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Green circuit board with black memory chips and gold edge connector

HPE

HP P64336-B21 16GB DDR5 4800 CL40 1.20V 288-pin desktop RAM

SKU CH-RVQD-12NAT MPN P64336-B21

A 16GB DDR5 desktop module running at 4800 MHz with CL40 latency and 1.20V operation

  • Capacity16GB
  • SpeedDDR5 4800 (PC5 38400)
  • 16 GB single module expands desktop memory capacity
  • DDR5 4800 MT/s speed enables fast data throughput
  • CL40 latency timing supports responsive operation
  • 20 V operating voltage reduces power draw
  • 288-pin DIMM form factor fits standard desktop slots

16 GB Single-Rank DDR5 DIMM

This module provides 16 GB of DDR5 memory running at 4800 MHz with a CAS latency of CL40 and an operating voltage of 1.20 V. It uses a 288-pin unbuffered form factor and is built as a single-rank 1Rx8 configuration. The part is validated for server platforms and listed under the HP P64336-B21 part number.

Server Builders Needing 4800 MT/s Density

The stick suits administrators who need a 16 GB DDR5-4800 module at 1.20 V for compatible HPE server boards that accept unbuffered DIMMs. Workstations or desktops requiring buffered RDIMMs, lower latencies, higher speeds or multi-rank configurations should look at other parts.

CL40 Latency at 4800 MT/s

The CL40 timing at 4800 MT/s defines the access speed for this single-rank module. If the target platform demands tighter latencies or a different voltage the kit will not meet the requirement.

Highlights

  • 16 GB single module expands desktop memory capacity
  • DDR5 4800 MT/s speed enables fast data throughput
  • CL40 latency timing supports responsive operation
  • 20 V operating voltage reduces power draw
  • 288-pin DIMM form factor fits standard desktop slots

Specifications

BrandHPE
Capacity16GB
SpeedDDR5 4800 (PC5 38400)
Shipping weight1.36 kg
Package size152 × 51 × 25 mm

Questions about this item

What slot and voltage does the 288-pin DDR5 module require?

The module fits a standard 288-pin DDR5 DIMM slot and runs at 1.20 V.

Which way round does the single-rank DIMM go in and what step is often missed?

Align the off-centre notch with the slot key, press firmly until both retention clips click, and ensure the motherboard BIOS is updated for DDR5-4800 operation.

When should the 16 GB stick be replaced or checked?

Replace it if memory diagnostics report errors, if the system fails to post at 4800 MHz, or when a capacity upgrade beyond 16 GB is needed.

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