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Green rectangular circuit board with gold edge connectors and black memory chips, no heat spreader

NEMIX RAM

NEMIX RAM 8GB DDR5 4800 CL40 1Rx8 1.1V UDIMM HP Z2 G9 memory upgrade

SKU CH-JY15-CAZMN

8GB DDR5 4800 CL40 1Rx8 1.1V UDIMM compatible with HP Z2 G9 Tower Workstation

  • Total capacity8 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeUnbuffered
  • Rated voltage1.1 V
  • 8 GB capacity adds responsive multitasking headroom
  • DDR5 4800 speed feeds data to CPU faster
  • CL40 latency keeps timing tight under load
  • 1 V operation reduces power draw and heat
  • 288-pin UDIMM fits HP Z2 G9 workstation slot

HP Z2 G9 DDR5 upgrade

This 8 GB DDR5 module is built for the HP Z2 G9 Tower Workstation and runs at 4800 MHz with CL40 latency. It targets professionals who need a straightforward memory increase for supported workstations without ECC or registered buffering.

DDR5 4800 practical limits

The PC5-38400 standard delivers 4800 MT/s at 1.10 V on a 288-pin UDIMM, so bandwidth and latency are fixed by the JEDEC base specification. Systems that require ECC, registered DIMMs, or higher factory speeds will not benefit from this non-ECC unbuffered design.

Installing the UDIMM

The single-rank 1Rx8 stick fits a standard DDR5 UDIMM slot and needs no heat spreader, making physical insertion quick. Problems usually appear when the BIOS is not updated for DDR5 4800 support or when mixing with modules of different rank, voltage, or latency.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $112.99
Cheaper than about 66% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $14.12 per GB
Pricier than about 61% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineHPE Server/Workstation Compatible Series Memory
Model nameHPE DDR5 4800 MHz Non-ECC Unbuffered UDIMM
Part numberMD38400-818K1
Total capacity8 GB
Product type288-Pin DDR5 UDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsHPE
In the box
Included items8 GB (1 × 8 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

Should I pick the single 8 GB module or a matched pair for dual channel?

The module is sold as a single 8 GB stick. Adding a second identical module enables dual-channel operation on the HP Z2 G9 platform.

What does the 4800 MT/s rating deliver in daily workloads?

Rated at 4800 MT/s with CL40 latency, it runs at the native DDR5 speed the workstation expects for stable throughput.

How does the 288-pin DDR5 interface affect maximum bandwidth?

The 288-pin DDR5 UDIMM interface supports the PC5-38400 data rate, capping theoretical bandwidth at the module's rated 4800 MT/s.

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