure
From 1 report

From the processor records in 1 hardware report. Sources and method. Updated 10 Nov 2026.

Illustration
Graphics card

It has a full-length (x16) slot for a graphics card.

Cards in the reports: GeForce 8400 GS (1), Radeon HD 5000/6000/7350/8350 Series (1).

x16 slots
At least 1, listed by the firmware
Seen working
GeForce 8400 GS, Radeon HD 5000/6000/7350/8350 Series
See graphics cards on AmazonCheck the card's length and power needs against your case.

From 3 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 p6620f?

Yes. 4 slots, up to 10 GB seen working. It takes DDR3-1066 full-size sticks (DIMM).

What type of RAM does the HP p6620f use?

DDR3-1066 full-size sticks (DIMM, 240-pin).

How much RAM can the HP p6620f take?

Machines in the reports run up to 10 GB. The firmware reports a maximum of 16 GB, a figure that is often wrong.

What SSD does the HP p6620f take?

It takes a 2.5-inch SATA SSD. The machines in the reports have a SATA controller. A 2.5-inch SATA SSD fits a 2.5-inch bay, or a 3.5-inch bay with an adapter bracket.

What processor can I put in the HP p6620f?

Processors seen in these desktops. Processors in the reports: Phenom II X4 820 (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 p6620f?

It has a full-length (x16) slot for a graphics card. Cards in the reports: GeForce 8400 GS (1), Radeon HD 5000/6000/7350/8350 Series (1).

Is this my desktop?

Check the model name on the front or the label of the case. It should read p6620f.

More in the HP p6620