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Technical Data Sheet

P07646-B21 — Memory Specs & Substitutes

✓ Verified by PartsTable

HP · MEMORY · RDIMM

WHAT YOU NEED TO KNOW

Memory is a hot market right now. DDR5 and DDR4 are extremely volatile with data centers driving availability to extreme lows. Always validate machine type and model. Remember: all RAM is Hynix, Samsung, or Micron underneath OEM labels — use that to find alternatives. Key checks: Check OEM alternatives — all RAM is Hynix/Samsung/Micron underneath. Double-check what you're quoting in volatile market.

HOT market — DDR5/DDR4 extremely volatile

PRODUCT OVERVIEW

HP 32GB (1X32GB) DUAL RANK X4 DDR4-3200 CAS-22-22-22 RDIMM

HP 32GB (1X32GB) DUAL RANK X4 DDR4-3200 CAS-22-22-22 RDIMM. Key specifications include Speed: DDR4-2933, Voltage: 1.2V, Capacity: 64GB, Form Factor: RDIMM. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

MEMORY→ RDIMM→ P07646-B21

SPECIFICATIONS

Speed	DDR4-2933
Voltage	1.2V
Capacity	64GB
Form Factor	RDIMM

COMPONENT DIAGRAM

KEY FEATURES

•

DDR4 Interface

•

32GB Capacity

•

DDR4 RDIMM

TYPICAL APPLICATIONS

Server memory expansion for virtualization workloads
Database performance optimization (in-memory computing)
VDI and remote desktop session hosting
High-performance computing (HPC) clusters
Mail server and collaboration platform scaling
Application server tier expansion

VERIFIED SUBSTITUTES & CROSS-REFERENCES 5

P20503-001Compatible

HP 32GB Pc4-3200AA-R ECC Reg Dr X4 Cas-22 Dimm - AMD - G10

compatible

P07646-H21Compatible

HP 32GB Pc4-3200AA-R ECC Reg Dr X4 Cas-22 Dimm - AMD - G10

compatible

P07646-K21Compatible

HP 32GB Pc4-3200AA-R ECC Reg Dr X4 Cas-22 Dimm - AMD - G10

compatible

P07646-X21Compatible

HP 32GB Pc4-3200AA-R ECC Reg Dr X4 Cas-22 Dimm - AMD - G10

compatible

P11444-191Compatible

HP 32GB Pc4-3200AA-R ECC Reg Dr X4 Cas-22 Dimm - AMD - G10

compatible

LIFECYCLE

StatusUNKNOWN

Availability—

RoHS CompliantEAR99ESD SensitiveNot HAZMAT

THIS PART SUBSTITUTES FOR 5

P07646-H21SUBSTITUTE

HP 32Gb PC4-3200AA-R ECC REG DR x4 CAS-22 DIMM - AMD - G10

HPE

P07646-K21SUBSTITUTE

HP 32Gb PC4-3200AA-R ECC REG DR x4 CAS-22 DIMM - AMD - G10

HPE

P07646-X21SUBSTITUTE

HP 32Gb PC4-3200AA-R ECC REG DR x4 CAS-22 DIMM - AMD - G10

HPE

P11444-191SUBSTITUTE

HP 32Gb PC4-3200AA-R ECC REG DR x4 CAS-22 DIMM - AMD - G10

HPE

P20503-001SUBSTITUTE

HP 32Gb PC4-3200AA-R ECC REG DR x4 CAS-22 DIMM - AMD - G10

HPE

RELATED PARTS 6

HP 4GB FULLY BUFFERED DIMM PC2-5300 2X2GB DDR2 MEMORY KIT

COMPAQ 256MB 1X256MB PC2100 ECC DIMM

COMPAQ 1GB 1X1GB PC1600 ECC DIMM

COMPAQ 512MB 1X512MB PC133 ECC DIMM

COMPAQ 128MB 1X128MB PC100 ECC DIMM

HP 4GB (1*4GB) 2RX4 PC3-10600R DDR3-1333MHZ ECC 1.5V RDIMM

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FREQUENTLY ASKED QUESTIONS

What is P07646-B21?

P07646-B21 is a HP 32GB (1x32gb) Dual Rank X4 DDR4-3200 Cas-22-22-22 RDIMM manufactured by HP. It is classified as a MEMORY (RDIMM).

What parts can replace P07646-B21?

There are 5 known substitutes for P07646-B21: P20503-001, P07646-H21, P07646-K21 and 2 more. Substitute compatibility should be verified for your specific system.

Is P07646-B21 still available?

P07646-B21 is currently Unknown.

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