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Memory Modules; Memory Module Specifications; Removing Memory Modules - HP ProDesk 400 G4 Maintenance And Service Manual

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Memory modules

The computer comes with at least one small outline, dual in-line memory module (SODIMM). To achieve
maximum memory support, you can populate the system board with up to 32 GB of memory.

Memory module specifications

For proper system operation, the memory modules must meet the following qualifications:
Component
Memory modules
Compliance
Pins
Support
Slots
Maximum Memory
Supported
NOTE:
The system does not operate properly if you install unsupported memory modules. Memory modules constructed with x8 and
x16 DDR devices are supported; memory modules constructed with x4 SDRAM are not supported.
HP offers upgrade memory for this computer and advises that the consumer purchase it to avoid
compatibility issues with unsupported third-party memory.

Removing memory modules

For a list of available memory modules, see
There are two memory module slots on the system board, with one slot per channel. The sockets are labeled
DIMM1 and DIMM3. The DIMM1 slot operates in memory channel B. The DIMM3 slot operates in memory
channel A.
28
Chapter 4 Removal and replacement procedures
Specification
1.2 volt DDR4-SDRAM memory modules
Unbuffered non-ECC PC4-17000 DDR4-2133 MHz-compliant
Industry-standard 260-pin containing the mandatory Joint Electronic Device Engineering
Council (JEDEC) specification
CAS latency 15 DDR4 2400 MHz (15-15-15 timing)
2
32 GB
2 Gbit, 4 Gbit, 8 Gbit, and 16 Gbit non-ECC memory technologies single-sided and double-
sided memory modules
Computer major components on page
3.

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