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Guaranteed compatible upgrades for:

HP/Compaq ProDesk Series Desktop PC 400 G1 Series SFF/MT

Samsung 870 Evo 4TB 2.5" 7mm SATA III Internal SSD

Samsung 870 Evo 4TB 2.5" 7mm SATA III Internal SSD

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WD Black 4TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive

WD Black 4TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive
Crucial MX500 2TB 2.5" 7mm SATA III Internal SSD (with 7mm to 9.5mm spacer)

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

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Seagate 2TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 7mm Laptop Internal Hard Drive

Seagate 2TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5" 7mm Laptop Internal Hard Drive
WD Blue 4TB 5400RPM 64MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive

WD Blue 4TB 5400RPM 64MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive

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WD Blue 3TB 5400RPM 64MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive

WD Blue 3TB 5400RPM 64MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive
Crucial MX500 1TB 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)
WD Blue 2TB 5400RPM 256MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive

WD Blue 2TB 5400RPM 256MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive
WD Blue 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive

WD Blue 1TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Desktop Internal Hard Drive
Crucial MX500 500GB 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)

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

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

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Crucial 8GB (1x 8GB) DDR3L-1600 PC3L-12800 1.35V / 1.5V DR x8 240-pin UDIMM RAM Module

Crucial 8GB (1x 8GB) DDR3L-1600 PC3L-12800 1.35V / 1.5V DR x8 240-pin UDIMM RAM Module

Save $19.99
Samsung 4GB (1x 4GB) DDR3-1600 PC3-12800 1.5V SR x8 240-pin UDIMM RAM Module

Samsung 4GB (1x 4GB) DDR3-1600 PC3-12800 1.5V SR x8 240-pin UDIMM RAM Module

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NewerTech AdaptaDrive 2.5" to 3.5" Drive Converter Bracket

NewerTech AdaptaDrive 2.5" to 3.5" Drive Converter Bracket

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System Specifications
Maximum Memory:
  • 16GB
Expansion:
  • 2 Sockets
Standard Memory:
  • 4GB (Removable) or
  • 6GB (Removable) or
  • 8GB (Removable)
CPU/Chipset:
  • Intel Core i7 3.4 GHz Intel H81
Bus Architecture:
  • PCI Express; SSD - SATA 2.5-inch 9.5mm; SSD - SATA 3.5-inch; USB 2.0/3.x Type-A
Mfr's System P/N's:
  • D5S21EA; E3U18UT; F4D69PA; F4Q31EA; F4Q32EA
Upgrade Path:
  • Configurations up to 16GB can be reached using 4GB and 8GB modules.