P64984-B21 HPE 16GB DDR5-6400 ECC RDIMM 1Rx8 1.1V Compatible Memory

16GBDDR5-6400RDIMM1Rx81.1V

$ 739

🟢 19 pcs available · Lead time: 3-4 Days · Updated 1 Jun 2026
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Prices and availability may change and are confirmed on quotation.

Tier-1 Memory

Samsung, Micron & SK Hynix

Server Compatibility

Dell, HPE, Lenovo, Cisco and more

Volume Pricing

Fast response for B2B quantity requests

Technical Support

Compatibility and sourcing assistance

Overview

  • HPE does not manufacture memory.
    Their systems are qualified using modules from global tier-one manufacturers such as Samsung, Micron, and SK Hynix.
  • This module is JEDEC-compliant and spec-matched for HPE platforms
    Ensuring reliable compatibility, performance, and long-term stability.
  • Supplied as:
    HMCG78AHBRA289N SK Hynix 16GB DDR5-6400 ECC RDIMM 1Rx8 1.1V Memory.
  • Fully compatible
    Fully compatible with servers requiring P64984-B21.

P64984-B21 Specifications

Compatible OEM

HPE

Part Number

P64984-B21

Memory Size

16GB

Memory Speed

DDR5-6400

Memory Technology

DDR5

Speed

6400

Rank and Organization

1Rx8

Rank Type

Single Rank

Chip Organization

x8

Error Correction (ECC)

ECC

CAS Latency

CL52

DIMM Type

Registered

Form Factor

RDIMM

Voltage

1.1V

Pins

288

Height

STD

JEDEC Specification

PC5-51200R

Temperature

0°C to 95°C

Compatible Systems

Same-Spec Alternatives

Alternative part numbers with matching key specifications.

PicturePart NumberBrandSizeSpeedForm FactorShips InStockPrice
Samsung16GBDDR5-6400RDIMM
🟢3–4D
100

$ 848

SK Hynix16GBDDR5-6400RDIMM
🟢4–5D
100+

$ 815

SK Hynix16GBDDR5-6400RDIMM
🟢3–4D
95

$ 804

SK Hynix16GBDDR5-6400RDIMM
🟢3–4D
19

$ 739

Micron16GBDDR5-6400RDIMM
⚪Conf.
SK Hynix16GBDDR5-6400RDIMM
⚪Conf.
SK Hynix16GBDDR5-6400RDIMM
⚪Conf.
Micron16GBDDR5-6400RDIMM
🟢2–3D
12

Need help choosing between available part numbers? Contact us for pricing and availability.

Order Summary