Guaranteed compatible upgrades for:

HP/Compaq ProOne Desktop 440 G4

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Crucial MX500 2TB 2.5" 7mm SATA III Internal SSD (with 7mm to 9.5mm spacer)

Crucial MX500 1TB 2.5" 7mm SATA III Internal SSD (with 7mm to 9.5mm spacer)

Crucial MX500 500GB 2.5" 7mm SATA III Internal SSD (with 7mm to 9.5mm spacer)

Crucial 16GB (1x 16GB) DDR4-2666 PC4-21300 1.2V DR x8 260-pin SODIMM RAM Module

Transcend JetRam 16GB (1x 16GB) DDR4-2666 PC4-21300 1.2V DR x8 260-pin SODIMM RAM Module

Crucial MX500 250GB 2.5" 7mm SATA III Internal SSD

Transcend JetRam 8GB (1x 8GB) DDR4-2666 PC4-21300 1.2V DR x8 260-pin SODIMM RAM Module

Crucial 8GB (1x 8GB) DDR4-2666 PC4-21300 1.2V SR x8 260-pin SODIMM RAM Module

Crucial 4GB (1x 4GB) DDR4-2666 PC4-21300 1.2V 260-pin SODIMM RAM Module

Ramcity USB3.0/2.0 USB-A to SATA 2.5-inch cloning Cable

Kingston 2.5 to 3.5" Drive Bay Bracket with screws

System Specifications

Maximum Memory:

Expansion:

Standard Memory:

CPU/Chipset:

Bus Architecture:

Flash - SDXC; SSD - SATA 2.5-inch 9.5mm; SSD - SATA 3.5-inch; USB 2.0/3.x Type-A; USB 2.0/3.x Type-C

Upgrade Path:

Virtually any configuration up to 32GB can be reached using any combination of 4, 8 and 16GB modules.