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Four green DDR4 RDIMM modules with gold contacts on black anti-static tray

SAMSUNG

SAMSUNG 128GB (4 x 32GB) DDR4 PC4-21300 2666MHz CL19 288-Pin RDIMM memory upgrade

SKU CH-XEWW-FPEAS

128 GB DDR4 registered server kit (4 × 32 GB) at 2666 MHz CL19 for HP ProLiant Gen10 models

  • Total capacity128 GB
  • 128 GB total capacity with four 32 GB modules
  • 2666 MHz DDR4 speed for responsive server workloads
  • CL19 latency keeps timing tight under load
  • 288-pin RDIMM form factor fits Gen10 ProLiant slots
  • Registered design adds signal integrity for multi-DIMM configs

128GB DDR4 RDIMM kit for HP Gen10 servers

This kit provides 128GB of DDR4 memory across four 32GB registered DIMMs. Each module runs at 2666MHz with a CAS latency of 19 and uses the 288-pin RDIMM form factor. It is designed specifically for HP ProLiant Gen10 server platforms.

Suited for administrators upgrading listed HP

The memory is validated for DL360 Gen10, DL380 Gen10, DL160 Gen10, DL120 Gen10, ML350 Gen10 and ML150 Gen10 servers. Builders working with other server generations, desktop platforms or systems that require unbuffered DIMMs should look elsewhere.

Registered DDR4 RDIMM with CL19 timing

The modules are registered DDR4 RDIMMs operating at PC4-21300 speed with a CAS latency of 19. Systems that need unbuffered memory or a different latency profile will not be compatible with this kit.

How it compares

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

Price $596.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $4.66 per GB
Cheaper than about 81% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Total capacity128 GB

Questions about this item

Which server models must I already own for this 128GB DDR4 PC4-21300 2666MHz CL19 288-Pin RDIMM kit to work?

This registered memory kit is validated for HP ProLiant DL360 Gen10, DL380 Gen10, DL160 Gen10, DL120 Gen10, ML350 Gen10 and ML150 Gen10 servers.

Will the four 32GB DDR4 2666MHz CL19 RDIMMs run alongside older DDR4 modules I keep in the same server?

Mixing is possible if the existing modules are also registered DDR4 RDIMMs; the system will operate at the lowest common speed and latency across all populated slots.

How can I confirm the 128GB DDR4 PC4-21300 kit is running at 2666MHz CL19 after installation?

Check the server BIOS or iLO interface — it will report each DIMM as 32GB registered DDR4 at 2666MT/s with CAS latency 19.

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