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Four green DDR3 RDIMM modules with gold contacts and black chips

A-Tech

A-Tech 32GB Kit (4x8GB) DDR3 1600 RDIMM ECC 2Rx4 1.5V 240-Pin HP Z420 Z620 Z820

SKU CH-MSXH-AMBGW

A 32 GB DDR3 ECC registered kit of four 8 GB modules at 1600 MHz for HP Z420, Z620 and Z820 workstations

  • Capacity32GB (4 x 8GB)
  • Type240-Pin DDR3 SDRAM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.50V
  • ECCYes

Capacity 32GB (4 x 8GB)

  • 32 GB total capacity from four 8 GB modules
  • DDR3 1600 MHz speed with CL11 latency
  • ECC registered RDIMM for data integrity
  • 5 V operation on 240-pin DIMM form factor
  • Designed for HP Z420, Z620, Z820 workstations

HP Z Workstation Memory Kit

This 32GB kit contains four 8GB DDR3 RDIMM modules built for HP Z420, Z620 and Z820 workstations. Registered ECC design with 2Rx4 organisation suits professional workloads that demand data integrity and high capacity. The 240-pin form factor installs directly into the supported second-generation HP Z platforms.

Thermals Power and Noise

Passive operation with no heat spreader means zero fan noise and no additional power draw beyond the 1.5V DDR3 specification. Registered buffering reduces electrical load on the memory controller during sustained server-class tasks. Standard JEDEC voltage keeps thermal output predictable inside the original workstation chassis.

Upgrade Scope and Limits

Replaces or expands factory memory in Z420, Z620 and Z820 systems up to the 32GB kit capacity. Mixing with unbuffered ECC UDIMM modules is not supported and will prevent operation. Buyers who need more than 32GB or who run non-HP platforms should verify compatibility before purchase.

Highlights

  • 32 GB total capacity from four 8 GB modules
  • DDR3 1600 MHz speed with CL11 latency
  • ECC registered RDIMM for data integrity
  • 5 V operation on 240-pin DIMM form factor
  • Designed for HP Z420, Z620, Z820 workstations

Specifications

BrandA-Tech
Series2nd Gen. HP Z Workstation Compatible
Model32GB (4x8GB) 2Rx4 PC3-12800 RDIMM for HP Z Workstation Z420, Z620, Z820
Part NumberNE-MS-0096
Capacity32GB (4 x 8GB)
Type240-Pin DDR3 SDRAM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.50V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemHP Z Workstation Z420, Z620, Z820
OptionCompatible with HP Z Workstation Z420, Z620, Z820
FeaturesDesigned for HP Z Workstation Z420, Z620, Z820
Package ContentFour Modules

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Questions about this item

How do I install the four 240-Pin DDR3 RDIMM modules in my HP Z420, and which step is commonly missed?

Power off the workstation, open the chassis, and seat each module in the correct channel order shown in the HP service manual; the step most often missed is populating all four channels in the prescribed sequence so the registered ECC memory initialises properly.

What maintenance or replacement will this 32GB kit need over time?

The modules have no heat spreaders and no moving parts, so no routine maintenance is required; replacement is only necessary if a module fails or if you later upgrade to a higher capacity kit.

What limit appears first when the 1.5V 1600MHz RDIMM kit runs sustained workloads?

The memory controller will operate at the speed of the slowest installed module, so mixing with slower DDR3 DIMMs caps throughput at the lower rate before thermal or voltage limits are reached.

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